/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:00:12,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:00:12,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:00:12,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 03:00:12,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 03:00:12,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 03:00:12,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 03:00:12,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 03:00:12,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 03:00:12,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 03:00:12,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 03:00:12,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 03:00:12,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:00:12,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:00:12,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:00:12,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:00:12,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:00:12,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:00:12,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:00:12,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:00:12,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:00:12,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:00:12,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:00:12,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:00:12,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 03:00:12,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:00:12,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:00:12,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:00:12,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-15 03:00:12,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:00:12,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:00:12,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:00:12,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:00:12,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:00:12,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:00:12,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:00:12,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:00:12,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:00:12,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:00:12,501 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:00:12,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:00:12,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:00:12,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:00:12,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:00:12,717 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:00:12,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c [2022-02-15 03:00:12,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77d9ffe8/37d45b2ca4f34293af88157ca38c2b4c/FLAGa1d762561 [2022-02-15 03:00:13,226 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:00:13,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c [2022-02-15 03:00:13,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77d9ffe8/37d45b2ca4f34293af88157ca38c2b4c/FLAGa1d762561 [2022-02-15 03:00:13,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77d9ffe8/37d45b2ca4f34293af88157ca38c2b4c [2022-02-15 03:00:13,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:00:13,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:00:13,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:00:13,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:00:13,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:00:13,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:00:13" (1/1) ... [2022-02-15 03:00:13,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee6d5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:13, skipping insertion in model container [2022-02-15 03:00:13,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:00:13" (1/1) ... [2022-02-15 03:00:13,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:00:13,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:00:14,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2022-02-15 03:00:14,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:00:14,379 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:00:14,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2022-02-15 03:00:14,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:00:14,577 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:00:14,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14 WrapperNode [2022-02-15 03:00:14,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:00:14,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:00:14,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:00:14,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:00:14,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:00:14,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:00:14,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:00:14,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:00:14,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (1/1) ... [2022-02-15 03:00:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:00:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:00:14,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 03:00:14,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 03:00:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:00:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:00:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:00:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-02-15 03:00:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-02-15 03:00:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-02-15 03:00:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2022-02-15 03:00:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-02-15 03:00:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-02-15 03:00:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-02-15 03:00:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-02-15 03:00:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-02-15 03:00:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-02-15 03:00:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-15 03:00:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-15 03:00:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-02-15 03:00:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2022-02-15 03:00:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-02-15 03:00:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2022-02-15 03:00:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2022-02-15 03:00:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-02-15 03:00:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-02-15 03:00:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-02-15 03:00:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-02-15 03:00:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-15 03:00:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-02-15 03:00:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-02-15 03:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-02-15 03:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-02-15 03:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-02-15 03:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-02-15 03:00:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-15 03:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-02-15 03:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-02-15 03:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-02-15 03:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-15 03:00:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-02-15 03:00:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-15 03:00:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:00:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:00:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:00:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-02-15 03:00:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-02-15 03:00:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:00:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2022-02-15 03:00:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-02-15 03:00:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-02-15 03:00:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-02-15 03:00:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-02-15 03:00:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-02-15 03:00:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-02-15 03:00:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-02-15 03:00:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-02-15 03:00:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:00:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-02-15 