/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:32:39,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:32:39,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:32:39,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:32:39,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:32:39,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:32:39,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:32:39,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:32:39,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:32:39,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:32:39,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:32:39,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:32:39,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:32:39,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:32:39,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:32:39,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:32:39,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:32:39,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:32:39,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:32:39,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:32:39,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:32:39,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:32:39,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:32:39,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:32:39,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:32:39,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:32:39,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:32:39,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:32:39,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:32:39,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:32:39,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:32:39,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:32:39,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:32:39,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:32:39,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:32:39,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:32:39,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:32:39,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:32:39,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:32:39,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:32:39,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:32:39,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:32:39,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:32:39,431 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:32:39,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:32:39,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:32:39,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:32:39,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:32:39,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:32:39,684 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:32:39,685 INFO L432 ainManager$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 04:32:39,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f992f114/1a9e5ef635e94aec80cbb8dee276c757/FLAGf1dfd9cc9 [2022-02-15 04:32:40,457 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:32:40,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c [2022-02-15 04:32:40,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f992f114/1a9e5ef635e94aec80cbb8dee276c757/FLAGf1dfd9cc9 [2022-02-15 04:32:40,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f992f114/1a9e5ef635e94aec80cbb8dee276c757 [2022-02-15 04:32:40,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:32:40,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:32:40,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:32:40,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:32:40,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:32:40,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:32:40" (1/1) ... [2022-02-15 04:32:40,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a79a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:40, skipping insertion in model container [2022-02-15 04:32:40,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:32:40" (1/1) ... [2022-02-15 04:32:40,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:32:40,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:32:41,330 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 04:32:41,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:32:41,619 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:32:41,727 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 04:32:41,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:32:41,958 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:32:41,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41 WrapperNode [2022-02-15 04:32:41,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:32:41,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:32:41,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:32:41,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:32:41,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:41,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:32:42,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:32:42,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:32:42,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:32:42,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (1/1) ... [2022-02-15 04:32:42,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:32:42,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:32:42,280 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 04:32:42,288 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 04:32:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-02-15 04:32:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-15 04:32:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-02-15 04:32:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2022-02-15 04:32:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2022-02-15 04:32:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2022-02-15 04:32:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-02-15 04:32:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-15 04:32:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 04:32:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-15 04:32:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-02-15 04:32:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-15 04:32:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-02-15 04:32:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-02-15 04:32:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-02-15 04:32:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-15 04:32:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-02-15 04:32:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-02-15 04:32:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-02-15 04:32:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-02-15 04:32:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-02-15 04:32:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 04:32:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-02-15 04:32:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:32:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:32:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-02-15 04:32:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:32:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-02-15 04:32:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-02-15 04:32:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-02-15 04:32:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-15 04:32:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-02-15 04:32:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-02-15 04:32:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-02-15 04:32:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-02-15 04:32:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-02-15 04:32:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-02-15 04:32:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-02-15 04:32:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-02-15 04:32:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-02-15 04:32:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-02-15 04:32:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-02-15 04:32:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-02-15 04:32:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-15 04:32:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:32:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-02-15 04:32:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2022-02-15 04:32:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-15 04:32:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 04:32:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 04:32:43,057 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:32:43,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:32:43,091 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,138 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,138 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,139 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,150 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,150 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,185 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,194 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,208 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,213 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,224 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,224 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,226 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,236 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,236 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,236 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,250 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,250 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,251 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,271 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,272 