/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/parport.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 04:37:44,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 04:37:44,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 04:37:44,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 04:37:44,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 04:37:44,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 04:37:44,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 04:37:44,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 04:37:44,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 04:37:44,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 04:37:44,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 04:37:44,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 04:37:44,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 04:37:44,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 04:37:44,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 04:37:44,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 04:37:44,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 04:37:44,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 04:37:44,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 04:37:44,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 04:37:44,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 04:37:44,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 04:37:44,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 04:37:44,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 04:37:44,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 04:37:44,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 04:37:44,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 04:37:44,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 04:37:44,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-24 04:37:44,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 04:37:44,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 04:37:44,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 04:37:44,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 04:37:44,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 04:37:44,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 04:37:44,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 04:37:44,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 04:37:44,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 04:37:44,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 04:37:44,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 04:37:44,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 04:37:44,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 04:37:44,547 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-24 04:37:44,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 04:37:44,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 04:37:44,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 04:37:44,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 04:37:44,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 04:37:44,763 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 04:37:44,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-02-24 04:37:44,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e56da7a/8096295573204572abb106d141193f2c/FLAG870488df5 [2022-02-24 04:37:45,415 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 04:37:45,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-02-24 04:37:45,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e56da7a/8096295573204572abb106d141193f2c/FLAG870488df5 [2022-02-24 04:37:45,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e56da7a/8096295573204572abb106d141193f2c [2022-02-24 04:37:45,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 04:37:45,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 04:37:45,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 04:37:45,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 04:37:45,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 04:37:45,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:37:45" (1/1) ... [2022-02-24 04:37:45,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bf0f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:45, skipping insertion in model container [2022-02-24 04:37:45,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:37:45" (1/1) ... [2022-02-24 04:37:45,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 04:37:45,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 04:37:46,343 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/parport.i.cil-2.c[86591,86604] [2022-02-24 04:37:46,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 04:37:46,911 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 04:37:46,969 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/parport.i.cil-2.c[86591,86604] [2022-02-24 04:37:47,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 04:37:47,217 INFO L208 MainTranslator]: Completed translation [2022-02-24 04:37:47,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47 WrapperNode [2022-02-24 04:37:47,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 04:37:47,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 04:37:47,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 04:37:47,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 04:37:47,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 04:37:47,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 04:37:47,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 04:37:47,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 04:37:47,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (1/1) ... [2022-02-24 04:37:47,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 04:37:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 04:37:47,518 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) [2022-02-24 04:37:47,534 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 [2022-02-24 04:37:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~TO~VOID [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlIntegerToUnicodeString [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlUnicodeStringToInteger [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAppendUnicodeStringToString [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2022-02-24 04:37:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2022-02-24 04:37:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-02-24 04:37:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-02-24 04:37:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-02-24 04:37:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeDpc [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInsertQueueDpc [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireCancelSpinLock [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoConnectInterrupt [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoInitializeRemoveLockEx [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockEx [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockAndWaitEx [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-02-24 04:37:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfReferenceObject [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwQueryValueKey [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwSetValueKey [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpPnpIrpInfo [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLockAndWait [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceList [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2022-02-24 04:37:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptUnload [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCleanRemovalRelationsList [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAddPptRemovalRelation [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRemovePptRemovalRelation [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpPptRemovalRelationsStruct [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchInternalDeviceControl [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCreate [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchClose [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2022-02-24 04:37:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfNon1284_3Present [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStl1284_3 [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStlProductId [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectChipFilter [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortType [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortCapabilities [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfUserRequested [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2022-02-24 04:37:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetChipMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearChipMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckByteMode [2022-02-24 04:37:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFindNatChip [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildResourceList [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBuildRemovalRelations [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanPciCardCmResourceList [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsPci [2022-02-24 04:37:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpInitDispatchFunctionTable [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpAddDevice [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPnp [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartDevice [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanCmResourceList [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartValidateResources [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterResourceRequirements [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-24 04:37:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryDeviceRelations [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryStopDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelStopDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStopDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryRemoveDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelRemoveDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpRemoveDevice [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpSurpriseRemoval [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2022-02-24 04:37:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure InitNEC_98 [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPower [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2022-02-24 04:37:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipCheckDevice [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegInitDriverSettings [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegGetDeviceParameterDword [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegSetDeviceParameterDword [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2022-02-24 04:37:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPreProcessIrp [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPostProcessIrp [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptConnectInterrupt [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedRead [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedQueue [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDisconnect [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCancelRoutine [2022-02-24 04:37:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortDpc [2022-02-24 04:37:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePortAtInterruptLevel [2022-02-24 04:37:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortFromInterruptLevel [2022-02-24 04:37:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInterruptService [2022-02-24 04:37:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePort [2022-02-24 04:37:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTraversePortCheckList [2022-02-24 04:37:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptQueryNumWaiters [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildParallelPortDeviceName [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitializeDeviceExtension [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNumberFromLptName [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildDeviceObject [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiInitWmi [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchSystemControl [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiRegInfo [2022-02-24 04:37:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiDataBlock [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-02-24 04:37:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-02-24 04:37:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2022-02-24 04:37:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-24 04:37:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-24 04:37:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure RtlIntegerToUnicodeString [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure RtlUnicodeStringToInteger [2022-02-24 04:37:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAppendUnicodeStringToString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeDpc [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeInsertQueueDpc [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-02-24 04:37:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-02-24 04:37:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-24 04:37:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-02-24 04:37:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-02-24 04:37:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2022-02-24 04:37:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-02-24 04:37:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-02-24 04:37:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-02-24 04:37:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireCancelSpinLock [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoConnectInterrupt [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-02-24 04:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoInitializeRemoveLockEx [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockEx [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockAndWaitEx [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-02-24 04:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ObfReferenceObject [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ZwQueryValueKey [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ZwSetValueKey [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiInitWmi [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchSystemControl [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpInitDispatchFunctionTable [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpAddDevice [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPnp [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPreProcessIrp [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPostProcessIrp [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptUnload [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2022-02-24 04:37:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptConnectInterrupt [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCreate [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchClose [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedRead [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedQueue [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDisconnect [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptCancelRoutine [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortDpc [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePortAtInterruptLevel [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortFromInterruptLevel [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptInterruptService [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePort [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptTraversePortCheckList [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptQueryNumWaiters [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchInternalDeviceControl [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPower [2022-02-24 04:37:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegInitDriverSettings [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpPnpIrpInfo [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLockAndWait [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceList [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectChipFilter [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortType [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetChipMode [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearChipMode [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegGetDeviceParameterDword [2022-02-24 04:37:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegSetDeviceParameterDword [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildParallelPortDeviceName [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitializeDeviceExtension [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNumberFromLptName [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildDeviceObject [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptCleanRemovalRelationsList [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptAddPptRemovalRelation [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptRemovePptRemovalRelation [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpPptRemovalRelationsStruct [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStl1284_3 [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfNon1284_3Present [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStlProductId [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortCapabilities [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfUserRequested [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2022-02-24 04:37:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptFindNatChip [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildResourceList [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckByteMode [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterResourceRequirements [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryDeviceRelations [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryStopDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelStopDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStopDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryRemoveDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelRemoveDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpRemoveDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpSurpriseRemoval [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartDevice [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartValidateResources [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanCmResourceList [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-24 04:37:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBuildRemovalRelations [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanPciCardCmResourceList [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsPci [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure InitNEC_98 [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipCheckDevice [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~TO~VOID [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiRegInfo [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiDataBlock [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-24 04:37:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-24 04:37:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-24 04:37:48,362 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 04:37:48,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 04:37:48,387 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,433 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:48,433 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:48,610 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,705 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-02-24 04:37:48,705 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-02-24 04:37:48,722 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,754 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-24 04:37:48,754 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-24 04:37:48,755 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,762 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:48,762 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:48,844 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,869 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-02-24 04:37:48,869 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-02-24 04:37:48,869 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:48,876 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:48,876 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:49,003 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:49,014 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:49,014 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:49,078 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:49,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 04:37:49,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 04:37:49,171 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:49,193 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-24 04:37:49,193 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-24 04:37:49,193 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:49,203 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 04:37:49,203 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 04:37:49,214 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:49,217 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:49,217 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:49,345 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:52,509 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-02-24 04:37:52,509 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-02-24 04:37:54,610 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:54,613 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:54,614 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:54,672 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:54,673 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,185 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-02-24 04:37:55,185 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-02-24 04:37:55,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-02-24 04:37:55,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-02-24 04:37:55,388 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,393 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,393 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,479 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,484 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,484 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,877 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,881 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,886 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,886 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,902 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,907 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,911 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,911 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,911 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,916 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,916 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,987 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:55,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:55,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:55,997 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,000 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:56,000 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:56,053 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,056 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:56,056 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:56,065 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,069 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:56,069 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:56,448 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,451 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:56,452 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:56,459 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,488 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-02-24 04:37:56,488 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-02-24 04:37:56,493 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,655 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !false; [2022-02-24 04:37:56,656 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume false; [2022-02-24 04:37:56,856 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:56,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:56,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:56,992 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:57,042 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-02-24 04:37:57,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-02-24 04:37:57,096 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:58,805 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-24 04:37:58,805 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-24 04:37:58,855 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:58,895 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 04:37:58,895 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 04:37:58,895 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:58,916 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 04:37:58,917 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 04:37:58,952 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:58,960 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-24 04:37:58,960 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-24 04:37:59,061 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:59,064 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 04:37:59,064 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 04:37:59,222 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 04:37:59,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-02-24 04:37:59,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-02-24 04:37:59,368 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 04:37:59,386 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 04:37:59,387 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2022-02-24 04:37:59,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:37:59 BoogieIcfgContainer [2022-02-24 04:37:59,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 04:37:59,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 04:37:59,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 04:37:59,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 04:37:59,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:37:45" (1/3) ... [2022-02-24 04:37:59,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332ae522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:37:59, skipping insertion in model container [2022-02-24 04:37:59,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:37:47" (2/3) ... [2022-02-24 04:37:59,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332ae522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:37:59, skipping insertion in model container [2022-02-24 04:37:59,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:37:59" (3/3) ... [2022-02-24 04:37:59,396 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-2.c [2022-02-24 04:37:59,399 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 04:37:59,399 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 04:37:59,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 04:37:59,444 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 [2022-02-24 04:37:59,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 04:37:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 2250 states, 1521 states have (on average 1.4372123602892835) internal successors, (2186), 1577 states have internal predecessors, (2186), 562 states have call successors, (562), 151 states have call predecessors, (562), 151 states have return successors, (562), 547 states have call predecessors, (562), 562 states have call successors, (562) [2022-02-24 04:37:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-24 04:37:59,491 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:37:59,491 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] [2022-02-24 04:37:59,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:37:59,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:37:59,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2073400986, now seen corresponding path program 1 times [2022-02-24 04:37:59,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:37:59,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133056044] [2022-02-24 04:37:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:37:59,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:37:59,613 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 04:37:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:38:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 04:38:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:38:00,116 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:38:00,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133056044] [2022-02-24 04:38:00,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2133056044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:38:00,119 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:38:00,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 04:38:00,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496587117] [2022-02-24 04:38:00,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:38:00,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 