03:00:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-02-15 03:00:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2022-02-15 03:00:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:00:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:00:15,552 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:00:15,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:00:15,585 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,630 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,630 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,630 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,674 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,681 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,681 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,681 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,689 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,689 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,693 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,701 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,701 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,703 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,717 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,717 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,718 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,730 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,730 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:15,730 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:15,745 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:15,746 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,404 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,408 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:16,408 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,423 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,429 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:16,429 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,430 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,440 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:16,441 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,453 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,458 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:16,458 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,473 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,476 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:16,477 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:16,480 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,496 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-02-15 03:00:16,496 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-02-15 03:00:16,598 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:16,617 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-02-15 03:00:16,617 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-02-15 03:00:18,249 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:18,257 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:18,257 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:18,269 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:18,327 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-02-15 03:00:18,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-02-15 03:00:18,366 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:18,375 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:18,375 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:18,633 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:18,636 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:18,636 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:18,638 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:18,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-02-15 03:00:18,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-02-15 03:00:25,132 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:25,183 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 03:00:25,183 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 03:00:25,212 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:25,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-15 03:00:25,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-15 03:00:25,292 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:25,309 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:25,309 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:27,776 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:00:27,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:00:27,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:00:27,956 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:00:27,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:00:27,981 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-15 03:00:27,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:00:27 BoogieIcfgContainer [2022-02-15 03:00:27,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:00:27,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:00:27,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:00:27,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:00:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:00:13" (1/3) ... [2022-02-15 03:00:27,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d8fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:00:27, skipping insertion in model container [2022-02-15 03:00:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:00:14" (2/3) ... [2022-02-15 03:00:27,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d8fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:00:27, skipping insertion in model container [2022-02-15 03:00:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:00:27" (3/3) ... [2022-02-15 03:00:27,988 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2022-02-15 03:00:27,993 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:00:27,993 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:00:28,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:00:28,026 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-15 03:00:28,026 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:00:28,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 515 states, 355 states have (on average 1.3577464788732394) internal successors, (482), 371 states have internal predecessors, (482), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) [2022-02-15 03:00:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-15 03:00:28,046 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:00:28,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:00:28,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:00:28,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:00:28,050 INFO L85 PathProgramCache]: Analyzing trace with hash 184001876, now seen corresponding path program 1 times [2022-02-15 03:00:28,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:00:28,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169480298] [2022-02-15 03:00:28,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:00:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:00:28,166 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:00:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:00:42,931 WARN L228 SmtUtils]: Spent 13.78s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:00:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:00:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:00:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:00:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:00:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:00:43,315 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:00:43,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169480298] [2022-02-15 03:00:43,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [169480298] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:00:43,316 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:00:43,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:00:43,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192170052] [2022-02-15 03:00:43,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:00:43,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:00:43,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:00:43,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:00:43,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:00:43,346 INFO L87 Difference]: Start difference. First operand has 515 states, 355 states have (on average 1.3577464788732394) internal successors, (482), 371 states have internal predecessors, (482), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-15 03:00:57,092 WARN L228 SmtUtils]: Spent 13.56s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:01:12,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:01:12,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:01:12,866 