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,703 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,708 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,708 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,724 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,729 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,729 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,729 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,737 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,748 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,755 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,756 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,769 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,774 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:43,774 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:43,778 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,789 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-02-15 04:32:43,789 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-02-15 04:32:43,885 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:43,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-02-15 04:32:43,907 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-02-15 04:32:46,413 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:46,425 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:46,425 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:46,439 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:46,515 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-02-15 04:32:46,515 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-02-15 04:32:46,567 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:46,576 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:46,576 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:46,732 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:46,737 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:46,737 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:46,740 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:46,750 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-02-15 04:32:46,750 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-02-15 04:32:53,529 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:53,621 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 04:32:53,621 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 04:32:53,663 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:53,695 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-15 04:32:53,695 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-15 04:32:53,749 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:53,767 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:53,767 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:56,394 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:32:56,411 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 04:32:56,411 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 04:32:56,588 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:32:56,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:32:56,601 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-15 04:32:56,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:32:56 BoogieIcfgContainer [2022-02-15 04:32:56,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:32:56,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:32:56,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:32:56,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:32:56,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:32:40" (1/3) ... [2022-02-15 04:32:56,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddb7aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:32:56, skipping insertion in model container [2022-02-15 04:32:56,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:32:41" (2/3) ... [2022-02-15 04:32:56,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddb7aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:32:56, skipping insertion in model container [2022-02-15 04:32:56,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:32:56" (3/3) ... [2022-02-15 04:32:56,610 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2022-02-15 04:32:56,614 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:32:56,614 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:32:56,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:32:56,656 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=QVASR [2022-02-15 04:32:56,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:32:56,690 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 04:32:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-15 04:32:56,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:32:56,697 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 04:32:56,697 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:32:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:32:56,701 INFO L85 PathProgramCache]: Analyzing trace with hash 184001876, now seen corresponding path program 1 times [2022-02-15 04:32:56,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:32:56,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985934890] [2022-02-15 04:32:56,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:32:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:32:56,797 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:32:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:13,327 WARN L228 SmtUtils]: Spent 15.29s 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 04:33:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:33:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:33:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:13,815 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 04:33:13,817 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:33:13,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985934890] [2022-02-15 04:33:13,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1985934890] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:33:13,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:33:13,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:33:13,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738707007] [2022-02-15 04:33:13,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:33:13,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:33:13,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:33:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:33:13,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:33:13,855 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 04:33:29,222 WARN L228 SmtUtils]: Spent 15.12s 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 04:33:42,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:33:42,150 INFO L93 Difference]: Finished difference Result 851 states and 1232 transitions. [2022-02-15 04:33:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:33:42,153 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 04:33:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:33:42,167 INFO L225 Difference]: With dead ends: 851 [2022-02-15 04:33:42,167 INFO L226 Difference]: Without dead ends: 510 [2022-02-15 04:33:42,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:33:42,176 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 459 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:33:42,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 785 Invalid, 1007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [227 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-02-15 04:33:42,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-02-15 04:33:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 412. [2022-02-15 04:33:42,705 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 04:33:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 546 transitions. [2022-02-15 04:33:42,710 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 546 transitions. Word has length 20 [2022-02-15 04:33:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:33:42,710 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 546 transitions. [2022-02-15 04:33:42,710 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 04:33:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 546 transitions. [2022-02-15 04:33:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-15 04:33:42,712 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:33:42,712 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 04:33:42,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:33:42,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:33:42,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:33:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash -507357907, now seen corresponding path program 1 times [2022-02-15 04:33:42,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:33:42,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428633194] [2022-02-15 04:33:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:33:42,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:33:42,729 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:33:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:58,437 WARN L228 SmtUtils]: Spent 15.02s 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 04:33:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:33:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:33:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:33:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:33:58,997 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 04:33:58,997 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:33:58,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428633194] [2022-02-15 04:33:58,998 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1428633194] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:33:58,998 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:33:58,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 04:33:59,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493240131] [2022-02-15 04:33:59,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:33:59,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 04:33:59,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:33:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 