/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 02:11:46,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 02:11:46,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 02:11:46,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 02:11:46,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 02:11:46,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 02:11:46,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 02:11:46,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 02:11:46,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 02:11:46,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 02:11:46,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 02:11:46,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 02:11:46,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 02:11:46,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 02:11:46,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 02:11:46,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 02:11:46,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 02:11:46,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 02:11:46,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 02:11:46,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 02:11:46,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 02:11:46,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 02:11:46,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 02:11:46,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 02:11:46,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 02:11:46,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 02:11:46,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 02:11:46,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 02:11:46,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-24 02:11:46,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 02:11:46,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 02:11:46,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 02:11:46,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 02:11:46,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-24 02:11:46,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 02:11:46,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 02:11:46,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 02:11:46,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 02:11:46,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 02:11:46,872 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-24 02:11:46,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 02:11:47,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 02:11:47,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 02:11:47,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 02:11:47,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 02:11:47,080 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 02:11:47,081 INFO L432 ainManager$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 02:11:47,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fc90539/350107d3048649768944acb9c63a4abf/FLAGc40db494d [2022-02-24 02:11:47,666 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 02:11:47,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-02-24 02:11:47,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fc90539/350107d3048649768944acb9c63a4abf/FLAGc40db494d [2022-02-24 02:11:47,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5fc90539/350107d3048649768944acb9c63a4abf [2022-02-24 02:11:47,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 02:11:47,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 02:11:47,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 02:11:47,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 02:11:47,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 02:11:47,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 02:11:47" (1/1) ... [2022-02-24 02:11:47,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f20d39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:47, skipping insertion in model container [2022-02-24 02:11:47,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 02:11:47" (1/1) ... [2022-02-24 02:11:47,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 02:11:47,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 02:11:48,598 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 02:11:49,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 02:11:49,214 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 02:11:49,248 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 02:11:49,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 02:11:49,451 INFO L208 MainTranslator]: Completed translation [2022-02-24 02:11:49,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49 WrapperNode [2022-02-24 02:11:49,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 02:11:49,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 02:11:49,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 02:11:49,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 02:11:49,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 02:11:49,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 02:11:49,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 02:11:49,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 02:11:49,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (1/1) ... [2022-02-24 02:11:49,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 02:11:49,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 02:11:49,781 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 02:11:49,791 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 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~TO~VOID [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlIntegerToUnicodeString [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlUnicodeStringToInteger [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2022-02-24 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAppendUnicodeStringToString [2022-02-24 02:11:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeDpc [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInsertQueueDpc [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireCancelSpinLock [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoConnectInterrupt [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoInitializeRemoveLockEx [2022-02-24 02:11:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockEx [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockAndWaitEx [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfReferenceObject [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwQueryValueKey [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwSetValueKey [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2022-02-24 02:11:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpPnpIrpInfo [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLockAndWait [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceList [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptUnload [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCleanRemovalRelationsList [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAddPptRemovalRelation [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRemovePptRemovalRelation [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpPptRemovalRelationsStruct [2022-02-24 02:11:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchInternalDeviceControl [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCreate [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchClose [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfNon1284_3Present [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStl1284_3 [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStlProductId [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectChipFilter [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortType [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortCapabilities [2022-02-24 02:11:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfUserRequested [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetChipMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearChipMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckByteMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFindNatChip [2022-02-24 02:11:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildResourceList [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBuildRemovalRelations [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanPciCardCmResourceList [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsPci [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpInitDispatchFunctionTable [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpAddDevice [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPnp [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartDevice [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanCmResourceList [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartValidateResources [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterResourceRequirements [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-24 02:11:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryDeviceRelations [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryStopDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelStopDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStopDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryRemoveDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelRemoveDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpRemoveDevice [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpSurpriseRemoval [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2022-02-24 02:11:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure InitNEC_98 [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPower [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipCheckDevice [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegInitDriverSettings [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegGetDeviceParameterDword [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegSetDeviceParameterDword [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPreProcessIrp [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPostProcessIrp [2022-02-24 02:11:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptConnectInterrupt [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedRead [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedQueue [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDisconnect [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCancelRoutine [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortDpc [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePortAtInterruptLevel [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortFromInterruptLevel [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInterruptService [2022-02-24 02:11:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePort [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTraversePortCheckList [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptQueryNumWaiters [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildParallelPortDeviceName [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitializeDeviceExtension [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNumberFromLptName [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildDeviceObject [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiInitWmi [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchSystemControl [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiRegInfo [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiDataBlock [2022-02-24 02:11:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-02-24 02:11:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-24 02:11:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-24 02:11:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-02-24 02:11:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2022-02-24 02:11:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-24 02:11:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-24 02:11:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-24 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlIntegerToUnicodeString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlUnicodeStringToInteger [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAppendUnicodeStringToString [2022-02-24 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeDpc [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeInsertQueueDpc [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-02-24 02:11:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-02-24 02:11:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireCancelSpinLock [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoConnectInterrupt [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-02-24 02:11:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoInitializeRemoveLockEx [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockEx [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockAndWaitEx [2022-02-24 02:11:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ObfReferenceObject [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ZwQueryValueKey [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ZwSetValueKey [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-02-24 02:11:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiInitWmi [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchSystemControl [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpInitDispatchFunctionTable [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpAddDevice [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPnp [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPreProcessIrp [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPostProcessIrp [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptUnload [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptConnectInterrupt [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCreate [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchClose [2022-02-24 02:11:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedRead [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedQueue [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDisconnect [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptCancelRoutine [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortDpc [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePortAtInterruptLevel [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortFromInterruptLevel [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptInterruptService [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePort [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptTraversePortCheckList [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptQueryNumWaiters [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchInternalDeviceControl [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPower [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegInitDriverSettings [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-24 02:11:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpPnpIrpInfo [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLockAndWait [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceList [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectChipFilter [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortType [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetChipMode [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearChipMode [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2022-02-24 02:11:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegGetDeviceParameterDword [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegSetDeviceParameterDword [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildParallelPortDeviceName [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitializeDeviceExtension [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNumberFromLptName [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildDeviceObject [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptCleanRemovalRelationsList [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptAddPptRemovalRelation [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptRemovePptRemovalRelation [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpPptRemovalRelationsStruct [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStl1284_3 [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfNon1284_3Present [2022-02-24 02:11:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStlProductId [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortCapabilities [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfUserRequested [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptFindNatChip [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildResourceList [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckByteMode [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterResourceRequirements [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryDeviceRelations [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryStopDevice [2022-02-24 02:11:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelStopDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStopDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryRemoveDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelRemoveDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpRemoveDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpSurpriseRemoval [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartDevice [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartValidateResources [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanCmResourceList [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2022-02-24 02:11:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBuildRemovalRelations [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanPciCardCmResourceList [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsPci [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure InitNEC_98 [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipCheckDevice [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~TO~VOID [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiRegInfo [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiDataBlock [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-24 02:11:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 02:11:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-24 02:11:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-24 02:11:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-24 02:11:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-24 02:11:50,519 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 02:11:50,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 02:11:50,535 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:50,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:50,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:50,716 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:50,838 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-02-24 02:11:50,838 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-02-24 02:11:50,856 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:50,877 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-24 02:11:50,877 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-24 02:11:50,878 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:50,884 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:50,884 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:50,991 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,021 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-02-24 02:11:51,021 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-02-24 02:11:51,021 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,027 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:51,027 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:51,179 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,192 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:51,192 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:51,275 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,295 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 02:11:51,295 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 02:11:51,348 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-24 02:11:51,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-24 02:11:51,378 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,388 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 02:11:51,389 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 02:11:51,401 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:51,405 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:51,405 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:51,539 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:54,680 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-02-24 02:11:54,680 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-02-24 02:11:56,788 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:56,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:56,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:56,857 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:56,858 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:57,500 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-02-24 02:11:57,500 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-02-24 02:11:57,500 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-02-24 02:11:57,500 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-02-24 02:11:57,711 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:57,715 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:57,715 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:57,799 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:57,804 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:57,804 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:57,954 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:57,958 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:57,958 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:57,958 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:57,969 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:57,969 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:57,985 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,000 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,000 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,000 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,005 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,005 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,005 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,011 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,011 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,133 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,136 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,137 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,143 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,146 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,147 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,199 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,203 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,203 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,212 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,215 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,215 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,520 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,524 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:58,532 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-02-24 02:11:58,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-02-24 02:11:58,572 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,698 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !false; [2022-02-24 02:11:58,698 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume false; [2022-02-24 02:11:58,966 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:58,969 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:11:58,970 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:11:59,090 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:11:59,124 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-02-24 02:11:59,124 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-02-24 02:11:59,173 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:00,742 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-24 02:12:00,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-24 02:12:00,770 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:00,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 02:12:00,791 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 02:12:00,791 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:00,805 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-24 02:12:00,805 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-24 02:12:00,827 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:00,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-24 02:12:00,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-24 02:12:00,935 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:00,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 02:12:00,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 02:12:01,075 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 02:12:01,091 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-02-24 02:12:01,091 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-02-24 02:12:01,154 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 02:12:01,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 02:12:01,176 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2022-02-24 02:12:01,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 02:12:01 BoogieIcfgContainer [2022-02-24 02:12:01,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 02:12:01,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 02:12:01,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 02:12:01,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 02:12:01,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 02:11:47" (1/3) ... [2022-02-24 02:12:01,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343f5514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 02:12:01, skipping insertion in model container [2022-02-24 02:12:01,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 02:11:49" (2/3) ... [2022-02-24 02:12:01,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343f5514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 02:12:01, skipping insertion in model container [2022-02-24 02:12:01,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 02:12:01" (3/3) ... [2022-02-24 02:12:01,186 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-2.c [2022-02-24 02:12:01,190 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 02:12:01,190 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 02:12:01,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 02:12:01,240 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-24 02:12:01,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 02:12:01,282 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 02:12:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-24 02:12:01,288 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:12:01,288 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 02:12:01,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:12:01,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:12:01,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2073400986, now seen corresponding path program 1 times [2022-02-24 02:12:01,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:12:01,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125332862] [2022-02-24 02:12:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:12:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:12:01,407 