INFO L93 Difference]: Finished difference Result 851 states and 1232 transitions. [2022-02-15 03:01:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:01:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-02-15 03:01:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:01:12,887 INFO L225 Difference]: With dead ends: 851 [2022-02-15 03:01:12,888 INFO L226 Difference]: Without dead ends: 510 [2022-02-15 03:01:12,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:01:12,918 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 459 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 227 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:01:12,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 785 Invalid, 1007 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [227 Valid, 779 Invalid, 1 Unknown, 0 Unchecked, 14.7s Time] [2022-02-15 03:01:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-02-15 03:01:13,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 412. [2022-02-15 03:01:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 283 states have (on average 1.3392226148409894) internal successors, (379), 300 states have internal predecessors, (379), 91 states have call successors, (91), 39 states have call predecessors, (91), 37 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2022-02-15 03:01:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 546 transitions. [2022-02-15 03:01:13,507 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 546 transitions. Word has length 20 [2022-02-15 03:01:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:01:13,508 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 546 transitions. [2022-02-15 03:01:13,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-15 03:01:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 546 transitions. [2022-02-15 03:01:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-15 03:01:13,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:01:13,509 INFO L514 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] [2022-02-15 03:01:13,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:01:13,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:01:13,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:01:13,510 INFO L85 PathProgramCache]: Analyzing trace with hash -507357907, now seen corresponding path program 1 times [2022-02-15 03:01:13,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:01:13,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608473394] [2022-02-15 03:01:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:01:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:01:13,530 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:01:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:01:30,140 WARN L228 SmtUtils]: Spent 15.98s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:01:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:01:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:01:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:01:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:01:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:01:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:01:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:01:30,639 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:01:30,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608473394] [2022-02-15 03:01:30,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [608473394] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:01:30,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:01:30,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:01:30,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930116320] [2022-02-15 03:01:30,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:01:30,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:01:30,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:01:30,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:01:30,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:01:30,646 INFO L87 Difference]: Start difference. First operand 412 states and 546 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:01:47,031 WARN L228 SmtUtils]: Spent 16.18s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:02:04,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:06,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:08,096 INFO L93 Difference]: Finished difference Result 1079 states and 1492 transitions. [2022-02-15 03:02:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:02:08,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-02-15 03:02:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:08,102 INFO L225 Difference]: With dead ends: 1079 [2022-02-15 03:02:08,102 INFO L226 Difference]: Without dead ends: 808 [2022-02-15 03:02:08,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:02:08,104 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 1064 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 353 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:08,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1088 Valid, 971 Invalid, 1646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [353 Valid, 1291 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-02-15 03:02:08,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-02-15 03:02:08,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 653. [2022-02-15 03:02:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 458 states have (on average 1.3209606986899562) internal successors, (605), 471 states have internal predecessors, (605), 131 states have call successors, (131), 59 states have call predecessors, (131), 63 states have return successors, (151), 128 states have call predecessors, (151), 119 states have call successors, (151) [2022-02-15 03:02:09,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 887 transitions. [2022-02-15 03:02:09,004 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 887 transitions. Word has length 25 [2022-02-15 03:02:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:09,004 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 887 transitions. [2022-02-15 03:02:09,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:02:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 887 transitions. [2022-02-15 03:02:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 03:02:09,006 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:09,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:09,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:02:09,007 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:09,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1359588017, now seen corresponding path program 1 times [2022-02-15 03:02:09,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:09,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067659342] [2022-02-15 03:02:09,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:09,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:09,027 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:25,149 WARN L228 SmtUtils]: Spent 15.51s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:02:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:02:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:02:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:25,682 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:25,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067659342] [2022-02-15 03:02:25,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2067659342] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:25,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:25,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:02:25,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869182981] [2022-02-15 03:02:25,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:25,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:02:25,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:25,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:02:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:25,684 INFO L87 Difference]: Start difference. First operand 653 states and 887 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-15 03:02:41,752 WARN L228 SmtUtils]: Spent 15.92s on a formula simplification that was a NOOP. DAG size: 2034 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:02:51,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:52,009 INFO L93 Difference]: Finished difference Result 1168 states and 1630 transitions. [2022-02-15 03:02:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:02:52,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2022-02-15 03:02:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:52,015 INFO L225 Difference]: With dead ends: 1168 [2022-02-15 03:02:52,016 INFO L226 