04:38:00,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:38:00,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 04:38:00,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-24 04:38:00,148 INFO L87 Difference]: Start difference. First operand has 2250 states, 1521 states have (on average 1.4372123602892835) internal successors, (2186), 1577 states have internal predecessors, (2186), 562 states have call successors, (562), 151 states have call predecessors, (562), 151 states have return successors, (562), 547 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 04:38:05,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:08,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:38:17,888 INFO L93 Difference]: Finished difference Result 4216 states and 6551 transitions. [2022-02-24 04:38:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 04:38:17,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-02-24 04:38:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:38:17,916 INFO L225 Difference]: With dead ends: 4216 [2022-02-24 04:38:17,916 INFO L226 Difference]: Without dead ends: 2226 [2022-02-24 04:38:17,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-24 04:38:17,934 INFO L933 BasicCegarLoop]: 2421 mSDtfsCounter, 3234 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 5327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 3764 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-02-24 04:38:17,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 2782 Invalid, 5327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 3764 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-02-24 04:38:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-02-24 04:38:18,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1985. [2022-02-24 04:38:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1335 states have (on average 1.3745318352059925) internal successors, (1835), 1385 states have internal predecessors, (1835), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-24 04:38:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2849 transitions. [2022-02-24 04:38:18,359 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2849 transitions. Word has length 22 [2022-02-24 04:38:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:38:18,360 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2849 transitions. [2022-02-24 04:38:18,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 04:38:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2849 transitions. [2022-02-24 04:38:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-24 04:38:18,361 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:38:18,361 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] [2022-02-24 04:38:18,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 04:38:18,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:38:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:38:18,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1828450504, now seen corresponding path program 1 times [2022-02-24 04:38:18,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:38:18,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360826830] [2022-02-24 04:38:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:38:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:38:18,392 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:38:18,393 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:38:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:38:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-24 04:38:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:38:18,713 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:38:18,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360826830] [2022-02-24 04:38:18,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [360826830] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:38:18,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:38:18,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 04:38:18,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230858573] [2022-02-24 04:38:18,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:38:18,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 04:38:18,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:38:18,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 04:38:18,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:38:18,715 INFO L87 Difference]: Start difference. First operand 1985 states and 2849 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 04:38:23,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:25,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:29,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:31,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:33,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:39,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:38:45,330 INFO L93 Difference]: Finished difference Result 4204 states and 6084 transitions. [2022-02-24 04:38:45,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 04:38:45,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-24 04:38:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:38:45,349 INFO L225 Difference]: With dead ends: 4204 [2022-02-24 04:38:45,350 INFO L226 Difference]: Without dead ends: 2228 [2022-02-24 04:38:45,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:38:45,356 INFO L933 BasicCegarLoop]: 2407 mSDtfsCounter, 1661 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 6951 mSolverCounterSat, 587 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 7542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 6951 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-02-24 04:38:45,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2064 Valid, 3039 Invalid, 7542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [587 Valid, 6951 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2022-02-24 04:38:45,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-02-24 04:38:45,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1987. [2022-02-24 04:38:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1337 states have (on average 1.3739715781600599) internal successors, (1837), 1387 states have internal predecessors, (1837), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-24 04:38:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2851 transitions. [2022-02-24 04:38:45,653 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2851 transitions. Word has length 24 [2022-02-24 04:38:45,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:38:45,654 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2851 transitions. [2022-02-24 04:38:45,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 04:38:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2851 transitions. [2022-02-24 04:38:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-24 04:38:45,655 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:38:45,655 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:38:45,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 04:38:45,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:38:45,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:38:45,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2001282986, now seen corresponding path program 2 times [2022-02-24 04:38:45,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:38:45,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124396793] [2022-02-24 04:38:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:38:45,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:38:45,675 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:38:45,675 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:38:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:38:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:38:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:38:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:38:46,034 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:38:46,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124396793] [2022-02-24 04:38:46,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [124396793] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:38:46,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:38:46,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 04:38:46,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210255370] [2022-02-24 04:38:46,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:38:46,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 04:38:46,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:38:46,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 04:38:46,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-24 04:38:46,036 INFO L87 Difference]: Start difference. First operand 1987 states and 2851 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-24 04:38:50,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:56,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:38:58,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:03,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:39:08,388 INFO L93 Difference]: Finished difference Result 2247 states and 3269 transitions. [2022-02-24 04:39:08,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 04:39:08,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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 26 [2022-02-24 04:39:08,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:39:08,398 INFO L225 Difference]: With dead ends: 2247 [2022-02-24 04:39:08,398 INFO L226 Difference]: Without dead ends: 2227 [2022-02-24 04:39:08,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:39:08,402 INFO L933 BasicCegarLoop]: 2408 mSDtfsCounter, 1666 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 587 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:39:08,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2069 Valid, 2731 Invalid, 4916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [587 Valid, 4325 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-02-24 04:39:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-02-24 04:39:08,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1987. [2022-02-24 04:39:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1337 states have (on average 1.3732236350037397) internal successors, (1836), 1387 states have internal predecessors, (1836), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-24 04:39:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2850 transitions. [2022-02-24 04:39:08,725 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2850 transitions. Word has length 26 [2022-02-24 04:39:08,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:39:08,725 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2850 transitions. [2022-02-24 04:39:08,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-24 04:39:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2850 transitions. [2022-02-24 04:39:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-24 04:39:08,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:39:08,726 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2022-02-24 04:39:08,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 04:39:08,726 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:39:08,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:39:08,727 INFO L85 PathProgramCache]: Analyzing trace with hash 685714251, now seen corresponding path program 1 times [2022-02-24 04:39:08,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:39:08,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600731652] [2022-02-24 04:39:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:39:08,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:39:08,742 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:39:08,742 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:39:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:39:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:39:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:39:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:39:09,174 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:39:09,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600731652] [2022-02-24 04:39:09,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1600731652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:39:09,174 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:39:09,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 04:39:09,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972080652] [2022-02-24 04:39:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:39:09,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 04:39:09,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:39:09,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 04:39:09,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:39:09,175 INFO L87 Difference]: Start difference. First operand 1987 states and 2850 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 04:39:14,695 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 [] [2022-02-24 04:39:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:39:28,070 INFO L93 Difference]: Finished difference Result 5164 states and 7515 transitions. [2022-02-24 04:39:28,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 04:39:28,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-02-24 04:39:28,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:39:28,086 INFO L225 Difference]: With dead ends: 5164 [2022-02-24 04:39:28,086 INFO L226 Difference]: Without dead ends: 3851 [2022-02-24 04:39:28,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-24 04:39:28,090 INFO L933 BasicCegarLoop]: 2637 mSDtfsCounter, 7556 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4011 mSolverCounterSat, 4002 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7936 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 8014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4002 IncrementalHoareTripleChecker+Valid, 4011 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:39:28,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7936 Valid, 3133 Invalid, 8014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4002 Valid, 4011 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2022-02-24 04:39:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2022-02-24 04:39:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3718. [2022-02-24 04:39:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2512 states have (on average 1.3694267515923566) internal successors, (3440), 2583 states have internal predecessors, (3440), 957 states have call successors, (957), 248 states have call predecessors, (957), 248 states have return successors, (997), 924 states have call predecessors, (997), 940 states have call successors, (997) [2022-02-24 04:39:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5394 transitions. [2022-02-24 04:39:28,690 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5394 transitions. Word has length 35 [2022-02-24 04:39:28,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:39:28,690 