04:33:59,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:33:59,004 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 04:34:14,119 WARN L228 SmtUtils]: Spent 14.88s 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 04:34:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:34:29,787 INFO L93 Difference]: Finished difference Result 1079 states and 1492 transitions. [2022-02-15 04:34:29,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:34:29,787 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 04:34:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:34:29,799 INFO L225 Difference]: With dead ends: 1079 [2022-02-15 04:34:29,799 INFO L226 Difference]: Without dead ends: 808 [2022-02-15 04:34:29,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 04:34:29,801 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 1064 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:34:29,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1088 Valid, 971 Invalid, 1648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [353 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-02-15 04:34:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-02-15 04:34:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 653. [2022-02-15 04:34:30,675 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 04:34:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 887 transitions. [2022-02-15 04:34:30,681 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 887 transitions. Word has length 25 [2022-02-15 04:34:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:34:30,682 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 887 transitions. [2022-02-15 04:34:30,682 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 04:34:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 887 transitions. [2022-02-15 04:34:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 04:34:30,685 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:34:30,685 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 04:34:30,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:34:30,686 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:34:30,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:34:30,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1359588017, now seen corresponding path program 1 times [2022-02-15 04:34:30,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:34:30,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213518237] [2022-02-15 04:34:30,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:34:30,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:34:30,702 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:34:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:34:46,129 WARN L228 SmtUtils]: Spent 14.78s 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 04:34:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:34:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:34:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:34:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:34:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:34:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:34:46,820 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 04:34:46,820 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:34:46,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213518237] [2022-02-15 04:34:46,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1213518237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:34:46,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:34:46,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 04:34:46,823 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995008843] [2022-02-15 04:34:46,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:34:46,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 04:34:46,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:34:46,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 04:34:46,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:34:46,826 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 04:35:01,881 WARN L228 SmtUtils]: Spent 14.88s 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 04:35:08,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:35:08,763 INFO L93 Difference]: Finished difference Result 1168 states and 1630 transitions. [2022-02-15 04:35:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 04:35:08,764 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 04:35:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:35:08,768 INFO L225 Difference]: With dead ends: 1168 [2022-02-15 04:35:08,768 INFO L226 Difference]: Without dead ends: 631 [2022-02-15 04:35:08,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 04:35:08,772 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 759 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:35:08,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [776 Valid, 518 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-02-15 04:35:08,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2022-02-15 04:35:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 585. [2022-02-15 04:35:09,475 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 04:35:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 797 transitions. [2022-02-15 04:35:09,478 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 797 transitions. Word has length 35 [2022-02-15 04:35:09,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:35:09,479 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 797 transitions. [2022-02-15 04:35:09,479 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 04:35:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 797 transitions. [2022-02-15 04:35:09,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 04:35:09,481 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:35:09,481 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 04:35:09,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 04:35:09,481 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:35:09,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:35:09,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1898475047, now seen corresponding path program 1 times [2022-02-15 04:35:09,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:35:09,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587386701] [2022-02-15 04:35:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:35:09,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:35:09,498 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:35:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:35:25,034 WARN L228 SmtUtils]: Spent 14.99s 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 04:35:25,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:35:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:35:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:35:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:35:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:35:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:35:25,536 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 04:35:25,537 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:35:25,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587386701] [2022-02-15 04:35:25,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [587386701] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:35:25,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:35:25,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 04:35:25,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798701352] [2022-02-15 04:35:25,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:35:25,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 04:35:25,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:35:25,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 04:35:25,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:35:25,540 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 04:35:40,540 WARN L228 SmtUtils]: Spent 14.78s 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 04:35:52,161 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 04:35:54,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:35:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:35:55,094 INFO L93 Difference]: Finished difference Result 680 states and 933 transitions. [2022-02-15 04:35:55,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:35:55,095 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 04:35:55,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:35:55,099 INFO L225 Difference]: With dead ends: 680 [2022-02-15 04:35:55,099 INFO L226 Difference]: Without dead ends: 676 [2022-02-15 04:35:55,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 04:35:55,100 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 405 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 194 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:35:55,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 780 Invalid, 1058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [194 Valid, 862 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2022-02-15 04:35:55,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-02-15 04:35:56,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 615. [2022-02-15 04:35:56,044 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 04:35:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 837 transitions. [2022-02-15 04:35:56,048 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 837 transitions. Word has length 35 [2022-02-15 04:35:56,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:35:56,048 INFO L470 AbstractCegarLoop]: Abstraction has 615 states and 837 transitions. [2022-02-15 04:35:56,048 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 04:35:56,048 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 837 transitions. [2022-02-15 04:35:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-15 04:35:56,050 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:35:56,050 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 04:35:56,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 04:35:56,050 