Difference]: Without dead ends: 631 [2022-02-15 03:02:52,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:02:52,019 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 759 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 264 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:52,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [776 Valid, 518 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-02-15 03:02:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2022-02-15 03:02:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 585. [2022-02-15 03:02:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 407 states have (on average 1.3120393120393121) internal successors, (534), 419 states have internal predecessors, (534), 121 states have call successors, (121), 52 states have call predecessors, (121), 56 states have return successors, (142), 119 states have call predecessors, (142), 110 states have call successors, (142) [2022-02-15 03:02:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 797 transitions. [2022-02-15 03:02:52,864 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 797 transitions. Word has length 35 [2022-02-15 03:02:52,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:52,865 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 797 transitions. [2022-02-15 03:02:52,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-15 03:02:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 797 transitions. [2022-02-15 03:02:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 03:02:52,872 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:52,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:52,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:02:52,872 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:52,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:52,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1898475047, now seen corresponding path program 1 times [2022-02-15 03:02:52,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:52,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734166535] [2022-02-15 03:02:52,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:52,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:52,895 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:09,049 WARN L228 SmtUtils]: Spent 15.63s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:03:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:03:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:03:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:09,494 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:09,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734166535] [2022-02-15 03:03:09,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1734166535] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:09,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:09,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:03:09,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321063667] [2022-02-15 03:03:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:09,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:03:09,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:03:09,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:09,500 INFO L87 Difference]: Start difference. First operand 585 states and 797 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:03:25,970 WARN L228 SmtUtils]: Spent 16.27s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:03:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:37,731 INFO L93 Difference]: Finished difference Result 680 states and 933 transitions. [2022-02-15 03:03:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:03:37,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-02-15 03:03:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:37,736 INFO L225 Difference]: With dead ends: 680 [2022-02-15 03:03:37,736 INFO L226 Difference]: Without dead ends: 676 [2022-02-15 03:03:37,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:03:37,737 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 405 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:37,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 780 Invalid, 1058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [194 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-02-15 03:03:37,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-02-15 03:03:38,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 615. [2022-02-15 03:03:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 433 states have (on average 1.3163972286374135) internal successors, (570), 443 states have internal predecessors, (570), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-02-15 03:03:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 837 transitions. [2022-02-15 03:03:38,671 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 837 transitions. Word has length 35 [2022-02-15 03:03:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:38,672 INFO L470 AbstractCegarLoop]: Abstraction has 615 states and 837 transitions. [2022-02-15 03:03:38,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:03:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 837 transitions. [2022-02-15 03:03:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-15 03:03:38,673 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:38,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:38,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:03:38,673 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash -681364259, now seen corresponding path program 1 times [2022-02-15 03:03:38,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:38,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883880269] [2022-02-15 03:03:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:03:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:38,688 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:55,629 WARN L228 SmtUtils]: Spent 16.36s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:03:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:03:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:03:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:56,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 03:03:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:56,608 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:56,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883880269] [2022-02-15 03:03:56,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [883880269] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:56,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:56,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 03:03:56,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570390090] [2022-02-15 03:03:56,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:56,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 03:03:56,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:56,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 03:03:56,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:03:56,610 INFO L87 Difference]: Start difference. First operand 615 states and 837 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:04:12,938 WARN L228 SmtUtils]: Spent 16.26s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:04:31,751 WARN L228 SmtUtils]: Spent 16.06s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:04:50,081 WARN L228 SmtUtils]: Spent 17.75s on a formula simplification that was a NOOP. DAG size: 2051 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:05:09,938 WARN L228 SmtUtils]: Spent 19.18s on a formula simplification that was a NOOP. DAG size: 2042 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:05:17,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-15 03:05:26,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:28,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:29,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:29,184 INFO L93 Difference]: Finished difference Result 1129 states and 1585 transitions. [2022-02-15 03:05:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 03:05:29,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-02-15 03:05:29,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:29,190 INFO L225 Difference]: With dead ends: 1129 [2022-02-15 03:05:29,190 INFO L226 Difference]: Without dead ends: 709 [2022-02-15 03:05:29,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 86.