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 02:12:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:12:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 02:12:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:01,959 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 02:12:01,961 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:12:01,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125332862] [2022-02-24 02:12:01,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1125332862] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:12:01,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:12:01,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 02:12:01,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080989517] [2022-02-24 02:12:01,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:12:01,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 02:12:01,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:12:01,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 02:12:01,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-24 02:12:01,987 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 02:12:04,950 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 02:12:07,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:12:11,305 WARN L534 Checker$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 02:12:15,685 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 02:12:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:12:20,797 INFO L93 Difference]: Finished difference Result 4216 states and 6551 transitions. [2022-02-24 02:12:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 02:12:20,801 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 02:12:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:12:20,830 INFO L225 Difference]: With dead ends: 4216 [2022-02-24 02:12:20,830 INFO L226 Difference]: Without dead ends: 2226 [2022-02-24 02:12:20,850 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 02:12:20,852 INFO L933 BasicCegarLoop]: 2421 mSDtfsCounter, 3234 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s 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, 18.1s IncrementalHoareTripleChecker+Time [2022-02-24 02:12:20,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 2782 Invalid, 5327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 3764 Invalid, 2 Unknown, 0 Unchecked, 18.1s Time] [2022-02-24 02:12:20,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-02-24 02:12:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1985. [2022-02-24 02:12:21,277 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 02:12:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2849 transitions. [2022-02-24 02:12:21,288 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2849 transitions. Word has length 22 [2022-02-24 02:12:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:12:21,289 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2849 transitions. [2022-02-24 02:12:21,289 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 02:12:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2849 transitions. [2022-02-24 02:12:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-24 02:12:21,290 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:12:21,290 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 02:12:21,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 02:12:21,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:12:21,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:12:21,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1828450504, now seen corresponding path program 1 times [2022-02-24 02:12:21,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:12:21,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374997502] [2022-02-24 02:12:21,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:12:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:12:21,319 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:12:21,319 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:12:21,319 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:12:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:12:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-24 02:12:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 02:12:21,608 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:12:21,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374997502] [2022-02-24 02:12:21,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1374997502] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:12:21,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:12:21,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 02:12:21,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619764895] [2022-02-24 02:12:21,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:12:21,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 02:12:21,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:12:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 02:12:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 02:12:21,610 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 02:12:27,381 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 02:12:29,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:12:34,877 WARN L534 Checker$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 02:12:36,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:12:43,377 WARN L534 Checker$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 02:12:44,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:12:50,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:12:50,630 INFO L93 Difference]: Finished difference Result 4204 states and 6084 transitions. [2022-02-24 02:12:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 02:12:50,633 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 02:12:50,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:12:50,644 INFO L225 Difference]: With dead ends: 4204 [2022-02-24 02:12:50,644 INFO L226 Difference]: Without dead ends: 2228 [2022-02-24 02:12:50,649 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 02:12:50,650 INFO L933 BasicCegarLoop]: 2407 mSDtfsCounter, 1661 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 6951 mSolverCounterSat, 587 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s 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, 28.3s IncrementalHoareTripleChecker+Time [2022-02-24 02:12:50,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2064 Valid, 3039 Invalid, 7542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [587 Valid, 6951 Invalid, 4 Unknown, 0 Unchecked, 28.3s Time] [2022-02-24 02:12:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-02-24 02:12:50,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1987. [2022-02-24 02:12:50,943 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 02:12:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2851 transitions. [2022-02-24 02:12:50,950 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2851 transitions. Word has length 24 [2022-02-24 02:12:50,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:12:50,951 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2851 transitions. [2022-02-24 02:12:50,951 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 02:12:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2851 transitions. [2022-02-24 02:12:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-24 02:12:50,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:12:50,952 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 02:12:50,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 02:12:50,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:12:50,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:12:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2001282986, now seen corresponding path program 2 times [2022-02-24 02:12:50,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:12:50,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6943800] [2022-02-24 02:12:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:12:50,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:12:50,973 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:12:50,974 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:12:50,974 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:12:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:12:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:12:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:12:51,349 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 02:12:51,349 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:12:51,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6943800] [2022-02-24 02:12:51,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [6943800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:12:51,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:12:51,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 02:12:51,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875301812] [2022-02-24 02:12:51,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:12:51,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 02:12:51,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:12:51,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 02:12:51,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-24 02:12:51,350 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 02:12:55,982 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 02:12:58,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:00,839 WARN L534 Checker$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 02:13:02,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:08,274 WARN L534 Checker$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 02:13:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:13:13,227 INFO L93 Difference]: Finished difference Result 2247 states and 3269 transitions. [2022-02-24 02:13:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 02:13:13,227 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 02:13:13,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:13:13,236 INFO L225 Difference]: With dead ends: 2247 [2022-02-24 02:13:13,236 INFO L226 Difference]: Without dead ends: 2227 [2022-02-24 02:13:13,236 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 02:13:13,238 INFO L933 BasicCegarLoop]: 2408 mSDtfsCounter, 1666 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 587 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-02-24 02:13:13,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2069 Valid, 2731 Invalid, 4916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [587 Valid, 4325 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2022-02-24 02:13:13,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-02-24 02:13:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1987. [2022-02-24 02:13:13,550 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 02:13:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2850 transitions. [2022-02-24 02:13:13,557 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2850 transitions. Word has length 26 [2022-02-24 02:13:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:13:13,558 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2850 transitions. [2022-02-24 02:13:13,559 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 02:13:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2850 transitions. [2022-02-24 02:13:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-24 02:13:13,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:13:13,562 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 02:13:13,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 02:13:13,563 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:13:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:13:13,564 INFO L85 PathProgramCache]: Analyzing trace with hash 685714251, now seen corresponding path program 1 times [2022-02-24 02:13:13,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:13:13,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535659540] [2022-02-24 02:13:13,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:13:13,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:13:13,586 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:13:13,587 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:13:13,587 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:13:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:13:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:13:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:13:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:13,953 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 02:13:13,953 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:13:13,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535659540] [2022-02-24 02:13:13,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1535659540] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:13:13,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:13:13,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 02:13:13,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111139672] [2022-02-24 02:13:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:13:13,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 02:13:13,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:13:13,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 02:13:13,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 02:13:13,954 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 02:13:18,708 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 02:13:32,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:13:32,633 INFO L93 Difference]: Finished difference Result 5164 states and 7515 transitions. [2022-02-24 02:13:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 02:13:32,633 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 02:13:32,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:13:32,648 INFO L225 Difference]: With dead ends: 5164 [2022-02-24 02:13:32,648 INFO L226 Difference]: Without dead ends: 3851 [2022-02-24 02:13:32,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 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 02:13:32,652 INFO L933 BasicCegarLoop]: 2637 mSDtfsCounter, 7556 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4011 mSolverCounterSat, 4002 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7936 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 8014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4002 IncrementalHoareTripleChecker+Valid, 4011 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-02-24 02:13:32,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7936 Valid, 3133 Invalid, 8014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4002 Valid, 4011 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2022-02-24 02:13:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2022-02-24 02:13:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3718. [2022-02-24 02:13:33,252 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 02:13:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5394 transitions. [2022-02-24 02:13:33,264 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5394 transitions. Word has length 35 [2022-02-24 02:13:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:13:33,264 INFO L470 AbstractCegarLoop]: Abstraction has 3718 states and 5394 transitions. [2022-02-24 02:13:33,265 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 02:13:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5394 transitions. [2022-02-24 02:13:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-24 02:13:33,271 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:13:33,271 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 02:13:33,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 02:13:33,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:13:33,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:13:33,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1042375609, now seen corresponding path program 1 times [2022-02-24 02:13:33,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:13:33,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086305272] [2022-02-24 02:13:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:13:33,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:13:33,292 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:13:33,292 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:13:33,292 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:13:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:13:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:13:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:13:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 02:13:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:13:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:13:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:13:33,771 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 02:13:33,772 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:13:33,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086305272] [2022-02-24 02:13:33,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2086305272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:13:33,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:13:33,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:13:33,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386645280] [2022-02-24 02:13:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:13:33,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:13:33,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:13:33,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:13:33,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:13:33,774 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 02:13:40,546 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 02:13:42,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:43,772 WARN L534 Checker$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 02:13:45,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:47,956 WARN L534 Checker$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 02:13:49,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:54,890 WARN L534 Checker$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 02:13:56,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:13:59,028 WARN L534 Checker$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 02:14:05,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:06,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:08,752 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 02:14:25,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:14:25,445 INFO L93 Difference]: Finished difference Result 5360 states and 7828 transitions. [2022-02-24 02:14:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-24 02:14:25,446 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 02:14:25,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:14:25,467 INFO L225 Difference]: With dead ends: 5360 [2022-02-24 02:14:25,468 INFO L226 Difference]: Without dead ends: 5349 [2022-02-24 02:14:25,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-24 02:14:25,470 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 8270 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 9786 mSolverCounterSat, 6374 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8308 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 16169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6374 IncrementalHoareTripleChecker+Valid, 9786 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.6s IncrementalHoareTripleChecker+Time [2022-02-24 02:14:25,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8308 Valid, 3921 Invalid, 16169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6374 Valid, 9786 Invalid, 9 Unknown, 0 Unchecked, 48.6s Time] [2022-02-24 02:14:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-02-24 02:14:26,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4533. [2022-02-24 02:14:26,433 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 02:14:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6567 transitions. [2022-02-24 02:14:26,445 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6567 transitions. Word has length 51 [2022-02-24 02:14:26,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:14:26,447 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6567 transitions. [2022-02-24 02:14:26,447 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 02:14:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6567 transitions. [2022-02-24 02:14:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-24 02:14:26,450 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:14:26,450 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 02:14:26,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 02:14:26,451 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:14:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:14:26,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1810806331, now seen corresponding path program 1 times [2022-02-24 02:14:26,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:14:26,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169794511] [2022-02-24 02:14:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:14:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:14:26,468 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:14:26,468 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:14:26,468 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:14:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:14:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:14:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:14:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 02:14:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:14:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:14:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:14:26,937 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 02:14:26,937 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:14:26,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169794511] [2022-02-24 02:14:26,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1169794511] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:14:26,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:14:26,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:14:26,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185662063] [2022-02-24 02:14:26,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:14:26,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:14:26,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:14:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:14:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:14:26,938 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 02:14:34,092 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 02:14:35,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:37,299 WARN L534 Checker$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 02:14:39,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:41,355 WARN L534 Checker$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 02:14:45,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:48,928 WARN L534 Checker$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 02:14:50,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:14:58,283 WARN L534 Checker$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 02:15:00,887 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 02:15:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:15:18,469 INFO L93 Difference]: Finished difference Result 5351 states and 7813 transitions. [2022-02-24 02:15:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-24 02:15:18,469 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 02:15:18,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:15:18,491 INFO L225 Difference]: With dead ends: 5351 [2022-02-24 02:15:18,491 INFO L226 Difference]: Without dead ends: 5343 [2022-02-24 02:15:18,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-24 02:15:18,495 INFO L933 BasicCegarLoop]: 2995 mSDtfsCounter, 10147 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 9696 mSolverCounterSat, 7954 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10185 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 17656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7954 IncrementalHoareTripleChecker+Valid, 9696 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time [2022-02-24 02:15:18,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10185 Valid, 3975 Invalid, 17656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7954 Valid, 9696 Invalid, 6 Unknown, 0 Unchecked, 47.9s Time] [2022-02-24 02:15:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2022-02-24 02:15:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 4533. [2022-02-24 02:15:19,656 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 02:15:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6566 transitions. [2022-02-24 02:15:19,685 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6566 transitions. Word has length 52 [2022-02-24 02:15:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:15:19,685 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6566 transitions. [2022-02-24 02:15:19,685 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 02:15:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6566 transitions. [2022-02-24 02:15:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 02:15:19,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:15:19,696 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 02:15:19,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 02:15:19,696 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:15:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:15:19,697 INFO L85 PathProgramCache]: Analyzing trace with hash 889605838, now seen corresponding path program 1 times [2022-02-24 02:15:19,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:15:19,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427483868] [2022-02-24 02:15:19,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:15:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:15:19,740 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:15:19,740 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:15:19,741 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:15:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:15:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:15:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:15:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-24 02:15:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:20,247 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 02:15:20,247 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:15:20,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427483868] [2022-02-24 02:15:20,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1427483868] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:15:20,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:15:20,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 02:15:20,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100288387] [2022-02-24 02:15:20,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:15:20,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 02:15:20,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:15:20,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 02:15:20,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 02:15:20,249 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 02:15:24,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:15:26,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:15:28,312 WARN L534 Checker$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 02:15:30,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:15:33,329 WARN L534 Checker$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 02:15:47,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:15:47,354 INFO L93 