INFO L470 AbstractCegarLoop]: Abstraction has 3718 states and 5394 transitions. [2022-02-24 04:39:28,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 04:39:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5394 transitions. [2022-02-24 04:39:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-24 04:39:28,698 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:39:28,698 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:39:28,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 04:39:28,698 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:39:28,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:39:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1042375609, now seen corresponding path program 1 times [2022-02-24 04:39:28,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:39:28,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207992272] [2022-02-24 04:39:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:39:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:39:28,719 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:39:28,719 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:39:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:39:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:39:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:39:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 04:39:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:39:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:39:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:39:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:39:29,259 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:39:29,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207992272] [2022-02-24 04:39:29,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [207992272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:39:29,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:39:29,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:39:29,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747404447] [2022-02-24 04:39:29,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:39:29,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:39:29,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:39:29,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:39:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:39:29,261 INFO L87 Difference]: Start difference. First operand 3718 states and 5394 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-24 04:39:37,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:39,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:41,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:43,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:48,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:50,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:57,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:39:58,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:40:14,232 INFO L93 Difference]: Finished difference Result 5360 states and 7828 transitions. [2022-02-24 04:40:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-24 04:40:14,233 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2022-02-24 04:40:14,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:40:14,251 INFO L225 Difference]: With dead ends: 5360 [2022-02-24 04:40:14,251 INFO L226 Difference]: Without dead ends: 5349 [2022-02-24 04:40:14,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-24 04:40:14,253 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 8270 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 9790 mSolverCounterSat, 6374 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8308 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 16169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6374 IncrementalHoareTripleChecker+Valid, 9790 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2022-02-24 04:40:14,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8308 Valid, 3921 Invalid, 16169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6374 Valid, 9790 Invalid, 5 Unknown, 0 Unchecked, 42.2s Time] [2022-02-24 04:40:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-02-24 04:40:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4533. [2022-02-24 04:40:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3017 states have (on average 1.3619489559164732) internal successors, (4109), 3098 states have internal predecessors, (4109), 1206 states have call successors, (1206), 304 states have call predecessors, (1206), 309 states have return successors, (1252), 1174 states have call predecessors, (1252), 1189 states have call successors, (1252) [2022-02-24 04:40:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6567 transitions. [2022-02-24 04:40:15,099 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6567 transitions. Word has length 51 [2022-02-24 04:40:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:40:15,100 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6567 transitions. [2022-02-24 04:40:15,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-24 04:40:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6567 transitions. [2022-02-24 04:40:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-24 04:40:15,103 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:40:15,103 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:40:15,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 04:40:15,104 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:40:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:40:15,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1810806331, now seen corresponding path program 1 times [2022-02-24 04:40:15,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:40:15,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585791367] [2022-02-24 04:40:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:40:15,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:40:15,120 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:40:15,120 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:40:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:40:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:40:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:40:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 04:40:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:40:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:40:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:40:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:40:15,599 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:40:15,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585791367] [2022-02-24 04:40:15,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1585791367] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:40:15,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:40:15,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:40:15,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788632657] [2022-02-24 04:40:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:40:15,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:40:15,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:40:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:40:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:40:15,600 INFO L87 Difference]: Start difference. First operand 4533 states and 6567 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-24 04:40:22,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:25,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:27,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:29,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:35,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:37,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:43,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:45,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:40:46,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:41:01,089 INFO L93 Difference]: Finished difference Result 5351 states and 7813 transitions. [2022-02-24 04:41:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-24 04:41:01,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2022-02-24 04:41:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:41:01,107 INFO L225 Difference]: With dead ends: 5351 [2022-02-24 04:41:01,108 INFO L226 Difference]: Without dead ends: 5343 [2022-02-24 04:41:01,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-24 04:41:01,109 INFO L933 BasicCegarLoop]: 2995 mSDtfsCounter, 10147 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 9700 mSolverCounterSat, 7951 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10185 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 17657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7951 IncrementalHoareTripleChecker+Valid, 9700 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2022-02-24 04:41:01,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10185 Valid, 3975 Invalid, 17657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7951 Valid, 9700 Invalid, 6 Unknown, 0 Unchecked, 42.6s Time] [2022-02-24 04:41:01,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2022-02-24 04:41:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 4533. [2022-02-24 04:41:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3017 states have (on average 1.3616175008286378) internal successors, (4108), 3098 states have internal predecessors, (4108), 1206 states have call successors, (1206), 304 states have call predecessors, (1206), 309 states have return successors, (1252), 1174 states have call predecessors, (1252), 1189 states have call successors, (1252) [2022-02-24 04:41:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6566 transitions. [2022-02-24 04:41:02,244 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6566 transitions. Word has length 52 [2022-02-24 04:41:02,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:41:02,244 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6566 transitions. [2022-02-24 04:41:02,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-24 04:41:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6566 transitions. [2022-02-24 04:41:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 04:41:02,246 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:41:02,246 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:41:02,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 04:41:02,246 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:41:02,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:41:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash 889605838, now seen corresponding path program 1 times [2022-02-24 04:41:02,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:41:02,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112863952] [2022-02-24 04:41:02,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:41:02,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:41:02,262 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:41:02,262 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:41:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:41:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:41:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:41:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-24 04:41:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:41:02,594 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:41:02,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112863952] [2022-02-24 04:41:02,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1112863952] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:41:02,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:41:02,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 04:41:02,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485516336] [2022-02-24 04:41:02,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:41:02,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 04:41:02,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:41:02,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 04:41:02,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:41:02,595 INFO L87 Difference]: Start difference. First operand 4533 states and 6566 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-02-24 04:41:06,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:08,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:10,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:13,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:41:25,305 INFO L93 Difference]: Finished difference Result 7586 states and 10960 transitions. [2022-02-24 04:41:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 04:41:25,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-02-24 04:41:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:41:25,329 INFO L225 Difference]: With dead ends: 7586 [2022-02-24 04:41:25,329 INFO L226 Difference]: Without dead ends: 7192 [2022-02-24 04:41:25,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-24 04:41:25,332 INFO L933 BasicCegarLoop]: 3297 mSDtfsCounter, 6086 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 3423 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6473 SdHoareTripleChecker+Valid, 3539 SdHoareTripleChecker+Invalid, 7582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3423 IncrementalHoareTripleChecker+Valid, 4157 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:41:25,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6473 Valid, 3539 Invalid, 7582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3423 Valid, 4157 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-02-24 04:41:25,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7192 states. [2022-02-24 04:41:26,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7192 to 7029. [2022-02-24 04:41:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7029 states, 4656 states have (on average 1.361683848797251) internal successors, (6340), 4782 states have internal predecessors, (6340), 1902 states have call successors, (1902), 458 states have call predecessors, (1902), 470 states have return successors, (1967), 1859 states have call predecessors, (1967), 1888 states have call successors, (1967) [2022-02-24 04:41:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10209 transitions. [2022-02-24 04:41:26,830 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10209 transitions. Word has length 53 [2022-02-24 04:41:26,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:41:26,830 INFO L470 AbstractCegarLoop]: Abstraction has 7029 states and 10209 transitions. [2022-02-24 04:41:26,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-02-24 04:41:26,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10209 transitions. [2022-02-24 04:41:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 04:41:26,832 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:41:26,832 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:41:26,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 04:41:26,832 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:41:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:41:26,833 