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:05:29,193 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 696 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 467 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:29,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 938 Invalid, 1663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [467 Valid, 1193 Invalid, 3 Unknown, 0 Unchecked, 21.0s Time] [2022-02-15 03:05:29,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-02-15 03:05:30,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 616. [2022-02-15 03:05:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 434 states have (on average 1.3156682027649769) internal successors, (571), 444 states have internal predecessors, (571), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-02-15 03:05:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 838 transitions. [2022-02-15 03:05:30,254 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 838 transitions. Word has length 38 [2022-02-15 03:05:30,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:30,254 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 838 transitions. [2022-02-15 03:05:30,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:05:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 838 transitions. [2022-02-15 03:05:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 03:05:30,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:30,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:30,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:05:30,256 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash -209874035, now seen corresponding path program 1 times [2022-02-15 03:05:30,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:30,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998465421] [2022-02-15 03:05:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:30,282 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:30,282 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:30,304 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,014 WARN L228 SmtUtils]: Spent 17.01s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:05:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:05:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:05:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 03:05:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:49,012 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:49,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998465421] [2022-02-15 03:05:49,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1998465421] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:49,012 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:49,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 03:05:49,012 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327904335] [2022-02-15 03:05:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:49,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 03:05:49,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 03:05:49,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-15 03:05:49,014 INFO L87 Difference]: Start difference. First operand 616 states and 838 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:06:06,009 WARN L228 SmtUtils]: Spent 16.90s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:06:27,341 WARN L228 SmtUtils]: Spent 17.40s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:06:45,875 WARN L228 SmtUtils]: Spent 17.91s on a formula simplification that was a NOOP. DAG size: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:07:05,288 WARN L228 SmtUtils]: Spent 18.68s on a formula simplification that was a NOOP. DAG size: 2046 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:07:23,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:25,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:28,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:07:28,079 INFO L93 Difference]: Finished difference Result 1127 states and 1582 transitions. [2022-02-15 03:07:28,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 03:07:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-02-15 03:07:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:07:28,085 INFO L225 Difference]: With dead ends: 1127 [2022-02-15 03:07:28,085 INFO L226 Difference]: Without dead ends: 710 [2022-02-15 03:07:28,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 88.9s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-02-15 03:07:28,089 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 402 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:07:28,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [425 Valid, 1124 Invalid, 1995 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [243 Valid, 1750 Invalid, 2 Unknown, 0 Unchecked, 25.6s Time] [2022-02-15 03:07:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-02-15 03:07:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 617. [2022-02-15 03:07:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 435 states have (on average 1.3149425287356322) internal successors, (572), 445 states have internal predecessors, (572), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-02-15 03:07:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 839 transitions. [2022-02-15 03:07:29,262 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 839 transitions. Word has length 39 [2022-02-15 03:07:29,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:07:29,263 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 839 transitions. [2022-02-15 03:07:29,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:07:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 839 transitions. [2022-02-15 03:07:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 03:07:29,264 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:07:29,265 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:07:29,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:07:29,265 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:07:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:07:29,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1521421021, now seen corresponding path program 2 times [2022-02-15 03:07:29,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:07:29,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034138622] [2022-02-15 03:07:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:07:29,271 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:07:29,271 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:07:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:07:29,332 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:07:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:46,249 WARN L228 SmtUtils]: Spent 16.33s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:07:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:07:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:07:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:07:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 03:07:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:07:47,321 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:07:47,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034138622] [2022-02-15 03:07:47,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1034138622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:07:47,321 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:07:47,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:07:47,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825239469] [2022-02-15 03:07:47,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:07:47,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:07:47,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:07:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:07:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:07:47,323 INFO L87 Difference]: Start difference. First operand 617 states and 839 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:08:02,883 WARN L228 SmtUtils]: Spent 15.46s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:08:22,178 WARN L228 SmtUtils]: Spent 16.15s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:08:39,815 WARN L228 SmtUtils]: Spent 16.98s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:08:57,294 WARN L228 SmtUtils]: Spent 16.89s on a formula simplification that was a NOOP. DAG size: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:09:15,020 WARN L228 SmtUtils]: Spent 16.95s on a formula simplification that was a NOOP. DAG size: 2046 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:09:30,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:32,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:34,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:09:35,695 INFO L93 Difference]: Finished difference Result 1128 states and 1583 transitions. [2022-02-15 03:09:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 03:09:35,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-02-15 03:09:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:09:35,702 INFO L225 Difference]: With dead ends: 1128 [2022-02-15 03:09:35,702 INFO L226 Difference]: Without dead ends: 711 [2022-02-15 03:09:35,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 99.9s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-02-15 