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:35:56,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:35:56,051 INFO L85 PathProgramCache]: Analyzing trace with hash -681364259, now seen corresponding path program 1 times [2022-02-15 04:35:56,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:35:56,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192896354] [2022-02-15 04:35:56,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:35:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:35:56,069 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:35:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:36:11,618 WARN L228 SmtUtils]: Spent 14.86s 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 04:36:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:36:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:36:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:36:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:36:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:36:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:36:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 04:36:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:36:12,374 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 04:36:12,374 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:36:12,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192896354] [2022-02-15 04:36:12,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1192896354] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:36:12,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:36:12,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 04:36:12,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760593737] [2022-02-15 04:36:12,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:36:12,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 04:36:12,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:36:12,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 04:36:12,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-15 04:36:12,376 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 04:36:27,467 WARN L228 SmtUtils]: Spent 15.02s 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 04:36:44,833 WARN L228 SmtUtils]: Spent 14.95s 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 04:37:00,801 WARN L228 SmtUtils]: Spent 15.49s 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 04:37:16,727 WARN L228 SmtUtils]: Spent 15.47s 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 04:37:29,428 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 04:37:31,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:37:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:37:32,268 INFO L93 Difference]: Finished difference Result 1129 states and 1585 transitions. [2022-02-15 04:37:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 04:37:32,270 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 04:37:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:37:32,275 INFO L225 Difference]: With dead ends: 1129 [2022-02-15 04:37:32,275 INFO L226 Difference]: Without dead ends: 709 [2022-02-15 04:37:32,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 76.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-15 04:37:32,277 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 696 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 467 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:37:32,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 938 Invalid, 1663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [467 Valid, 1194 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-02-15 04:37:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-02-15 04:37:33,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 616. [2022-02-15 04:37:33,293 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 04:37:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 838 transitions. [2022-02-15 04:37:33,296 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 838 transitions. Word has length 38 [2022-02-15 04:37:33,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:37:33,296 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 838 transitions. [2022-02-15 04:37:33,296 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 04:37:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 838 transitions. [2022-02-15 04:37:33,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:37:33,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:37:33,298 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 04:37:33,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 04:37:33,298 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:37:33,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:37:33,298 INFO L85 PathProgramCache]: Analyzing trace with hash -209874035, now seen corresponding path program 1 times [2022-02-15 04:37:33,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:37:33,299 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192389886] [2022-02-15 04:37:33,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:37:33,317 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:37:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:37:33,342 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:37:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:37:49,060 WARN L228 SmtUtils]: Spent 15.13s 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 04:37:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:37:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:37:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:37:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:37:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:37:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:37:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 04:37:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:37:50,004 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 04:37:50,004 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:37:50,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192389886] [2022-02-15 04:37:50,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1192389886] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:37:50,004 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:37:50,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 04:37:50,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628573458] [2022-02-15 04:37:50,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:37:50,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 04:37:50,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:37:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 04:37:50,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:37:50,006 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 04:38:04,763 WARN L228 SmtUtils]: Spent 14.68s 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 04:38:23,011 WARN L228 SmtUtils]: Spent 15.01s 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 04:38:38,201 WARN L228 SmtUtils]: Spent 14.72s 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 04:38:53,665 WARN L228 SmtUtils]: Spent 14.91s 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 04:39:01,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-15 04:39:04,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-02-15 04:39:13,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:13,275 INFO L93 Difference]: Finished difference Result 1127 states and 1582 transitions. [2022-02-15 04:39:13,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 04:39:13,276 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 04:39:13,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:13,280 INFO L225 Difference]: With dead ends: 1127 [2022-02-15 04:39:13,280 INFO L226 Difference]: Without dead ends: 710 [2022-02-15 04:39:13,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 75.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-02-15 04:39:13,283 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 402 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 243 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:13,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [425 Valid, 1124 Invalid, 1996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [243 Valid, 1752 Invalid, 1 Unknown, 0 Unchecked, 21.8s Time] [2022-02-15 04:39:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-02-15 04:39:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 617. [2022-02-15 04:39:14,373 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 04:39:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 839 transitions. [2022-02-15 04:39:14,377 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 839 transitions. Word has length 39 [2022-02-15 04:39:14,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:14,377 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 839 transitions. [2022-02-15 04:39:14,377 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 04:39:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 839 transitions. [2022-02-15 04:39:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 04:39:14,378 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:14,378 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 04:39:14,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 04:39:14,379 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1521421021, now seen corresponding path program 2 times [2022-02-15 04:39:14,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:14,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099784330] [2022-02-15 04:39:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:14,383 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:14,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:14,401 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:30,010 WARN L228 SmtUtils]: Spent 14.96s 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 04:39:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:39:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:39:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 04:39:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:31,036 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 04:39:31,036 