Difference]: Finished difference Result 7586 states and 10960 transitions. [2022-02-24 02:15:47,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 02:15:47,354 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 02:15:47,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:15:47,384 INFO L225 Difference]: With dead ends: 7586 [2022-02-24 02:15:47,384 INFO L226 Difference]: Without dead ends: 7192 [2022-02-24 02:15:47,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 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 02:15:47,389 INFO L933 BasicCegarLoop]: 3297 mSDtfsCounter, 6086 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 3423 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s 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, 24.7s IncrementalHoareTripleChecker+Time [2022-02-24 02:15:47,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6473 Valid, 3539 Invalid, 7582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3423 Valid, 4157 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2022-02-24 02:15:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7192 states. [2022-02-24 02:15:49,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7192 to 7029. [2022-02-24 02:15:49,074 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 02:15:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10209 transitions. [2022-02-24 02:15:49,095 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10209 transitions. Word has length 53 [2022-02-24 02:15:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:15:49,095 INFO L470 AbstractCegarLoop]: Abstraction has 7029 states and 10209 transitions. [2022-02-24 02:15:49,095 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 02:15:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10209 transitions. [2022-02-24 02:15:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 02:15:49,097 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:15:49,097 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 02:15:49,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 02:15:49,097 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:15:49,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:15:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash 31359280, now seen corresponding path program 1 times [2022-02-24 02:15:49,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:15:49,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036382637] [2022-02-24 02:15:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:15:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:15:49,115 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:15:49,116 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:15:49,116 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:15:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:15:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:15:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:15:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 02:15:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:15:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:15:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:15:49,526 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 02:15:49,526 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:15:49,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036382637] [2022-02-24 02:15:49,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1036382637] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:15:49,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:15:49,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-24 02:15:49,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157707504] [2022-02-24 02:15:49,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:15:49,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-24 02:15:49,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:15:49,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-24 02:15:49,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-24 02:15:49,527 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 02:15:55,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:16:00,968 WARN L534 Checker$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 02:16:02,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:16:06,302 WARN L534 Checker$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 02:16:17,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:16:17,381 INFO L93 Difference]: Finished difference Result 8265 states and 12062 transitions. [2022-02-24 02:16:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 02:16:17,382 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 02:16:17,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:16:17,412 INFO L225 Difference]: With dead ends: 8265 [2022-02-24 02:16:17,412 INFO L226 Difference]: Without dead ends: 8236 [2022-02-24 02:16:17,415 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 02:16:17,416 INFO L933 BasicCegarLoop]: 2147 mSDtfsCounter, 5203 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 3614 mSolverCounterSat, 3237 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s 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, 24.5s IncrementalHoareTripleChecker+Time [2022-02-24 02:16:17,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5274 Valid, 2794 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3237 Valid, 3614 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2022-02-24 02:16:17,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2022-02-24 02:16:19,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 7062. [2022-02-24 02:16:19,338 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 02:16:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10242 transitions. [2022-02-24 02:16:19,363 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10242 transitions. Word has length 53 [2022-02-24 02:16:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:16:19,363 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10242 transitions. [2022-02-24 02:16:19,364 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 02:16:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10242 transitions. [2022-02-24 02:16:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-24 02:16:19,367 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:16:19,367 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 02:16:19,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 02:16:19,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:16:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:16:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1793225756, now seen corresponding path program 1 times [2022-02-24 02:16:19,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:16:19,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297194082] [2022-02-24 02:16:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:16:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:16:19,389 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:16:19,389 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:16:19,389 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:16:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:16:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:16:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:16:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-24 02:16:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:19,784 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 02:16:19,784 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:16:19,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297194082] [2022-02-24 02:16:19,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1297194082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:16:19,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:16:19,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 02:16:19,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946186529] [2022-02-24 02:16:19,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:16:19,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 02:16:19,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:16:19,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 02:16:19,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-24 02:16:19,786 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 02:16:24,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:16:26,182 WARN L534 Checker$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 02:16:29,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:16:31,432 WARN L534 Checker$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 02:16:33,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:16:35,474 WARN L534 Checker$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 02:16:39,047 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 02:16:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:16:48,792 INFO L93 Difference]: Finished difference Result 7158 states and 10373 transitions. [2022-02-24 02:16:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 02:16:48,793 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 02:16:48,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:16:48,819 INFO L225 Difference]: With dead ends: 7158 [2022-02-24 02:16:48,819 INFO L226 Difference]: Without dead ends: 7155 [2022-02-24 02:16:48,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-24 02:16:48,824 INFO L933 BasicCegarLoop]: 2411 mSDtfsCounter, 4868 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 2518 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 6249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2518 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-02-24 02:16:48,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5271 Valid, 2726 Invalid, 6249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2518 Valid, 3726 Invalid, 5 Unknown, 0 Unchecked, 26.4s Time] [2022-02-24 02:16:48,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7155 states. [2022-02-24 02:16:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7155 to 7062. [2022-02-24 02:16:50,647 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 02:16:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10241 transitions. [2022-02-24 02:16:50,719 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10241 transitions. Word has length 53 [2022-02-24 02:16:50,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:16:50,719 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10241 transitions. [2022-02-24 02:16:50,719 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 02:16:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10241 transitions. [2022-02-24 02:16:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-24 02:16:50,721 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:16:50,721 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 02:16:50,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 02:16:50,721 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:16:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:16:50,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1602343544, now seen corresponding path program 1 times [2022-02-24 02:16:50,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:16:50,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584883399] [2022-02-24 02:16:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:16:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:16:50,739 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:16:50,739 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:16:50,739 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:16:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:16:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:16:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:16:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 02:16:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-24 02:16:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:16:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 02:16:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:16:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:16:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:16:51,189 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 02:16:51,189 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:16:51,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584883399] [2022-02-24 02:16:51,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [584883399] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:16:51,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:16:51,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:16:51,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494528188] [2022-02-24 02:16:51,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:16:51,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:16:51,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:16:51,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:16:51,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:16:51,191 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 02:16:57,263 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 02:16:58,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:00,515 WARN L534 Checker$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 02:17:02,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:04,571 WARN L534 Checker$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 02:17:06,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:11,132 WARN L534 Checker$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 02:17:13,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:18,039 WARN L534 Checker$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 02:17:20,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:22,088 WARN L534 Checker$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 02:17:23,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:17:39,691 INFO L93 Difference]: Finished difference Result 14528 states and 21164 transitions. [2022-02-24 