INFO L85 PathProgramCache]: Analyzing trace with hash 31359280, now seen corresponding path program 1 times [2022-02-24 04:41:26,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:41:26,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782321057] [2022-02-24 04:41:26,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:41:26,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:41:26,849 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:41:26,849 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:41:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:41:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:41:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:41:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 04:41:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:41:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:41:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:41:27,278 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:41:27,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782321057] [2022-02-24 04:41:27,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1782321057] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:41:27,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:41:27,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-24 04:41:27,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081003183] [2022-02-24 04:41:27,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:41:27,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-24 04:41:27,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:41:27,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-24 04:41:27,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-24 04:41:27,279 INFO L87 Difference]: Start difference. First operand 7029 states and 10209 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:41:31,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:33,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:39,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:41,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:41:53,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:41:53,873 INFO L93 Difference]: Finished difference Result 8265 states and 12062 transitions. [2022-02-24 04:41:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 04:41:53,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2022-02-24 04:41:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:41:53,897 INFO L225 Difference]: With dead ends: 8265 [2022-02-24 04:41:53,898 INFO L226 Difference]: Without dead ends: 8236 [2022-02-24 04:41:53,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-02-24 04:41:53,900 INFO L933 BasicCegarLoop]: 2147 mSDtfsCounter, 5203 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 3614 mSolverCounterSat, 3237 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3237 IncrementalHoareTripleChecker+Valid, 3614 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:41:53,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5274 Valid, 2794 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3237 Valid, 3614 Invalid, 3 Unknown, 0 Unchecked, 23.7s Time] [2022-02-24 04:41:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2022-02-24 04:41:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 7062. [2022-02-24 04:41:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 4677 states have (on average 1.3600598674363908) internal successors, (6361), 4805 states have internal predecessors, (6361), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 476 states have return successors, (1973), 1864 states have call predecessors, (1973), 1894 states have call successors, (1973) [2022-02-24 04:41:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10242 transitions. [2022-02-24 04:41:55,597 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10242 transitions. Word has length 53 [2022-02-24 04:41:55,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:41:55,597 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10242 transitions. [2022-02-24 04:41:55,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:41:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10242 transitions. [2022-02-24 04:41:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 04:41:55,600 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:41:55,600 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:41:55,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 04:41:55,600 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:41:55,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:41:55,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1793225756, now seen corresponding path program 1 times [2022-02-24 04:41:55,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:41:55,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552779344] [2022-02-24 04:41:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:41:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:41:55,617 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:41:55,617 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:41:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:41:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:41:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:41:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-24 04:41:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:41:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:41:55,939 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:41:55,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552779344] [2022-02-24 04:41:55,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1552779344] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:41:55,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:41:55,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 04:41:55,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757210776] [2022-02-24 04:41:55,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:41:55,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 04:41:55,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:41:55,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 04:41:55,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 04:41:55,940 INFO L87 Difference]: Start difference. First operand 7062 states and 10242 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-24 04:41:59,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:01,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:05,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:07,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:09,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:13,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:21,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:42:21,330 INFO L93 Difference]: Finished difference Result 7158 states and 10373 transitions. [2022-02-24 04:42:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 04:42:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2022-02-24 04:42:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:42:21,351 INFO L225 Difference]: With dead ends: 7158 [2022-02-24 04:42:21,351 INFO L226 Difference]: Without dead ends: 7155 [2022-02-24 04:42:21,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-24 04:42:21,354 INFO L933 BasicCegarLoop]: 2411 mSDtfsCounter, 4868 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 2518 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 6249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2518 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-02-24 04:42:21,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5271 Valid, 2726 Invalid, 6249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2518 Valid, 3726 Invalid, 5 Unknown, 0 Unchecked, 23.3s Time] [2022-02-24 04:42:21,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7155 states. [2022-02-24 04:42:22,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7155 to 7062. [2022-02-24 04:42:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 4677 states have (on average 1.3598460551635665) internal successors, (6360), 4805 states have internal predecessors, (6360), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 476 states have return successors, (1973), 1864 states have call predecessors, (1973), 1894 states have call successors, (1973) [2022-02-24 04:42:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10241 transitions. [2022-02-24 04:42:22,981 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10241 transitions. Word has length 53 [2022-02-24 04:42:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:42:22,981 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10241 transitions. [2022-02-24 04:42:22,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-24 04:42:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10241 transitions. [2022-02-24 04:42:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-24 04:42:22,983 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:42:22,983 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:42:22,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 04:42:22,983 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:42:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:42:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1602343544, now seen corresponding path program 1 times [2022-02-24 04:42:22,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:42:22,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622375564] [2022-02-24 04:42:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:42:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:42:22,999 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:42:22,999 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:42:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:42:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:42:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:42:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 04:42:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-24 04:42:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:42:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 04:42:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:42:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:42:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:42:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:42:23,473 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:42:23,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622375564] [2022-02-24 04:42:23,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [622375564] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:42:23,473 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:42:23,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:42:23,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371604847] [2022-02-24 04:42:23,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:42:23,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:42:23,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:42:23,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:42:23,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:42:23,475 INFO L87 Difference]: Start difference. First operand 7062 states and 10241 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-24 04:42:28,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:32,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:34,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:36,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:38,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:44,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:49,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:51,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:42:53,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:43:07,924 INFO L93 Difference]: Finished difference Result 14528 states and 21164 transitions. [2022-02-24 04:43:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 04:43:07,925 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2022-02-24 04:43:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:43:07,952 INFO L225 Difference]: With dead ends: 14528 [2022-02-24 04:43:07,952 INFO L226 Difference]: Without dead ends: 8139 [2022-02-24 04:43:07,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-02-24 04:43:07,969 INFO L933 BasicCegarLoop]: 2242 mSDtfsCounter, 2847 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 10753 mSolverCounterSat, 1892 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 3530 SdHoareTripleChecker+Invalid, 12653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1892 IncrementalHoareTripleChecker+Valid, 10753 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2022-02-24 04:43:07,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3056 Valid, 3530 Invalid, 12653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1892 Valid, 10753 Invalid, 8 Unknown, 0 Unchecked, 41.1s Time] [2022-02-24 04:43:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8139 states. [2022-02-24 04:43:09,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8139 to 7066. [2022-02-24 04:43:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7066 states, 4680 states have (on average 1.3596153846153847) internal successors, (6363), 4808 states have internal predecessors, (6363), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 477 states have return successors, (1975), 1865 states have call predecessors, (1975), 1894 states have call successors, (1975) [2022-02-24 04:43:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 10246 transitions. [2022-02-24 04:43:09,874 INFO L78 Accepts]: Start accepts. Automaton has 7066 states and 10246 transitions. Word has length 71 [2022-02-24 04:43:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:43:09,876 INFO L470 AbstractCegarLoop]: Abstraction has 7066 states and 10246 transitions. [2022-02-24 04:43:09,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-24 04:43:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 7066 states and 10246 transitions. [2022-02-24 04:43:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-24 04:43:09,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:43:09,877 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:43:09,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 04:43:09,878 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:43:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:43:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -581333383, now seen corresponding path program 1 times [2022-02-24 04:43:09,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:43:09,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953268541] [2022-02-24 04:43:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:43:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:43:09,893 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:43:09,893 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:43:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:43:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:43:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:43:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 