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:31,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099784330] [2022-02-15 04:39:31,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2099784330] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:31,037 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:31,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 04:39:31,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513629261] [2022-02-15 04:39:31,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:31,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 04:39:31,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:31,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 04:39:31,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-15 04:39:31,038 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 04:39:45,876 WARN L228 SmtUtils]: Spent 14.75s 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 04:40:03,396 WARN L228 SmtUtils]: Spent 14.81s 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 04:40:18,568 WARN L228 SmtUtils]: Spent 14.72s 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 04:40:34,043 WARN L228 SmtUtils]: Spent 14.92s 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 04:40:49,622 WARN L228 SmtUtils]: Spent 15.03s 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 04:41:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:41:00,907 INFO L93 Difference]: Finished difference Result 1128 states and 1583 transitions. [2022-02-15 04:41:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 04:41:00,908 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 04:41:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:41:00,912 INFO L225 Difference]: With dead ends: 1128 [2022-02-15 04:41:00,912 INFO L226 Difference]: Without dead ends: 711 [2022-02-15 04:41:00,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 90.3s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-02-15 04:41:00,914 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 526 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:41:00,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 1163 Invalid, 2127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-02-15 04:41:00,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-02-15 04:41:02,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 618. [2022-02-15 04:41:02,202 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 04:41:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 840 transitions. [2022-02-15 04:41:02,206 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 840 transitions. Word has length 40 [2022-02-15 04:41:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:41:02,207 INFO L470 AbstractCegarLoop]: Abstraction has 618 states and 840 transitions. [2022-02-15 04:41:02,207 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 04:41:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 840 transitions. [2022-02-15 04:41:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:41:02,209 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:41:02,209 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 04:41:02,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 04:41:02,210 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:41:02,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:41:02,210 INFO L85 PathProgramCache]: Analyzing trace with hash -38251264, now seen corresponding path program 1 times [2022-02-15 04:41:02,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:41:02,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829480268] [2022-02-15 04:41:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:02,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:02,235 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:17,496 WARN L228 SmtUtils]: Spent 14.69s 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 04:41:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:41:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:41:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:41:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 04:41:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 04:41:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:18,234 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 04:41:18,234 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:41:18,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829480268] [2022-02-15 04:41:18,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1829480268] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:41:18,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:41:18,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 04:41:18,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541194213] [2022-02-15 04:41:18,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:41:18,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 04:41:18,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:41:18,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 04:41:18,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 04:41:18,236 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 04:41:33,155 WARN L228 SmtUtils]: Spent 14.83s 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 04:41:48,271 WARN L228 SmtUtils]: Spent 14.84s 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 04:42:03,402 WARN L228 SmtUtils]: Spent 14.80s 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 04:42:18,463 WARN L228 SmtUtils]: Spent 14.67s 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 04:42:53,436 WARN L228 SmtUtils]: Spent 29.50s 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 04:43:09,426 WARN L228 SmtUtils]: Spent 14.87s 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 04:43:18,567 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 04:43:19,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:43:19,461 INFO L93 Difference]: Finished difference Result 756 states and 1053 transitions. [2022-02-15 04:43:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 04:43:19,462 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 04:43:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:43:19,466 INFO L225 Difference]: With dead ends: 756 [2022-02-15 04:43:19,466 INFO L226 Difference]: Without dead ends: 746 [2022-02-15 04:43:19,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 119.6s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2022-02-15 04:43:19,467 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1018 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 490 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:43:19,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1055 Valid, 918 Invalid, 2038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [490 Valid, 1547 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-02-15 04:43:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-02-15 04:43:20,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 640. [2022-02-15 04:43:20,865 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 04:43:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 867 transitions. [2022-02-15 04:43:20,868 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 867 transitions. Word has length 39 [2022-02-15 04:43:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:43:20,868 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 867 transitions. [2022-02-15 04:43:20,868 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 04:43:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 867 transitions. [2022-02-15 04:43:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-15 04:43:20,869 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:43:20,869 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 04:43:20,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 04:43:20,870 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:43:20,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:43:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash -643007091, now seen corresponding path program 3 times [2022-02-15 04:43:20,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:43:20,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980617981] [2022-02-15 04:43:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:43:20,874 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:43:20,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:43:20,898 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:43:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:43:36,282 WARN L228 SmtUtils]: Spent 14.75s 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 04:43:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:43:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:43:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-15 04:43:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:43:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 04:43:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:43:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-15 04:43:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:43:37,351 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 04:43:37,351 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:43:37,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980617981] [2022-02-15 04:43:37,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [980617981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:43:37,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:43:37,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-15 04:43:37,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463496868] [2022-02-15 04:43:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:43:37,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 04:43:37,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:43:37,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 04:43:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-02-15 04:43:37,352 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 04:43:52,298 WARN L228 SmtUtils]: Spent 14.85s 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 04:44:10,686 WARN L228 SmtUtils]: Spent 15.02s 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 04:44:25,827 WARN L228 SmtUtils]: Spent 14.60s 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)