02:17:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 02:17:39,699 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 02:17:39,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:17:39,725 INFO L225 Difference]: With dead ends: 14528 [2022-02-24 02:17:39,725 INFO L226 Difference]: Without dead ends: 8139 [2022-02-24 02:17:39,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-02-24 02:17:39,743 INFO L933 BasicCegarLoop]: 2242 mSDtfsCounter, 2847 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 10753 mSolverCounterSat, 1892 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s 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, 44.8s IncrementalHoareTripleChecker+Time [2022-02-24 02:17:39,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3056 Valid, 3530 Invalid, 12653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1892 Valid, 10753 Invalid, 8 Unknown, 0 Unchecked, 44.8s Time] [2022-02-24 02:17:39,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8139 states. [2022-02-24 02:17:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8139 to 7066. [2022-02-24 02:17:41,660 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 02:17:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 10246 transitions. [2022-02-24 02:17:41,693 INFO L78 Accepts]: Start accepts. Automaton has 7066 states and 10246 transitions. Word has length 71 [2022-02-24 02:17:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:17:41,694 INFO L470 AbstractCegarLoop]: Abstraction has 7066 states and 10246 transitions. [2022-02-24 02:17:41,694 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 02:17:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7066 states and 10246 transitions. [2022-02-24 02:17:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-24 02:17:41,695 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:17:41,695 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 02:17:41,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 02:17:41,696 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:17:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:17:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash -581333383, now seen corresponding path program 1 times [2022-02-24 02:17:41,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:17:41,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798216395] [2022-02-24 02:17:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:17:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:17:41,717 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:17:41,717 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:17:41,717 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:17:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:17:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:17:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:17:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 02:17:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-24 02:17:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:17:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-24 02:17:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:17:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:17:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:17:42,199 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 02:17:42,199 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:17:42,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798216395] [2022-02-24 02:17:42,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [798216395] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:17:42,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:17:42,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-24 02:17:42,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201101366] [2022-02-24 02:17:42,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:17:42,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-24 02:17:42,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:17:42,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-24 02:17:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-24 02:17:42,200 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 02:17:48,379 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 02:17:49,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:52,088 WARN L534 Checker$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 02:17:54,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:17:56,155 WARN L534 Checker$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 02:17:58,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:00,204 WARN L534 Checker$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 02:18:05,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:07,123 WARN L534 Checker$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 02:18:09,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:18,107 WARN L534 Checker$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 02:18:20,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:21,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:23,661 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 02:18:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:18:37,616 INFO L93 Difference]: Finished difference Result 13362 states and 19416 transitions. [2022-02-24 02:18:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 02:18:37,618 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 02:18:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:18:37,643 INFO L225 Difference]: With dead ends: 13362 [2022-02-24 02:18:37,643 INFO L226 Difference]: Without dead ends: 7930 [2022-02-24 02:18:37,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-02-24 02:18:37,659 INFO L933 BasicCegarLoop]: 2231 mSDtfsCounter, 6274 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 13496 mSolverCounterSat, 4140 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6483 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 17646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4140 IncrementalHoareTripleChecker+Valid, 13496 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-02-24 02:18:37,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6483 Valid, 3920 Invalid, 17646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4140 Valid, 13496 Invalid, 10 Unknown, 0 Unchecked, 51.8s Time] [2022-02-24 02:18:37,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7930 states. [2022-02-24 02:18:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7930 to 6889. [2022-02-24 02:18:39,604 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 02:18:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6889 states to 6889 states and 9956 transitions. [2022-02-24 02:18:39,623 INFO L78 Accepts]: Start accepts. Automaton has 6889 states and 9956 transitions. Word has length 71 [2022-02-24 02:18:39,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:18:39,623 INFO L470 AbstractCegarLoop]: Abstraction has 6889 states and 9956 transitions. [2022-02-24 02:18:39,623 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 02:18:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6889 states and 9956 transitions. [2022-02-24 02:18:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 02:18:39,627 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:18:39,627 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 02:18:39,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 02:18:39,627 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:18:39,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:18:39,627 INFO L85 PathProgramCache]: Analyzing trace with hash 978653891, now seen corresponding path program 1 times [2022-02-24 02:18:39,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:18:39,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558478387] [2022-02-24 02:18:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:18:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:18:39,644 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:18:39,644 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:18:39,644 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:18:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:18:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:18:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:18:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-24 02:18:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:18:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:18:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:18:40,054 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 02:18:40,054 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:18:40,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558478387] [2022-02-24 02:18:40,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1558478387] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:18:40,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:18:40,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:18:40,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664359906] [2022-02-24 02:18:40,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:18:40,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:18:40,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:18:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:18:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:18:40,055 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 02:18:45,868 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 02:18:47,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:49,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:51,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:53,519 WARN L534 Checker$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 02:18:55,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:18:57,572 WARN L534 Checker$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 02:19:01,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:04,478 WARN L534 Checker$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 02:19:11,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:12,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:14,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:16,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:28,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:19:28,382 INFO L93 Difference]: Finished difference Result 7942 states and 11580 transitions. [2022-02-24 02:19:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 02:19:28,383 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 02:19:28,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:19:28,404 INFO L225 Difference]: With dead ends: 7942 [2022-02-24 02:19:28,405 INFO L226 Difference]: Without dead ends: 7900 [2022-02-24 02:19:28,412 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 02:19:28,413 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 2820 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 11202 mSolverCounterSat, 1853 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 13061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 11202 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2022-02-24 02:19:28,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3029 Valid, 3485 Invalid, 13061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1853 Valid, 11202 Invalid, 6 Unknown, 0 Unchecked, 44.9s Time] [2022-02-24 02:19:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-02-24 02:19:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 6863. [2022-02-24 02:19:30,428 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 02:19:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 9919 transitions. [2022-02-24 02:19:30,444 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 9919 transitions. Word has length 54 [2022-02-24 02:19:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:19:30,445 INFO L470 AbstractCegarLoop]: Abstraction has 6863 states and 9919 transitions. [2022-02-24 02:19:30,445 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 02:19:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 9919 transitions. [2022-02-24 02:19:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-24 02:19:30,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:19:30,446 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 02:19:30,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 02:19:30,446 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:19:30,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:19:30,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1080534857, now seen corresponding path program 1 times [2022-02-24 02:19:30,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:19:30,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740762309] [2022-02-24 02:19:30,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:19:30,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:19:30,462 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:19:30,463 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:19:30,463 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:19:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:19:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:19:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:19:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-24 02:19:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-24 02:19:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:19:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:19:30,839 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 02:19:30,839 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:19:30,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740762309] [2022-02-24 02:19:30,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [740762309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:19:30,839 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:19:30,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:19:30,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919001430] [2022-02-24 