03:09:35,704 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 526 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 345 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:09:35,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 1163 Invalid, 2127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 1779 Invalid, 3 Unknown, 0 Unchecked, 23.0s Time] [2022-02-15 03:09:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-02-15 03:09:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 618. [2022-02-15 03:09:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 436 states have (on average 1.3142201834862386) internal successors, (573), 446 states have internal predecessors, (573), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-02-15 03:09:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 840 transitions. [2022-02-15 03:09:37,156 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 840 transitions. Word has length 40 [2022-02-15 03:09:37,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:09:37,157 INFO L470 AbstractCegarLoop]: Abstraction has 618 states and 840 transitions. [2022-02-15 03:09:37,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:09:37,157 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 840 transitions. [2022-02-15 03:09:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 03:09:37,159 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:09:37,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:09:37,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:09:37,159 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:09:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:09:37,160 INFO L85 PathProgramCache]: Analyzing trace with hash -38251264, now seen corresponding path program 1 times [2022-02-15 03:09:37,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:09:37,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695424667] [2022-02-15 03:09:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:09:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:09:37,189 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:09:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:55,558 WARN L228 SmtUtils]: Spent 17.69s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:09:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:09:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:09:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:09:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:09:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:09:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:09:56,295 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:09:56,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695424667] [2022-02-15 03:09:56,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [695424667] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:09:56,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:09:56,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:09:56,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250923013] [2022-02-15 03:09:56,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:09:56,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:09:56,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:09:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:09:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:09:56,296 INFO L87 Difference]: Start difference. First operand 618 states and 840 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-15 03:10:12,392 WARN L228 SmtUtils]: Spent 15.98s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:10:29,131 WARN L228 SmtUtils]: Spent 16.38s on a formula simplification that was a NOOP. DAG size: 2042 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:10:45,779 WARN L228 SmtUtils]: Spent 16.13s on a formula simplification that was a NOOP. DAG size: 2043 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:11:01,381 WARN L228 SmtUtils]: Spent 15.14s on a formula simplification that was a NOOP. DAG size: 2034 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:11:39,306 WARN L228 SmtUtils]: Spent 32.20s on a formula simplification. DAG size of input: 2046 DAG size of output: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:11:57,925 WARN L228 SmtUtils]: Spent 17.34s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:12:07,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:12:08,284 INFO L93 Difference]: Finished difference Result 756 states and 1053 transitions. [2022-02-15 03:12:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 03:12:08,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-02-15 03:12:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:12:08,289 INFO L225 Difference]: With dead ends: 756 [2022-02-15 03:12:08,289 INFO L226 Difference]: Without dead ends: 746 [2022-02-15 03:12:08,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 132.5s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2022-02-15 03:12:08,290 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1018 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 490 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:12:08,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1055 Valid, 919 Invalid, 2038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [490 Valid, 1547 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2022-02-15 03:12:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-02-15 03:12:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 640. [2022-02-15 03:12:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 454 states have (on average 1.3127753303964758) internal successors, (596), 466 states have internal predecessors, (596), 123 states have call successors, (123), 55 states have call predecessors, (123), 62 states have return successors, (148), 123 states have call predecessors, (148), 112 states have call successors, (148) [2022-02-15 03:12:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 867 transitions. [2022-02-15 03:12:09,745 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 867 transitions. Word has length 39 [2022-02-15 03:12:09,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:12:09,747 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 867 transitions. [2022-02-15 03:12:09,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-15 03:12:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 867 transitions. [2022-02-15 03:12:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-15 03:12:09,748 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:12:09,749 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:12:09,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:12:09,749 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:12:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:12:09,749 INFO L85 PathProgramCache]: Analyzing trace with hash -643007091, now seen corresponding path program 3 times [2022-02-15 03:12:09,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:12:09,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693552688] [2022-02-15 03:12:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:12:09,754 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:12:09,754 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:12:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:12:09,779 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:12:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:26,508 WARN L228 SmtUtils]: Spent 16.14s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 03:12:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:12:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 03:12:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:12:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 03:12:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:12:27,584 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:12:27,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693552688] [2022-02-15 03:12:27,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [693552688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:12:27,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:12:27,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-15 03:12:27,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814335514] [2022-02-15 03:12:27,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:12:27,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 03:12:27,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:12:27,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 03:12:27,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-02-15 03:12:27,586 INFO L87 Difference]: Start difference. First operand 640 states and 867 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:12:45,097 WARN L228 SmtUtils]: Spent 17.42s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)