04:43:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-24 04:43:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:43:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 04:43:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:43:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:43:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:43:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:43:10,334 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:43:10,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953268541] [2022-02-24 04:43:10,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1953268541] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:43:10,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:43:10,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-24 04:43:10,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367172695] [2022-02-24 04:43:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:43:10,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-24 04:43:10,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:43:10,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-24 04:43:10,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-24 04:43:10,336 INFO L87 Difference]: Start difference. First operand 7066 states and 10246 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-24 04:43:17,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:21,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:23,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:25,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:27,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:29,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:33,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:35,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:37,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:47,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:48,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:50,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:43:52,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:44:06,471 INFO L93 Difference]: Finished difference Result 13362 states and 19416 transitions. [2022-02-24 04:44:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 04:44:06,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2022-02-24 04:44:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:44:06,497 INFO L225 Difference]: With dead ends: 13362 [2022-02-24 04:44:06,497 INFO L226 Difference]: Without dead ends: 7930 [2022-02-24 04:44:06,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-02-24 04:44:06,512 INFO L933 BasicCegarLoop]: 2245 mSDtfsCounter, 6241 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 13573 mSolverCounterSat, 4123 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6447 SdHoareTripleChecker+Valid, 3934 SdHoareTripleChecker+Invalid, 17704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4123 IncrementalHoareTripleChecker+Valid, 13573 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:44:06,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6447 Valid, 3934 Invalid, 17704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4123 Valid, 13573 Invalid, 8 Unknown, 0 Unchecked, 52.7s Time] [2022-02-24 04:44:06,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7930 states. [2022-02-24 04:44:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7930 to 6889. [2022-02-24 04:44:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6889 states, 4558 states have (on average 1.3573935936814392) internal successors, (6187), 4671 states have internal predecessors, (6187), 1864 states have call successors, (1864), 440 states have call predecessors, (1864), 466 states have return successors, (1905), 1849 states have call predecessors, (1905), 1853 states have call successors, (1905) [2022-02-24 04:44:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6889 states to 6889 states and 9956 transitions. [2022-02-24 04:44:08,304 INFO L78 Accepts]: Start accepts. Automaton has 6889 states and 9956 transitions. Word has length 71 [2022-02-24 04:44:08,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:44:08,307 INFO L470 AbstractCegarLoop]: Abstraction has 6889 states and 9956 transitions. [2022-02-24 04:44:08,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-24 04:44:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6889 states and 9956 transitions. [2022-02-24 04:44:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 04:44:08,309 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:44:08,309 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:44:08,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 04:44:08,310 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:44:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:44:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash 978653891, now seen corresponding path program 1 times [2022-02-24 04:44:08,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:44:08,310 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120572909] [2022-02-24 04:44:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:44:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:44:08,328 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:44:08,328 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:44:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:44:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:44:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:44:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 04:44:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:44:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:44:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:44:08,683 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:44:08,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120572909] [2022-02-24 04:44:08,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2120572909] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:44:08,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:44:08,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:44:08,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539137016] [2022-02-24 04:44:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:44:08,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:44:08,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:44:08,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:44:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:44:08,684 INFO L87 Difference]: Start difference. First operand 6889 states and 9956 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:44:15,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:18,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:20,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:22,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:24,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:28,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:30,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:32,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:39,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:41,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:43,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:44:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:44:56,505 INFO L93 Difference]: Finished difference Result 7942 states and 11580 transitions. [2022-02-24 04:44:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 04:44:56,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-24 04:44:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:44:56,569 INFO L225 Difference]: With dead ends: 7942 [2022-02-24 04:44:56,570 INFO L226 Difference]: Without dead ends: 7900 [2022-02-24 04:44:56,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-24 04:44:56,578 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 2820 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 11202 mSolverCounterSat, 1853 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 13061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 11202 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.7s IncrementalHoareTripleChecker+Time [2022-02-24 04:44:56,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3029 Valid, 3484 Invalid, 13061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1853 Valid, 11202 Invalid, 6 Unknown, 0 Unchecked, 44.7s Time] [2022-02-24 04:44:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-02-24 04:44:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 6863. [2022-02-24 04:44:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6863 states, 4542 states have (on average 1.3575517393218846) internal successors, (6166), 4655 states have internal predecessors, (6166), 1856 states have call successors, (1856), 438 states have call predecessors, (1856), 464 states have return successors, (1897), 1841 states have call predecessors, (1897), 1845 states have call successors, (1897) [2022-02-24 04:44:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 9919 transitions. [2022-02-24 04:44:58,526 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 9919 transitions. Word has length 54 [2022-02-24 04:44:58,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:44:58,526 INFO L470 AbstractCegarLoop]: Abstraction has 6863 states and 9919 transitions. [2022-02-24 04:44:58,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:44:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 9919 transitions. [2022-02-24 04:44:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-24 04:44:58,527 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:44:58,528 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:44:58,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 04:44:58,528 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:44:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:44:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1080534857, now seen corresponding path program 1 times [2022-02-24 04:44:58,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:44:58,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482554706] [2022-02-24 04:44:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:44:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:44:58,543 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:44:58,543 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:44:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:44:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:44:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:44:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-24 04:44:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-24 04:44:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:44:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:44:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:44:58,961 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:44:58,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482554706] [2022-02-24 04:44:58,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1482554706] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:44:58,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:44:58,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:44:58,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91351829] [2022-02-24 04:44:58,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:44:58,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:44:58,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:44:58,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:44:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:44:58,963 INFO L87 Difference]: Start difference. First operand 6863 states and 9919 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:45:04,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:06,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:08,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:11,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:12,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:15,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:17,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:19,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:21,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:30,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:32,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:34,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:35,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:45:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:45:48,181 INFO L93 Difference]: Finished difference Result 7915 states and 11542 transitions. [2022-02-24 04:45:48,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 04:45:48,181 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-02-24 04:45:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:45:48,203 INFO L225 Difference]: With dead ends: 7915 [2022-02-24 04:45:48,204 INFO L226 Difference]: Without dead ends: 7898 [2022-02-24 04:45:48,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-24 04:45:48,207 INFO L933 BasicCegarLoop]: 2380 mSDtfsCounter, 4504 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 10807 mSolverCounterSat, 2862 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 13677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2862 IncrementalHoareTripleChecker+Valid, 10807 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2022-02-24 04:45:48,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4712 Valid, 4337 Invalid, 13677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2862 Valid, 10807 Invalid, 8 Unknown, 0 Unchecked, 45.9s Time] [2022-02-24 04:45:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-02-24 04:45:50,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 6861. [2022-02-24 04:45:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6861 states, 4541 states have (on average 1.3574102620568156) internal successors, (6164), 4654 states have internal predecessors, (6164), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 464 states have return successors, (1896), 1840 states have call predecessors, (1896), 1844 states have call successors, (1896) [2022-02-24 04:45:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 9915 transitions. [2022-02-24 04:45:50,260 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 9915 transitions. Word has length 58 [2022-02-24 04:45:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:45:50,261 INFO L470 AbstractCegarLoop]: Abstraction has 6861 states and 9915 transitions. [2022-02-24 04:45:50,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:45:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 9915 transitions. [2022-02-24 04:45:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 04:45:50,262 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:45:50,262 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:45:50,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 04:45:50,262 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:45:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:45:50,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1909970758, now seen corresponding path program 1 times [2022-02-24 04:45:50,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:45:50,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927924273] [2022-02-24 04:45:50,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:45:50,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:45:50,278 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:45:50,278 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:45:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:45:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:45:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:45:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 04:45:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:45:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:45:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:45:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:45:50,718 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:45:50,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927924273] [2022-02-24 04:45:50,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1927924273] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:45:50,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:45:50,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-24 04:45:50,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119477891] [2022-02-24 04:45:50,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:45:50,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-24 04:45:50,719 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:45:50,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-24 04:45:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-02-24 04:45:50,720 INFO L87 Difference]: Start difference. First operand 6861 states and 9915 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:45:59,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:01,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:03,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:05,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:07,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:09,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:15,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:16,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:17,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:21,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:24,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:26,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:28,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:30,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:32,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:34,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:46,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:48,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:50,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:52,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:54,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:56,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:46:58,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:14,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:47:14,890 INFO L93 Difference]: Finished difference Result 7955 states and 11590 transitions. [2022-02-24 04:47:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-24 04:47:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-24 04:47:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:47:14,909 INFO L225 Difference]: With dead ends: 7955 [2022-02-24 04:47:14,909 INFO L226 Difference]: Without dead ends: 7911 [2022-02-24 04:47:14,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-02-24 04:47:14,912 INFO L933 BasicCegarLoop]: 2375 mSDtfsCounter, 2732 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 19708 mSolverCounterSat, 1751 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 21477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1751 IncrementalHoareTripleChecker+Valid, 19708 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.8s IncrementalHoareTripleChecker+Time [2022-02-24 04:47:14,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2936 Valid, 5280 Invalid, 21477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1751 Valid, 19708 Invalid, 18 Unknown, 0 Unchecked, 79.8s Time] [2022-02-24 04:47:14,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7911 states. [2022-02-24 04:47:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7911 to 6866. [2022-02-24 04:47:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6866 states, 4545 states have (on average 1.357095709570957) internal successors, (6168), 4658 states have internal predecessors, (6168), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 465 states have return successors, (1899), 1841 states have call predecessors, (1899), 1844 states have call successors, (1899) [2022-02-24 04:47:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6866 states to 6866 states and 9922 transitions. [2022-02-24 04:47:16,933 INFO L78 Accepts]: Start accepts. Automaton has 6866 states and 9922 transitions. Word has length 54 [2022-02-24 04:47:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:47:16,933 INFO L470 AbstractCegarLoop]: Abstraction has 6866 states and 9922 transitions. [2022-02-24 04:47:16,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:47:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 6866 states and 9922 transitions. [2022-02-24 04:47:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 04:47:16,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:47:16,935 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:47:16,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 04:47:16,935 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:47:16,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:47:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1140232057, now seen corresponding path program 1 times [2022-02-24 04:47:16,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:47:16,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781660515] [2022-02-24 04:47:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:47:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:47:16,951 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:47:16,952 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:47:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:47:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:47:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:47:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 04:47:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:47:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:47:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:47:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:47:17,307 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:47:17,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781660515] [2022-02-24 04:47:17,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [781660515] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:47:17,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:47:17,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 04:47:17,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274895337] [2022-02-24 04:47:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:47:17,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 04:47:17,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:47:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 04:47:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-02-24 04:47:17,308 INFO L87 Difference]: Start difference. First operand 6866 states and 9922 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:47:23,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:25,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:27,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:32,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:33,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:37,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:39,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:41,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:43,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:45,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:51,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:55,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:57,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:47:59,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:00,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:12,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:48:12,492 INFO L93 Difference]: Finished difference Result 7952 states and 11586 transitions. [2022-02-24 04:48:12,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 04:48:12,492 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-24 04:48:12,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:48:12,517 INFO L225 Difference]: With dead ends: 7952 [2022-02-24 04:48:12,517 INFO L226 Difference]: Without dead ends: 7908 [2022-02-24 04:48:12,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-02-24 04:48:12,521 INFO L933 BasicCegarLoop]: 2368 mSDtfsCounter, 4474 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 13254 mSolverCounterSat, 2857 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4683 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 16119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2857 IncrementalHoareTripleChecker+Valid, 13254 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.9s IncrementalHoareTripleChecker+Time [2022-02-24 04:48:12,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4683 Valid, 4367 Invalid, 16119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2857 Valid, 13254 Invalid, 8 Unknown, 0 Unchecked, 50.9s Time] [2022-02-24 04:48:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7908 states. [2022-02-24 04:48:14,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7908 to 6858. [2022-02-24 04:48:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6858 states, 4539 states have (on average 1.3573474333553646) internal successors, (6161), 4652 states have internal predecessors, (6161), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 463 states have return successors, (1895), 1839 states have call predecessors, (1895), 1844 states have call successors, (1895) [2022-02-24 04:48:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 9911 transitions. [2022-02-24 04:48:14,564 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 9911 transitions. Word has length 54 [2022-02-24 04:48:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:48:14,564 INFO L470 AbstractCegarLoop]: Abstraction has 6858 states and 9911 transitions. [2022-02-24 04:48:14,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-24 04:48:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 9911 transitions. [2022-02-24 04:48:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-24 04:48:14,566 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:48:14,566 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:48:14,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 04:48:14,566 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:48:14,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:48:14,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1543753921, now seen corresponding path program 1 times [2022-02-24 04:48:14,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:48:14,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771428914] [2022-02-24 04:48:14,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:48:14,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:48:14,581 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:48:14,581 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:48:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:48:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:48:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:48:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 04:48:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 04:48:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:48:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:48:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:48:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:48:14,971 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:48:14,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771428914] [2022-02-24 04:48:14,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1771428914] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:48:14,972 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:48:14,972 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-24 04:48:14,972 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891492745] [2022-02-24 04:48:14,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:48:14,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-24 04:48:14,973 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:48:14,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-24 04:48:14,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-24 04:48:14,973 INFO L87 Difference]: Start difference. First operand 6858 states and 9911 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-24 04:48:26,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:28,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:30,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:32,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:34,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:36,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:38,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:49,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:51,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:53,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:54,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:56,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:57,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:48:58,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:49:14,607 INFO L93 Difference]: Finished difference Result 7913 states and 11537 transitions. [2022-02-24 04:49:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-24 04:49:14,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-02-24 04:49:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:49:14,626 INFO L225 Difference]: With dead ends: 7913 [2022-02-24 04:49:14,626 INFO L226 Difference]: Without dead ends: 7893 [2022-02-24 04:49:14,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2022-02-24 04:49:14,628 INFO L933 BasicCegarLoop]: 2383 mSDtfsCounter, 4560 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 18094 mSolverCounterSat, 2874 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4769 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 20978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2874 IncrementalHoareTripleChecker+Valid, 18094 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2022-02-24 04:49:14,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4769 Valid, 5394 Invalid, 20978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2874 Valid, 18094 Invalid, 10 Unknown, 0 Unchecked, 55.8s Time] [2022-02-24 04:49:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7893 states. [2022-02-24 04:49:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7893 to 6856. [2022-02-24 04:49:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 4538 states have (on average 1.3572058175407669) internal successors, (6159), 4651 states have internal predecessors, (6159), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 463 states have return successors, (1894), 1838 states have call predecessors, (1894), 1843 states have call successors, (1894) [2022-02-24 04:49:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9907 transitions. [2022-02-24 04:49:16,787 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9907 transitions. Word has length 58 [2022-02-24 04:49:16,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:49:16,787 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9907 transitions. [2022-02-24 04:49:16,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-24 04:49:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9907 transitions. [2022-02-24 04:49:16,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-24 04:49:16,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:49:16,788 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:49:16,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 04:49:16,789 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:49:16,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:49:16,789 INFO L85 PathProgramCache]: Analyzing trace with hash 512517655, now seen corresponding path program 1 times [2022-02-24 04:49:16,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:49:16,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352815816] [2022-02-24 04:49:16,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:49:16,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:49:16,803 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:49:16,804 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:49:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:49:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:49:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:49:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-24 04:49:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:49:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-24 04:49:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:49:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:49:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:49:17,225 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:49:17,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352815816] [2022-02-24 04:49:17,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [352815816] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:49:17,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:49:17,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-24 04:49:17,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799695301] [2022-02-24 04:49:17,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:49:17,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-24 04:49:17,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:49:17,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-24 04:49:17,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-02-24 04:49:17,227 INFO L87 Difference]: Start difference. First operand 6856 states and 9907 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 4 states have return successors, (7), 4 states have call predecessors, (7), 1 states have call successors, (7) [2022-02-24 04:49:27,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:29,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:31,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:38,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:40,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:43,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:45,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:47,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:49,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:51,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:53,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:55,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:57,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:49:59,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:12,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:14,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:15,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:17,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:19,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:21,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:23,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:42,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:50:42,973 INFO L93 Difference]: Finished difference Result 8968 states and 13309 transitions. [2022-02-24 04:50:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-24 04:50:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 4 states have return successors, (7), 4 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2022-02-24 04:50:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:50:43,002 INFO L225 Difference]: With dead ends: 8968 [2022-02-24 04:50:43,003 INFO L226 Difference]: Without dead ends: 8923 [2022-02-24 04:50:43,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2022-02-24 04:50:43,005 INFO L933 BasicCegarLoop]: 2409 mSDtfsCounter, 6832 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 21208 mSolverCounterSat, 4697 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7043 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 25918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4697 IncrementalHoareTripleChecker+Valid, 21208 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.6s IncrementalHoareTripleChecker+Time [2022-02-24 04:50:43,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7043 Valid, 5370 Invalid, 25918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4697 Valid, 21208 Invalid, 13 Unknown, 0 Unchecked, 79.6s Time] [2022-02-24 04:50:43,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8923 states. [2022-02-24 04:50:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8923 to 6861. [2022-02-24 04:50:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6861 states, 4542 states have (on average 1.3568912373403788) internal successors, (6163), 4655 states have internal predecessors, (6163), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 464 states have return successors, (1897), 1839 states have call predecessors, (1897), 1843 states have call successors, (1897) [2022-02-24 04:50:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 9914 transitions. [2022-02-24 04:50:45,657 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 9914 transitions. Word has length 62 [2022-02-24 04:50:45,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:50:45,657 INFO L470 AbstractCegarLoop]: Abstraction has 6861 states and 9914 transitions. [2022-02-24 04:50:45,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 4 states have return successors, (7), 4 states have call predecessors, (7), 1 states have call successors, (7) [2022-02-24 04:50:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 9914 transitions. [2022-02-24 04:50:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-24 04:50:45,659 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:50:45,659 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:50:45,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 04:50:45,659 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:50:45,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:50:45,659 INFO L85 PathProgramCache]: Analyzing trace with hash 445510902, now seen corresponding path program 1 times [2022-02-24 04:50:45,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:50:45,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189726464] [2022-02-24 04:50:45,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:50:45,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:50:45,674 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:50:45,674 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:50:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:50:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:50:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:50:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-24 04:50:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:50:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-24 04:50:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:50:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:50:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:50:46,045 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:50:46,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189726464] [2022-02-24 04:50:46,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [189726464] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:50:46,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:50:46,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-24 04:50:46,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319165972] [2022-02-24 04:50:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:50:46,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-24 04:50:46,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:50:46,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-24 04:50:46,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-02-24 04:50:46,046 INFO L87 Difference]: Start difference. First operand 6861 states and 9914 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-02-24 04:50:52,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:54,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:50:56,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:01,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:04,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:06,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:08,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:10,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:12,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:21,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:23,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:25,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:27,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:28,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 04:51:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 04:51:45,261 INFO L93 Difference]: Finished difference Result 8917 states and 13221 transitions. [2022-02-24 04:51:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-24 04:51:45,263 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2022-02-24 04:51:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 04:51:45,282 INFO L225 Difference]: With dead ends: 8917 [2022-02-24 04:51:45,282 INFO L226 Difference]: Without dead ends: 8872 [2022-02-24 04:51:45,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-24 04:51:45,285 INFO L933 BasicCegarLoop]: 2419 mSDtfsCounter, 5599 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 14234 mSolverCounterSat, 4187 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5812 SdHoareTripleChecker+Valid, 4405 SdHoareTripleChecker+Invalid, 18429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4187 IncrementalHoareTripleChecker+Valid, 14234 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.0s IncrementalHoareTripleChecker+Time [2022-02-24 04:51:45,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5812 Valid, 4405 Invalid, 18429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4187 Valid, 14234 Invalid, 8 Unknown, 0 Unchecked, 53.0s Time] [2022-02-24 04:51:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8872 states. [2022-02-24 04:51:48,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8872 to 6856. [2022-02-24 04:51:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 4538 states have (on average 1.3569854561480827) internal successors, (6158), 4651 states have internal predecessors, (6158), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 463 states have return successors, (1894), 1838 states have call predecessors, (1894), 1843 states have call successors, (1894) [2022-02-24 04:51:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9906 transitions. [2022-02-24 04:51:48,038 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9906 transitions. Word has length 62 [2022-02-24 04:51:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 04:51:48,039 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9906 transitions. [2022-02-24 04:51:48,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-02-24 04:51:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9906 transitions. [2022-02-24 04:51:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-24 04:51:48,040 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 04:51:48,040 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 04:51:48,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-24 04:51:48,040 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 04:51:48,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 04:51:48,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1785236129, now seen corresponding path program 1 times [2022-02-24 04:51:48,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 04:51:48,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562359111] [2022-02-24 04:51:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 04:51:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 04:51:48,055 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-24 04:51:48,055 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 04:51:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 04:51:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 04:51:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 04:51:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 04:51:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 04:51:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 04:51:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 04:51:48,402 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 04:51:48,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562359111] [2022-02-24 04:51:48,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [562359111] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 04:51:48,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 04:51:48,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-24 04:51:48,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068530059] [2022-02-24 04:51:48,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 04:51:48,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-24 04:51:48,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 04:51:48,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-24 04:51:48,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-02-24 04:51:48,403 INFO L87 Difference]: Start difference. First operand 6856 states and 9906 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5)