02:19:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:19:30,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:19:30,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:19:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:19:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:19:30,840 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 02:19:34,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:37,158 WARN L534 Checker$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 02:19:39,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:43,303 WARN L534 Checker$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 02:19:44,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:48,320 WARN L534 Checker$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 02:19:50,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:19:52,384 WARN L534 Checker$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 02:19:54,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:02,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:04,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:06,373 WARN L534 Checker$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 02:20:08,399 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 02:20:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:20:22,421 INFO L93 Difference]: Finished difference Result 7915 states and 11542 transitions. [2022-02-24 02:20:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 02:20:22,422 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 02:20:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:20:22,444 INFO L225 Difference]: With dead ends: 7915 [2022-02-24 02:20:22,444 INFO L226 Difference]: Without dead ends: 7898 [2022-02-24 02:20:22,447 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 02:20:22,448 INFO L933 BasicCegarLoop]: 2380 mSDtfsCounter, 4504 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 10807 mSolverCounterSat, 2862 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s 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, 47.9s IncrementalHoareTripleChecker+Time [2022-02-24 02:20:22,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4712 Valid, 4337 Invalid, 13677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2862 Valid, 10807 Invalid, 8 Unknown, 0 Unchecked, 47.9s Time] [2022-02-24 02:20:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-02-24 02:20:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 6861. [2022-02-24 02:20:24,641 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 02:20:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 9915 transitions. [2022-02-24 02:20:24,661 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 9915 transitions. Word has length 58 [2022-02-24 02:20:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:20:24,661 INFO L470 AbstractCegarLoop]: Abstraction has 6861 states and 9915 transitions. [2022-02-24 02:20:24,661 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 02:20:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 9915 transitions. [2022-02-24 02:20:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 02:20:24,662 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:20:24,662 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 02:20:24,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 02:20:24,663 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:20:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:20:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1909970758, now seen corresponding path program 1 times [2022-02-24 02:20:24,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:20:24,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098891714] [2022-02-24 02:20:24,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:20:24,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:20:24,680 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:20:24,681 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:20:24,681 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:20:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:20:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:20:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:20:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 02:20:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:20:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:20:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:20:25,080 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 02:20:25,081 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:20:25,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098891714] [2022-02-24 02:20:25,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2098891714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:20:25,081 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:20:25,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-24 02:20:25,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088621746] [2022-02-24 02:20:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:20:25,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-24 02:20:25,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:20:25,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-24 02:20:25,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-02-24 02:20:25,082 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 02:20:32,445 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 02:20:34,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:37,396 WARN L534 Checker$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 02:20:39,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:41,457 WARN L534 Checker$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 02:20:43,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:49,018 WARN L534 Checker$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 02:20:51,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:52,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:54,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:56,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:20:58,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:00,571 WARN L534 Checker$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 02:21:02,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:04,666 WARN L534 Checker$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 02:21:06,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:08,726 WARN L534 Checker$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 02:21:10,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:12,780 WARN L534 Checker$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 02:21:25,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:27,145 WARN L534 Checker$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 02:21:28,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:30,687 WARN L534 Checker$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 02:21:32,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:21:34,733 WARN L534 Checker$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 02:21:36,765 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 02:21:54,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:21:54,421 INFO L93 Difference]: Finished difference Result 7955 states and 11590 transitions. [2022-02-24 02:21:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-24 02:21:54,421 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 02:21:54,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:21:54,442 INFO L225 Difference]: With dead ends: 7955 [2022-02-24 02:21:54,443 INFO L226 Difference]: Without dead ends: 7911 [2022-02-24 02:21:54,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-02-24 02:21:54,447 INFO L933 BasicCegarLoop]: 2375 mSDtfsCounter, 2732 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 19694 mSolverCounterSat, 1755 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 21467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1755 IncrementalHoareTripleChecker+Valid, 19694 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.1s IncrementalHoareTripleChecker+Time [2022-02-24 02:21:54,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2936 Valid, 5280 Invalid, 21467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1755 Valid, 19694 Invalid, 18 Unknown, 0 Unchecked, 84.1s Time] [2022-02-24 02:21:54,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7911 states. [2022-02-24 02:21:56,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7911 to 6866. [2022-02-24 02:21:56,723 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 02:21:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6866 states to 6866 states and 9922 transitions. [2022-02-24 02:21:56,740 INFO L78 Accepts]: Start accepts. Automaton has 6866 states and 9922 transitions. Word has length 54 [2022-02-24 02:21:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:21:56,740 INFO L470 AbstractCegarLoop]: Abstraction has 6866 states and 9922 transitions. [2022-02-24 02:21:56,741 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 02:21:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6866 states and 9922 transitions. [2022-02-24 02:21:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-24 02:21:56,743 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:21:56,743 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 02:21:56,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 02:21:56,743 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:21:56,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:21:56,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1140232057, now seen corresponding path program 1 times [2022-02-24 02:21:56,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:21:56,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950856901] [2022-02-24 02:21:56,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:21:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:21:56,759 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:21:56,759 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:21:56,759 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:21:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:21:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:21:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:21:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 02:21:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:21:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:21:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:21:57,136 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 02:21:57,136 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:21:57,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950856901] [2022-02-24 02:21:57,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [950856901] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:21:57,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:21:57,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:21:57,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466975970] [2022-02-24 02:21:57,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:21:57,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:21:57,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:21:57,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:21:57,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:21:57,137 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 02:22:03,875 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 02:22:06,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:08,339 WARN L534 Checker$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 02:22:13,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:15,325 WARN L534 Checker$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 02:22:16,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:17,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:19,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:21,827 WARN L534 Checker$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 02:22:23,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:25,903 WARN L534 Checker$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 02:22:36,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:38,758 WARN L534 Checker$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 02:22:41,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:22:43,590 WARN L534 Checker$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 02:23:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:23:00,271 INFO L93 Difference]: Finished difference Result 7952 states and 11586 transitions. [2022-02-24 02:23:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 02:23:00,272 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 02:23:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:23:00,295 INFO L225 Difference]: With dead ends: 7952 [2022-02-24 02:23:00,295 INFO L226 Difference]: Without dead ends: 7908 [2022-02-24 02:23:00,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-02-24 02:23:00,299 INFO L933 BasicCegarLoop]: 2368 mSDtfsCounter, 4472 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 13251 mSolverCounterSat, 2857 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 16119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2857 IncrementalHoareTripleChecker+Valid, 13251 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2022-02-24 02:23:00,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4681 Valid, 4367 Invalid, 16119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2857 Valid, 13251 Invalid, 11 Unknown, 0 Unchecked, 57.9s Time] [2022-02-24 02:23:00,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7908 states. [2022-02-24 02:23:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7908 to 6858. [2022-02-24 02:23:02,821 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 02:23:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 9911 transitions. [2022-02-24 02:23:02,842 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 9911 transitions. Word has length 54 [2022-02-24 02:23:02,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:23:02,842 INFO L470 AbstractCegarLoop]: Abstraction has 6858 states and 9911 transitions. [2022-02-24 02:23:02,842 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 02:23:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 9911 transitions. [2022-02-24 02:23:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-24 02:23:02,844 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:23:02,844 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 02:23:02,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 02:23:02,844 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:23:02,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:23:02,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1543753921, now seen corresponding path program 1 times [2022-02-24 02:23:02,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:23:02,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718983753] [2022-02-24 02:23:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:23:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:23:02,863 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:23:02,863 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:23:02,863 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:23:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:23:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-24 02:23:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-24 02:23:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-24 02:23:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:23:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:23:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:23:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:23:03,315 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 02:23:03,315 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:23:03,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718983753] [2022-02-24 02:23:03,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1718983753] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:23:03,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:23:03,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 02:23:03,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810787669] [2022-02-24 02:23:03,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:23:03,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 02:23:03,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:23:03,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 02:23:03,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-24 02:23:03,316 INFO L87 Difference]: Start difference. First operand 6858 states and 9911 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-24 02:23:08,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:09,636 WARN L534 Checker$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 02:23:11,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:13,319 WARN L534 Checker$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 02:23:15,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:20,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:23,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:25,755 WARN L534 Checker$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 02:23:27,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:29,848 WARN L534 Checker$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 02:23:40,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:42,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:23:44,759 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 02:23:59,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:23:59,900 INFO L93 Difference]: Finished difference Result 14745 states and 21418 transitions. [2022-02-24 02:23:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 02:23:59,900 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-02-24 02:23:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:23:59,924 INFO L225 Difference]: With dead ends: 14745 [2022-02-24 02:23:59,924 INFO L226 Difference]: Without dead ends: 7898 [2022-02-24 02:23:59,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-24 02:23:59,941 INFO L933 BasicCegarLoop]: 2378 mSDtfsCounter, 4424 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 11311 mSolverCounterSat, 2825 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 14144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2825 IncrementalHoareTripleChecker+Valid, 11311 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2022-02-24 02:23:59,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4629 Valid, 4338 Invalid, 14144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2825 Valid, 11311 Invalid, 8 Unknown, 0 Unchecked, 52.0s Time] [2022-02-24 02:23:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-02-24 02:24:02,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 6860. [2022-02-24 02:24:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 4541 states have (on average 1.3571900462453204) internal successors, (6163), 4654 states have internal predecessors, (6163), 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 02:24:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9913 transitions. [2022-02-24 02:24:02,463 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9913 transitions. Word has length 58 [2022-02-24 02:24:02,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:24:02,463 INFO L470 AbstractCegarLoop]: Abstraction has 6860 states and 9913 transitions. [2022-02-24 02:24:02,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-24 02:24:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9913 transitions. [2022-02-24 02:24:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-24 02:24:02,465 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:24:02,465 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 02:24:02,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 02:24:02,465 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:24:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:24:02,465 INFO L85 PathProgramCache]: Analyzing trace with hash 383569699, now seen corresponding path program 2 times [2022-02-24 02:24:02,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:24:02,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521613373] [2022-02-24 02:24:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:24:02,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:24:02,481 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:24:02,481 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:24:02,481 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:24:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:24:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-24 02:24:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-24 02:24:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-24 02:24:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-24 02:24:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:24:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:24:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:24:02,893 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 02:24:02,894 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:24:02,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521613373] [2022-02-24 02:24:02,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [521613373] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:24:02,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:24:02,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-24 02:24:02,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627058357] [2022-02-24 02:24:02,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:24:02,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-24 02:24:02,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:24:02,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-24 02:24:02,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-24 02:24:02,896 INFO L87 Difference]: Start difference. First operand 6860 states and 9913 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 02:24:11,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:12,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:13,520 WARN L534 Checker$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 02:24:15,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:16,250 WARN L534 Checker$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 02:24:18,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:20,451 WARN L534 Checker$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 02:24:22,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:24,529 WARN L534 Checker$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 02:24:26,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:28,574 WARN L534 Checker$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 02:24:30,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:42,343 WARN L534 Checker$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 02:24:43,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:45,716 WARN L534 Checker$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 02:24:47,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:49,742 WARN L534 Checker$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 02:24:51,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:24:53,100 WARN L534 Checker$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 02:25:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 02:25:10,825 INFO L93 Difference]: Finished difference Result 7915 states and 11539 transitions. [2022-02-24 02:25:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-24 02:25:10,826 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 60 [2022-02-24 02:25:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 02:25:10,843 INFO L225 Difference]: With dead ends: 7915 [2022-02-24 02:25:10,843 INFO L226 Difference]: Without dead ends: 7895 [2022-02-24 02:25:10,845 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 02:25:10,845 INFO L933 BasicCegarLoop]: 2385 mSDtfsCounter, 4501 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 18159 mSolverCounterSat, 2848 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 21017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2848 IncrementalHoareTripleChecker+Valid, 18159 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2022-02-24 02:25:10,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4709 Valid, 5396 Invalid, 21017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2848 Valid, 18159 Invalid, 10 Unknown, 0 Unchecked, 63.1s Time] [2022-02-24 02:25:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2022-02-24 02:25:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 6858. [2022-02-24 02:25:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6858 states, 4540 states have (on average 1.3570484581497797) internal successors, (6161), 4653 states have internal predecessors, (6161), 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 02:25:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 9909 transitions. [2022-02-24 02:25:13,361 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 9909 transitions. Word has length 60 [2022-02-24 02:25:13,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 02:25:13,361 INFO L470 AbstractCegarLoop]: Abstraction has 6858 states and 9909 transitions. [2022-02-24 02:25:13,362 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 02:25:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 9909 transitions. [2022-02-24 02:25:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 02:25:13,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 02:25:13,363 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 02:25:13,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 02:25:13,363 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 02:25:13,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 02:25:13,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1373936775, now seen corresponding path program 1 times [2022-02-24 02:25:13,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 02:25:13,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608569707] [2022-02-24 02:25:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 02:25:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 02:25:13,378 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-24 02:25:13,378 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-24 02:25:13,378 INFO L281 tedInterpolationCore]: Could not accelerate. [2022-02-24 02:25:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 02:25:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-24 02:25:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-24 02:25:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 02:25:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:25:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-24 02:25:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-24 02:25:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 02:25:13,866 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 02:25:13,866 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 02:25:13,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608569707] [2022-02-24 02:25:13,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [608569707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 02:25:13,866 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 02:25:13,866 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-24 02:25:13,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140687871] [2022-02-24 02:25:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 02:25:13,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-24 02:25:13,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 02:25:13,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-24 02:25:13,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-02-24 02:25:13,867 INFO L87 Difference]: Start difference. First operand 6858 states and 9909 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 02:25:21,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 02:25:23,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []