/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 02:41:46,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 02:41:46,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 02:41:46,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 02:41:46,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 02:41:46,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 02:41:46,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 02:41:46,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 02:41:46,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 02:41:46,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 02:41:46,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 02:41:46,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 02:41:46,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 02:41:46,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 02:41:46,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 02:41:46,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 02:41:46,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 02:41:46,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 02:41:46,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 02:41:46,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 02:41:46,395 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 02:41:46,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 02:41:46,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 02:41:46,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 02:41:46,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 02:41:46,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 02:41:46,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 02:41:46,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 02:41:46,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 02:41:46,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-03-20 02:41:46,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 02:41:46,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 02:41:46,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-20 02:41:46,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-20 02:41:46,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 02:41:46,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 02:41:46,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 02:41:46,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 02:41:46,438 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 02:41:46,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 02:41:46,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 02:41:46,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:41:46,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 02:41:46,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 02:41:46,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-20 02:41:46,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-20 02:41:46,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 02:41:46,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 02:41:46,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 02:41:46,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 02:41:46,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 02:41:46,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 02:41:46,651 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 02:41:46,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-03-20 02:41:46,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836010e53/cfe0c7ca7b414f0fa696443c520987b2/FLAG69e67de08 [2022-03-20 02:41:47,384 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 02:41:47,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-03-20 02:41:47,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836010e53/cfe0c7ca7b414f0fa696443c520987b2/FLAG69e67de08 [2022-03-20 02:41:47,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836010e53/cfe0c7ca7b414f0fa696443c520987b2 [2022-03-20 02:41:47,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 02:41:47,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 02:41:47,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 02:41:47,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 02:41:47,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 02:41:47,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:41:47" (1/1) ... [2022-03-20 02:41:47,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee14974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:47, skipping insertion in model container [2022-03-20 02:41:47,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:41:47" (1/1) ... [2022-03-20 02:41:47,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 02:41:47,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 02:41:48,402 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] [2022-03-20 02:41:49,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:41:49,084 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 02:41:49,139 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] [2022-03-20 02:41:49,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:41:49,385 INFO L208 MainTranslator]: Completed translation [2022-03-20 02:41:49,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49 WrapperNode [2022-03-20 02:41:49,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 02:41:49,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 02:41:49,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 02:41:49,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 02:41:49,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 02:41:49,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 02:41:49,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 02:41:49,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 02:41:49,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (1/1) ... [2022-03-20 02:41:49,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:41:49,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:41:49,697 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) [2022-03-20 02:41:49,740 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 [2022-03-20 02:41:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 02:41:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 02:41:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-03-20 02:41:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~TO~VOID [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlIntegerToUnicodeString [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlUnicodeStringToInteger [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAppendUnicodeStringToString [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2022-03-20 02:41:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeDpc [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInsertQueueDpc [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireCancelSpinLock [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoConnectInterrupt [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoInitializeRemoveLockEx [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockEx [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockAndWaitEx [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-03-20 02:41:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfReferenceObject [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwQueryValueKey [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwSetValueKey [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpPnpIrpInfo [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLockAndWait [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceList [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2022-03-20 02:41:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptUnload [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCleanRemovalRelationsList [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAddPptRemovalRelation [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRemovePptRemovalRelation [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpPptRemovalRelationsStruct [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchInternalDeviceControl [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCreate [2022-03-20 02:41:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchClose [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfNon1284_3Present [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStl1284_3 [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStlProductId [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectChipFilter [2022-03-20 02:41:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortType [2022-03-20 02:41:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortCapabilities [2022-03-20 02:41:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2022-03-20 02:41:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfDot3DevicePresent [2022-03-20 02:41:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfUserRequested [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetChipMode [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearChipMode [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2022-03-20 02:41:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckByteMode [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFindNatChip [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildResourceList [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBuildRemovalRelations [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanPciCardCmResourceList [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsPci [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpInitDispatchFunctionTable [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpAddDevice [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPnp [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartDevice [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanCmResourceList [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartValidateResources [2022-03-20 02:41:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterResourceRequirements [2022-03-20 02:41:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2022-03-20 02:41:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2022-03-20 02:41:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-03-20 02:41:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryDeviceRelations [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryStopDevice [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelStopDevice [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStopDevice [2022-03-20 02:41:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryRemoveDevice [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelRemoveDevice [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpRemoveDevice [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpSurpriseRemoval [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpListContainsIrqResourceDescriptor [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure InitNEC_98 [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPower [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipCheckDevice [2022-03-20 02:41:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegInitDriverSettings [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegGetDeviceParameterDword [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegSetDeviceParameterDword [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPreProcessIrp [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPostProcessIrp [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNameFromPhysicalDeviceObject [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptConnectInterrupt [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedRead [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedQueue [2022-03-20 02:41:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDisconnect [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCancelRoutine [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortDpc [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePortAtInterruptLevel [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortFromInterruptLevel [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInterruptService [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePort [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTraversePortCheckList [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptQueryNumWaiters [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildParallelPortDeviceName [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitializeDeviceExtension [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNumberFromLptName [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildDeviceObject [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiInitWmi [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchSystemControl [2022-03-20 02:41:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiRegInfo [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiDataBlock [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-03-20 02:41:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-03-20 02:41:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-03-20 02:41:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 02:41:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-03-20 02:41:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlIntegerToUnicodeString [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlUnicodeStringToInteger [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2022-03-20 02:41:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAppendUnicodeStringToString [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeDpc [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeInsertQueueDpc [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-03-20 02:41:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireCancelSpinLock [2022-03-20 02:41:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoConnectInterrupt [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-03-20 02:41:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoInitializeRemoveLockEx [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockEx [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockAndWaitEx [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-03-20 02:41:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure ObfReferenceObject [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ZwQueryValueKey [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ZwSetValueKey [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiInitWmi [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchSystemControl [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpInitDispatchFunctionTable [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpAddDevice [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPnp [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPreProcessIrp [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPostProcessIrp [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptUnload [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2022-03-20 02:41:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptConnectInterrupt [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCreate [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchClose [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedRead [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedQueue [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDisconnect [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptCancelRoutine [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortDpc [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePortAtInterruptLevel [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortFromInterruptLevel [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptInterruptService [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePort [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptTraversePortCheckList [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptQueryNumWaiters [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchInternalDeviceControl [2022-03-20 02:41:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPower [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegInitDriverSettings [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNameFromPhysicalDeviceObject [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpPnpIrpInfo [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLockAndWait [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceList [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectChipFilter [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortType [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetChipMode [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearChipMode [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2022-03-20 02:41:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2022-03-20 02:41:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2022-03-20 02:41:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2022-03-20 02:41:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegGetDeviceParameterDword [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegSetDeviceParameterDword [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildParallelPortDeviceName [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitializeDeviceExtension [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNumberFromLptName [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildDeviceObject [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptCleanRemovalRelationsList [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-03-20 02:41:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure PptAddPptRemovalRelation [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptRemovePptRemovalRelation [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpPptRemovalRelationsStruct [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStl1284_3 [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfNon1284_3Present [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStlProductId [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortCapabilities [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfDot3DevicePresent [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfUserRequested [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptFindNatChip [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildResourceList [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckByteMode [2022-03-20 02:41:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterResourceRequirements [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryDeviceRelations [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryStopDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelStopDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStopDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryRemoveDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelRemoveDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpRemoveDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpSurpriseRemoval [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartDevice [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartValidateResources [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanCmResourceList [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpListContainsIrqResourceDescriptor [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2022-03-20 02:41:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBuildRemovalRelations [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanPciCardCmResourceList [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsPci [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure InitNEC_98 [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipCheckDevice [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~TO~VOID [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiRegInfo [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiDataBlock [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 02:41:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 02:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 02:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 02:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 02:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 02:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 02:41:50,529 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 02:41:50,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 02:41:50,552 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,583 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:50,583 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:50,725 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,793 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-03-20 02:41:50,793 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-03-20 02:41:50,805 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,820 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-03-20 02:41:50,820 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-03-20 02:41:50,821 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:50,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:50,904 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,927 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-03-20 02:41:50,927 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-03-20 02:41:50,927 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:50,933 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:50,933 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:51,048 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:51,060 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:51,060 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:51,169 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:51,184 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-03-20 02:41:51,184 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-03-20 02:41:51,212 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:51,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-03-20 02:41:51,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-03-20 02:41:51,238 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:51,247 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-03-20 02:41:51,247 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-03-20 02:41:51,258 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:51,261 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:51,261 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:51,388 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:54,911 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-03-20 02:41:54,912 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-03-20 02:41:57,019 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:57,022 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:57,023 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:57,089 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:57,089 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:57,433 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-03-20 02:41:57,433 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-03-20 02:41:57,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-03-20 02:41:57,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-03-20 02:41:57,609 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:57,613 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:57,613 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:57,719 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:57,724 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:57,724 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,163 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,168 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,168 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,168 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,185 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,185 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,202 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,207 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,207 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,207 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,211 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,218 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,303 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,314 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,317 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,317 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,370 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,374 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,374 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,383 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,745 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,748 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:58,748 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:58,755 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,781 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-03-20 02:41:58,782 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-03-20 02:41:58,788 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:58,902 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !false; [2022-03-20 02:41:58,902 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume false; [2022-03-20 02:41:59,116 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:59,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:41:59,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:41:59,219 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:41:59,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-03-20 02:41:59,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-03-20 02:41:59,301 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:01,755 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-03-20 02:42:01,756 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-03-20 02:42:01,808 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:01,827 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-03-20 02:42:01,827 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-03-20 02:42:01,828 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:01,844 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-03-20 02:42:01,844 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-03-20 02:42:01,867 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:01,874 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-03-20 02:42:01,875 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-03-20 02:42:01,979 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:01,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-20 02:42:01,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-20 02:42:02,109 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:42:02,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-03-20 02:42:02,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-03-20 02:42:02,184 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 02:42:02,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 02:42:02,204 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2022-03-20 02:42:02,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:42:02 BoogieIcfgContainer [2022-03-20 02:42:02,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 02:42:02,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 02:42:02,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 02:42:02,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 02:42:02,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 02:41:47" (1/3) ... [2022-03-20 02:42:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5b0a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:42:02, skipping insertion in model container [2022-03-20 02:42:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:41:49" (2/3) ... [2022-03-20 02:42:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5b0a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:42:02, skipping insertion in model container [2022-03-20 02:42:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:42:02" (3/3) ... [2022-03-20 02:42:02,215 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-2.c [2022-03-20 02:42:02,219 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 02:42:02,219 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 02:42:02,268 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 02:42:02,273 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-03-20 02:42:02,273 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 02:42:02,325 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) [2022-03-20 02:42:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-20 02:42:02,329 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:42:02,329 INFO L499 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] [2022-03-20 02:42:02,330 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:42:02,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:42:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash -2073400986, now seen corresponding path program 1 times [2022-03-20 02:42:02,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:42:02,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123726140] [2022-03-20 02:42:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:42:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:42:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-03-20 02:42:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:42:03,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:42:03,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123726140] [2022-03-20 02:42:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123726140] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:42:03,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:42:03,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:42:03,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480480849] [2022-03-20 02:42:03,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:42:03,018 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:42:03,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:42:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:42:03,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:42:03,064 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) [2022-03-20 02:42:07,337 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 [] [2022-03-20 02:42:11,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:16,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:21,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:42:21,719 INFO L93 Difference]: Finished difference Result 4216 states and 6551 transitions. [2022-03-20 02:42:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:42:21,726 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 [2022-03-20 02:42:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:42:21,752 INFO L225 Difference]: With dead ends: 4216 [2022-03-20 02:42:21,752 INFO L226 Difference]: Without dead ends: 2226 [2022-03-20 02:42:21,767 INFO L912 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 [2022-03-20 02:42:21,770 INFO L913 BasicCegarLoop]: 2420 mSDtfsCounter, 3235 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 3763 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3638 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 5326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 3763 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:42:21,772 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3638 Valid, 2781 Invalid, 5326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 3763 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2022-03-20 02:42:21,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-03-20 02:42:22,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1985. [2022-03-20 02:42:22,029 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) [2022-03-20 02:42:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2849 transitions. [2022-03-20 02:42:22,042 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2849 transitions. Word has length 22 [2022-03-20 02:42:22,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:42:22,042 INFO L478 AbstractCegarLoop]: Abstraction has 1985 states and 2849 transitions. [2022-03-20 02:42:22,043 INFO L479 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) [2022-03-20 02:42:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2849 transitions. [2022-03-20 02:42:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-20 02:42:22,044 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:42:22,044 INFO L499 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] [2022-03-20 02:42:22,044 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 02:42:22,044 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:42:22,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:42:22,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1828450504, now seen corresponding path program 1 times [2022-03-20 02:42:22,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:42:22,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641527916] [2022-03-20 02:42:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:42:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:42:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 02:42:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:42:22,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:42:22,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641527916] [2022-03-20 02:42:22,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641527916] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:42:22,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831947189] [2022-03-20 02:42:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:22,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:42:22,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:42:22,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:42:22,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 02:42:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:23,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:42:23,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:42:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 02:42:23,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 02:42:23,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831947189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:42:23,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 02:42:23,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-03-20 02:42:23,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614693414] [2022-03-20 02:42:23,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:42:23,191 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 02:42:23,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:42:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 02:42:23,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:42:23,191 INFO L87 Difference]: Start difference. First operand 1985 states and 2849 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 02:42:23,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:42:23,477 INFO L93 Difference]: Finished difference Result 2005 states and 2875 transitions. [2022-03-20 02:42:23,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 02:42:23,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 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 24 [2022-03-20 02:42:23,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:42:23,486 INFO L225 Difference]: With dead ends: 2005 [2022-03-20 02:42:23,486 INFO L226 Difference]: Without dead ends: 1985 [2022-03-20 02:42:23,488 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:42:23,488 INFO L913 BasicCegarLoop]: 2846 mSDtfsCounter, 7 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5633 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:42:23,489 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 5633 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 02:42:23,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2022-03-20 02:42:23,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1985. [2022-03-20 02:42:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1335 states have (on average 1.3737827715355806) internal successors, (1834), 1385 states have internal predecessors, (1834), 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) [2022-03-20 02:42:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2848 transitions. [2022-03-20 02:42:23,711 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2848 transitions. Word has length 24 [2022-03-20 02:42:23,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:42:23,711 INFO L478 AbstractCegarLoop]: Abstraction has 1985 states and 2848 transitions. [2022-03-20 02:42:23,711 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 02:42:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2848 transitions. [2022-03-20 02:42:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-20 02:42:23,712 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:42:23,712 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:42:23,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 02:42:23,927 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:42:23,928 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:42:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:42:23,928 INFO L85 PathProgramCache]: Analyzing trace with hash -975584275, now seen corresponding path program 1 times [2022-03-20 02:42:23,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:42:23,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826420254] [2022-03-20 02:42:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:42:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:42:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 02:42:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:42:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:42:24,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:42:24,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826420254] [2022-03-20 02:42:24,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826420254] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 02:42:24,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122684140] [2022-03-20 02:42:24,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:24,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 02:42:24,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:42:24,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 02:42:24,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 02:42:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:24,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 02:42:24,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 02:42:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:42:25,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 02:42:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:42:25,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122684140] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 02:42:25,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 02:42:25,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-03-20 02:42:25,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390366392] [2022-03-20 02:42:25,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 02:42:25,168 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:42:25,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:42:25,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:42:25,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:42:25,169 INFO L87 Difference]: Start difference. First operand 1985 states and 2848 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-20 02:42:28,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:32,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:34,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:37,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:39,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:41,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:43,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:49,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:42:51,768 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 [] [2022-03-20 02:42:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:42:58,733 INFO L93 Difference]: Finished difference Result 4207 states and 6087 transitions. [2022-03-20 02:42:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 02:42:58,744 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-03-20 02:42:58,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:42:58,753 INFO L225 Difference]: With dead ends: 4207 [2022-03-20 02:42:58,753 INFO L226 Difference]: Without dead ends: 2231 [2022-03-20 02:42:58,758 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:42:58,761 INFO L913 BasicCegarLoop]: 2406 mSDtfsCounter, 3310 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 9028 mSolverCounterSat, 1577 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3713 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 10612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1577 IncrementalHoareTripleChecker+Valid, 9028 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:42:58,764 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3713 Valid, 3322 Invalid, 10612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1577 Valid, 9028 Invalid, 7 Unknown, 0 Unchecked, 33.1s Time] [2022-03-20 02:42:58,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-03-20 02:42:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1991. [2022-03-20 02:42:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1991 states, 1341 states have (on average 1.372110365398956) internal successors, (1840), 1391 states have internal predecessors, (1840), 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) [2022-03-20 02:42:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2854 transitions. [2022-03-20 02:42:58,962 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2854 transitions. Word has length 33 [2022-03-20 02:42:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:42:58,962 INFO L478 AbstractCegarLoop]: Abstraction has 1991 states and 2854 transitions. [2022-03-20 02:42:58,962 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-20 02:42:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2854 transitions. [2022-03-20 02:42:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-20 02:42:58,968 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:42:58,968 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:42:58,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 02:42:59,187 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-20 02:42:59,188 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:42:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:42:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash -380716153, now seen corresponding path program 2 times [2022-03-20 02:42:59,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:42:59,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656431409] [2022-03-20 02:42:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:42:59,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:42:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:42:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:42:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:42:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:42:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:42:59,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:42:59,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656431409] [2022-03-20 02:42:59,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656431409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:42:59,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:42:59,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 02:42:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946681293] [2022-03-20 02:42:59,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:42:59,636 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 02:42:59,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:42:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 02:42:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:42:59,636 INFO L87 Difference]: Start difference. First operand 1991 states and 2854 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) [2022-03-20 02:43:04,234 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 [] [2022-03-20 02:43:08,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:19,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:43:19,016 INFO L93 Difference]: Finished difference Result 5168 states and 7519 transitions. [2022-03-20 02:43:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 02:43:19,017 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 39 [2022-03-20 02:43:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:43:19,053 INFO L225 Difference]: With dead ends: 5168 [2022-03-20 02:43:19,054 INFO L226 Difference]: Without dead ends: 3855 [2022-03-20 02:43:19,073 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-03-20 02:43:19,076 INFO L913 BasicCegarLoop]: 2655 mSDtfsCounter, 7522 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4012 mSolverCounterSat, 3997 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7902 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3997 IncrementalHoareTripleChecker+Valid, 4012 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:43:19,076 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7902 Valid, 3151 Invalid, 8010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3997 Valid, 4012 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2022-03-20 02:43:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2022-03-20 02:43:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3722. [2022-03-20 02:43:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 2516 states have (on average 1.368839427662957) internal successors, (3444), 2587 states have internal predecessors, (3444), 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) [2022-03-20 02:43:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5398 transitions. [2022-03-20 02:43:19,501 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5398 transitions. Word has length 39 [2022-03-20 02:43:19,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:43:19,501 INFO L478 AbstractCegarLoop]: Abstraction has 3722 states and 5398 transitions. [2022-03-20 02:43:19,501 INFO L479 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) [2022-03-20 02:43:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5398 transitions. [2022-03-20 02:43:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-20 02:43:19,505 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:43:19,505 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:43:19,505 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 02:43:19,506 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:43:19,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:43:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1254032395, now seen corresponding path program 1 times [2022-03-20 02:43:19,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:43:19,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48428217] [2022-03-20 02:43:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:43:19,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:43:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:43:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:43:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:43:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 02:43:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:43:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:43:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:43:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:43:19,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:43:19,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48428217] [2022-03-20 02:43:19,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48428217] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:43:19,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:43:19,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:43:19,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207234505] [2022-03-20 02:43:19,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:43:19,934 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:43:19,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:43:19,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:43:19,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:43:19,935 INFO L87 Difference]: Start difference. First operand 3722 states and 5398 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) [2022-03-20 02:43:26,759 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 [] [2022-03-20 02:43:30,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:32,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:34,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:38,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:41,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:43,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:50,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:52,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:43:53,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:08,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:08,376 INFO L93 Difference]: Finished difference Result 5364 states and 7832 transitions. [2022-03-20 02:44:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-20 02:44:08,377 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 55 [2022-03-20 02:44:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:08,395 INFO L225 Difference]: With dead ends: 5364 [2022-03-20 02:44:08,395 INFO L226 Difference]: Without dead ends: 5353 [2022-03-20 02:44:08,396 INFO L912 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 [2022-03-20 02:44:08,397 INFO L913 BasicCegarLoop]: 2997 mSDtfsCounter, 8234 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 10289 mSolverCounterSat, 6362 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8272 SdHoareTripleChecker+Valid, 3987 SdHoareTripleChecker+Invalid, 16657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6362 IncrementalHoareTripleChecker+Valid, 10289 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:08,397 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8272 Valid, 3987 Invalid, 16657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6362 Valid, 10289 Invalid, 6 Unknown, 0 Unchecked, 45.9s Time] [2022-03-20 02:44:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5353 states. [2022-03-20 02:44:08,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5353 to 4537. [2022-03-20 02:44:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4537 states, 3021 states have (on average 1.3614697120158887) internal successors, (4113), 3102 states have internal predecessors, (4113), 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) [2022-03-20 02:44:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 6571 transitions. [2022-03-20 02:44:08,842 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 6571 transitions. Word has length 55 [2022-03-20 02:44:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:08,842 INFO L478 AbstractCegarLoop]: Abstraction has 4537 states and 6571 transitions. [2022-03-20 02:44:08,842 INFO L479 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) [2022-03-20 02:44:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 6571 transitions. [2022-03-20 02:44:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-20 02:44:08,844 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:08,844 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:44:08,844 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 02:44:08,844 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash -658365057, now seen corresponding path program 1 times [2022-03-20 02:44:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:08,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690379077] [2022-03-20 02:44:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:08,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:44:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:44:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 02:44:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:44:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:44:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:44:09,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:09,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690379077] [2022-03-20 02:44:09,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690379077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:09,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:09,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:44:09,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230626439] [2022-03-20 02:44:09,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:09,276 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:44:09,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:09,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:44:09,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:44:09,276 INFO L87 Difference]: Start difference. First operand 4537 states and 6571 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) [2022-03-20 02:44:14,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:16,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:18,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:20,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:22,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:31,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:33,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:35,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:37,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:44:50,807 INFO L93 Difference]: Finished difference Result 5355 states and 7817 transitions. [2022-03-20 02:44:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-20 02:44:50,808 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 56 [2022-03-20 02:44:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:44:50,836 INFO L225 Difference]: With dead ends: 5355 [2022-03-20 02:44:50,836 INFO L226 Difference]: Without dead ends: 5347 [2022-03-20 02:44:50,838 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-03-20 02:44:50,838 INFO L913 BasicCegarLoop]: 2991 mSDtfsCounter, 12244 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 8808 mSolverCounterSat, 9631 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12282 SdHoareTripleChecker+Valid, 3690 SdHoareTripleChecker+Invalid, 18444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9631 IncrementalHoareTripleChecker+Valid, 8808 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:44:50,838 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12282 Valid, 3690 Invalid, 18444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9631 Valid, 8808 Invalid, 5 Unknown, 0 Unchecked, 39.0s Time] [2022-03-20 02:44:50,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2022-03-20 02:44:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 4537. [2022-03-20 02:44:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4537 states, 3021 states have (on average 1.361138695796094) internal successors, (4112), 3102 states have internal predecessors, (4112), 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) [2022-03-20 02:44:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 6570 transitions. [2022-03-20 02:44:51,428 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 6570 transitions. Word has length 56 [2022-03-20 02:44:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:44:51,428 INFO L478 AbstractCegarLoop]: Abstraction has 4537 states and 6570 transitions. [2022-03-20 02:44:51,428 INFO L479 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) [2022-03-20 02:44:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 6570 transitions. [2022-03-20 02:44:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-20 02:44:51,430 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:44:51,430 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:44:51,430 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 02:44:51,430 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:44:51,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:44:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1654704138, now seen corresponding path program 1 times [2022-03-20 02:44:51,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:44:51,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482467424] [2022-03-20 02:44:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:44:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:44:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:44:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:44:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:44:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-03-20 02:44:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:44:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:44:51,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:44:51,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482467424] [2022-03-20 02:44:51,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482467424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:44:51,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:44:51,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 02:44:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76174252] [2022-03-20 02:44:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:44:51,778 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 02:44:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:44:51,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 02:44:51,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:44:51,778 INFO L87 Difference]: Start difference. First operand 4537 states and 6570 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) [2022-03-20 02:44:55,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:57,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:44:59,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:01,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:05,325 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 [] [2022-03-20 02:45:18,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:18,441 INFO L93 Difference]: Finished difference Result 7590 states and 10964 transitions. [2022-03-20 02:45:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 02:45:18,454 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 57 [2022-03-20 02:45:18,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:18,479 INFO L225 Difference]: With dead ends: 7590 [2022-03-20 02:45:18,480 INFO L226 Difference]: Without dead ends: 7196 [2022-03-20 02:45:18,483 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-03-20 02:45:18,484 INFO L913 BasicCegarLoop]: 3172 mSDtfsCounter, 6251 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4099 mSolverCounterSat, 3452 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6638 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 7555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3452 IncrementalHoareTripleChecker+Valid, 4099 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:18,484 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6638 Valid, 3414 Invalid, 7555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3452 Valid, 4099 Invalid, 4 Unknown, 0 Unchecked, 25.5s Time] [2022-03-20 02:45:18,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7196 states. [2022-03-20 02:45:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7196 to 7033. [2022-03-20 02:45:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4660 states have (on average 1.36137339055794) internal successors, (6344), 4786 states have internal predecessors, (6344), 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) [2022-03-20 02:45:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 10213 transitions. [2022-03-20 02:45:19,431 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 10213 transitions. Word has length 57 [2022-03-20 02:45:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:19,431 INFO L478 AbstractCegarLoop]: Abstraction has 7033 states and 10213 transitions. [2022-03-20 02:45:19,431 INFO L479 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) [2022-03-20 02:45:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 10213 transitions. [2022-03-20 02:45:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-20 02:45:19,433 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:19,433 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:19,433 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 02:45:19,433 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:19,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash 796457580, now seen corresponding path program 1 times [2022-03-20 02:45:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:19,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036169216] [2022-03-20 02:45:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:45:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:45:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 02:45:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:45:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:45:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:45:19,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:19,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036169216] [2022-03-20 02:45:19,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036169216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:19,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:19,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 02:45:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598226367] [2022-03-20 02:45:19,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:19,869 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-20 02:45:19,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-20 02:45:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-20 02:45:19,870 INFO L87 Difference]: Start difference. First operand 7033 states and 10213 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) [2022-03-20 02:45:25,227 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 [] [2022-03-20 02:45:29,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:30,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:32,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:34,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:37,578 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 [] [2022-03-20 02:45:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:45:48,076 INFO L93 Difference]: Finished difference Result 8269 states and 12066 transitions. [2022-03-20 02:45:48,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-20 02:45:48,076 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 57 [2022-03-20 02:45:48,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:45:48,100 INFO L225 Difference]: With dead ends: 8269 [2022-03-20 02:45:48,101 INFO L226 Difference]: Without dead ends: 8240 [2022-03-20 02:45:48,103 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-03-20 02:45:48,104 INFO L913 BasicCegarLoop]: 2146 mSDtfsCounter, 5208 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 3614 mSolverCounterSat, 3236 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5279 SdHoareTripleChecker+Valid, 2793 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3236 IncrementalHoareTripleChecker+Valid, 3614 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:45:48,104 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5279 Valid, 2793 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3236 Valid, 3614 Invalid, 3 Unknown, 0 Unchecked, 26.5s Time] [2022-03-20 02:45:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8240 states. [2022-03-20 02:45:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8240 to 7066. [2022-03-20 02:45:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7066 states, 4681 states have (on average 1.359752189703055) internal successors, (6365), 4809 states have internal predecessors, (6365), 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) [2022-03-20 02:45:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 10246 transitions. [2022-03-20 02:45:48,919 INFO L78 Accepts]: Start accepts. Automaton has 7066 states and 10246 transitions. Word has length 57 [2022-03-20 02:45:48,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:45:48,919 INFO L478 AbstractCegarLoop]: Abstraction has 7066 states and 10246 transitions. [2022-03-20 02:45:48,919 INFO L479 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) [2022-03-20 02:45:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7066 states and 10246 transitions. [2022-03-20 02:45:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-20 02:45:48,921 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:45:48,921 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:45:48,921 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 02:45:48,921 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:45:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:45:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1736643240, now seen corresponding path program 1 times [2022-03-20 02:45:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:45:48,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580493722] [2022-03-20 02:45:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:45:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:45:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:45:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:45:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:45:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-03-20 02:45:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:45:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:45:49,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:45:49,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580493722] [2022-03-20 02:45:49,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580493722] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:45:49,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:45:49,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 02:45:49,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124395451] [2022-03-20 02:45:49,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:45:49,270 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 02:45:49,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:45:49,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 02:45:49,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:45:49,270 INFO L87 Difference]: Start difference. First operand 7066 states and 10246 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) [2022-03-20 02:45:52,837 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 [] [2022-03-20 02:45:54,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:45:58,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:00,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:02,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:06,247 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 [] [2022-03-20 02:46:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:46:14,290 INFO L93 Difference]: Finished difference Result 7162 states and 10377 transitions. [2022-03-20 02:46:14,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 02:46:14,290 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 57 [2022-03-20 02:46:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:46:14,347 INFO L225 Difference]: With dead ends: 7162 [2022-03-20 02:46:14,347 INFO L226 Difference]: Without dead ends: 7159 [2022-03-20 02:46:14,350 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:46:14,362 INFO L913 BasicCegarLoop]: 2411 mSDtfsCounter, 3234 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 4244 mSolverCounterSat, 1542 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 5789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1542 IncrementalHoareTripleChecker+Valid, 4244 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-03-20 02:46:14,363 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 2772 Invalid, 5789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1542 Valid, 4244 Invalid, 3 Unknown, 0 Unchecked, 23.8s Time] [2022-03-20 02:46:14,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7159 states. [2022-03-20 02:46:15,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7159 to 7066. [2022-03-20 02:46:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7066 states, 4681 states have (on average 1.359538560136723) internal successors, (6364), 4809 states have internal predecessors, (6364), 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) [2022-03-20 02:46:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 10245 transitions. [2022-03-20 02:46:15,257 INFO L78 Accepts]: Start accepts. Automaton has 7066 states and 10245 transitions. Word has length 57 [2022-03-20 02:46:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:46:15,258 INFO L478 AbstractCegarLoop]: Abstraction has 7066 states and 10245 transitions. [2022-03-20 02:46:15,258 INFO L479 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) [2022-03-20 02:46:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7066 states and 10245 transitions. [2022-03-20 02:46:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 02:46:15,276 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:46:15,276 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:46:15,276 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 02:46:15,276 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:46:15,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:46:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash -692128588, now seen corresponding path program 1 times [2022-03-20 02:46:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:46:15,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941341277] [2022-03-20 02:46:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:46:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:46:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:46:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:46:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:46:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-03-20 02:46:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-03-20 02:46:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:46:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-03-20 02:46:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:46:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:46:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:46:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:46:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:46:15,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941341277] [2022-03-20 02:46:15,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941341277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:46:15,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:46:15,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:46:15,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957658661] [2022-03-20 02:46:15,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:46:15,736 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:46:15,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:46:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:46:15,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:46:15,736 INFO L87 Difference]: Start difference. First operand 7066 states and 10245 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) [2022-03-20 02:46:21,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:23,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:24,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:25,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:28,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:30,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:32,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:34,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:42,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:43,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:45,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:46:47,437 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 [] [2022-03-20 02:47:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:01,389 INFO L93 Difference]: Finished difference Result 14532 states and 21168 transitions. [2022-03-20 02:47:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-20 02:47:01,390 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 75 [2022-03-20 02:47:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:01,445 INFO L225 Difference]: With dead ends: 14532 [2022-03-20 02:47:01,445 INFO L226 Difference]: Without dead ends: 8143 [2022-03-20 02:47:01,485 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-03-20 02:47:01,485 INFO L913 BasicCegarLoop]: 2244 mSDtfsCounter, 4577 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 10224 mSolverCounterSat, 3058 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 13290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3058 IncrementalHoareTripleChecker+Valid, 10224 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:01,486 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4786 Valid, 3534 Invalid, 13290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3058 Valid, 10224 Invalid, 8 Unknown, 0 Unchecked, 43.6s Time] [2022-03-20 02:47:01,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8143 states. [2022-03-20 02:47:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8143 to 7070. [2022-03-20 02:47:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7070 states, 4684 states have (on average 1.3593082835183603) internal successors, (6367), 4812 states have internal predecessors, (6367), 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) [2022-03-20 02:47:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7070 states to 7070 states and 10250 transitions. [2022-03-20 02:47:02,411 INFO L78 Accepts]: Start accepts. Automaton has 7070 states and 10250 transitions. Word has length 75 [2022-03-20 02:47:02,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:02,412 INFO L478 AbstractCegarLoop]: Abstraction has 7070 states and 10250 transitions. [2022-03-20 02:47:02,412 INFO L479 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) [2022-03-20 02:47:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 7070 states and 10250 transitions. [2022-03-20 02:47:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 02:47:02,414 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:02,414 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:02,414 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 02:47:02,414 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1419161781, now seen corresponding path program 1 times [2022-03-20 02:47:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:02,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022089790] [2022-03-20 02:47:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:47:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:47:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-03-20 02:47:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-03-20 02:47:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:47:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-03-20 02:47:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:47:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:47:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:47:02,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:02,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022089790] [2022-03-20 02:47:02,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022089790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:02,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:02,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-20 02:47:02,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526384329] [2022-03-20 02:47:02,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:02,862 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-20 02:47:02,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-20 02:47:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-03-20 02:47:02,863 INFO L87 Difference]: Start difference. First operand 7070 states and 10250 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) [2022-03-20 02:47:09,744 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 [] [2022-03-20 02:47:13,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:15,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:17,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:19,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:21,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:27,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:29,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:31,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:40,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:42,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:44,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:46,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:00,029 INFO L93 Difference]: Finished difference Result 13366 states and 19420 transitions. [2022-03-20 02:48:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-20 02:48:00,029 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 75 [2022-03-20 02:48:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:00,069 INFO L225 Difference]: With dead ends: 13366 [2022-03-20 02:48:00,070 INFO L226 Difference]: Without dead ends: 7934 [2022-03-20 02:48:00,082 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-03-20 02:48:00,082 INFO L913 BasicCegarLoop]: 2246 mSDtfsCounter, 4490 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 13836 mSolverCounterSat, 2963 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 3826 SdHoareTripleChecker+Invalid, 16809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2963 IncrementalHoareTripleChecker+Valid, 13836 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:00,083 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4698 Valid, 3826 Invalid, 16809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2963 Valid, 13836 Invalid, 10 Unknown, 0 Unchecked, 55.2s Time] [2022-03-20 02:48:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2022-03-20 02:48:00,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 6893. [2022-03-20 02:48:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6893 states, 4562 states have (on average 1.3570802279701886) internal successors, (6191), 4675 states have internal predecessors, (6191), 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) [2022-03-20 02:48:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6893 states to 6893 states and 9960 transitions. [2022-03-20 02:48:00,993 INFO L78 Accepts]: Start accepts. Automaton has 6893 states and 9960 transitions. Word has length 75 [2022-03-20 02:48:00,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:00,994 INFO L478 AbstractCegarLoop]: Abstraction has 6893 states and 9960 transitions. [2022-03-20 02:48:00,994 INFO L479 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) [2022-03-20 02:48:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6893 states and 9960 transitions. [2022-03-20 02:48:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-20 02:48:00,995 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:00,995 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:00,995 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 02:48:00,996 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:00,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1073102585, now seen corresponding path program 1 times [2022-03-20 02:48:00,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:00,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521202992] [2022-03-20 02:48:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:48:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:48:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 02:48:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:48:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:48:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:48:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:01,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521202992] [2022-03-20 02:48:01,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521202992] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:01,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:01,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:48:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2933329] [2022-03-20 02:48:01,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:01,379 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:48:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:48:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:48:01,380 INFO L87 Difference]: Start difference. First operand 6893 states and 9960 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) [2022-03-20 02:48:06,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:09,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:10,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:12,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:14,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:16,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:18,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:23,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:25,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:27,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:29,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:31,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:40,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:42,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:43,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:44,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:57,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:57,032 INFO L93 Difference]: Finished difference Result 7946 states and 11584 transitions. [2022-03-20 02:48:57,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-20 02:48:57,032 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 58 [2022-03-20 02:48:57,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:57,055 INFO L225 Difference]: With dead ends: 7946 [2022-03-20 02:48:57,055 INFO L226 Difference]: Without dead ends: 7904 [2022-03-20 02:48:57,060 INFO L912 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 [2022-03-20 02:48:57,061 INFO L913 BasicCegarLoop]: 2229 mSDtfsCounter, 2810 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 11378 mSolverCounterSat, 1854 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 3624 SdHoareTripleChecker+Invalid, 13243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 11378 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.9s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:57,061 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3020 Valid, 3624 Invalid, 13243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1854 Valid, 11378 Invalid, 11 Unknown, 0 Unchecked, 53.9s Time] [2022-03-20 02:48:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7904 states. [2022-03-20 02:48:57,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7904 to 6867. [2022-03-20 02:48:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6867 states, 4546 states have (on average 1.3572371315442147) internal successors, (6170), 4659 states have internal predecessors, (6170), 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) [2022-03-20 02:48:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6867 states to 6867 states and 9923 transitions. [2022-03-20 02:48:57,969 INFO L78 Accepts]: Start accepts. Automaton has 6867 states and 9923 transitions. Word has length 58 [2022-03-20 02:48:57,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:57,971 INFO L478 AbstractCegarLoop]: Abstraction has 6867 states and 9923 transitions. [2022-03-20 02:48:57,971 INFO L479 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) [2022-03-20 02:48:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6867 states and 9923 transitions. [2022-03-20 02:48:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-20 02:48:57,974 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:57,974 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:57,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 02:48:57,975 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash -486259461, now seen corresponding path program 1 times [2022-03-20 02:48:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:57,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87799854] [2022-03-20 02:48:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:48:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:48:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-20 02:48:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-20 02:48:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:48:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:48:58,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:58,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87799854] [2022-03-20 02:48:58,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87799854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:58,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:58,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:48:58,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14635711] [2022-03-20 02:48:58,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:58,450 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:48:58,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:58,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:48:58,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:48:58,451 INFO L87 Difference]: Start difference. First operand 6867 states and 9923 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) [2022-03-20 02:49:03,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:04,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:06,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:08,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:10,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:15,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:16,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:18,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:21,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:23,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:26,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:28,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:37,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:39,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:41,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:43,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:49:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:49:56,818 INFO L93 Difference]: Finished difference Result 7919 states and 11546 transitions. [2022-03-20 02:49:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-20 02:49:56,818 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 62 [2022-03-20 02:49:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:49:56,854 INFO L225 Difference]: With dead ends: 7919 [2022-03-20 02:49:56,855 INFO L226 Difference]: Without dead ends: 7902 [2022-03-20 02:49:56,859 INFO L912 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 [2022-03-20 02:49:56,861 INFO L913 BasicCegarLoop]: 2393 mSDtfsCounter, 4431 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 11350 mSolverCounterSat, 2830 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4641 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 14190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 11350 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:49:56,861 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4641 Valid, 4395 Invalid, 14190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2830 Valid, 11350 Invalid, 10 Unknown, 0 Unchecked, 56.6s Time] [2022-03-20 02:49:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2022-03-20 02:49:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 6865. [2022-03-20 02:49:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 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), 464 states have return successors, (1896), 1840 states have call predecessors, (1896), 1844 states have call successors, (1896) [2022-03-20 02:49:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9919 transitions. [2022-03-20 02:49:57,811 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9919 transitions. Word has length 62 [2022-03-20 02:49:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:49:57,811 INFO L478 AbstractCegarLoop]: Abstraction has 6865 states and 9919 transitions. [2022-03-20 02:49:57,811 INFO L479 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) [2022-03-20 02:49:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9919 transitions. [2022-03-20 02:49:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-20 02:49:57,812 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:49:57,812 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:49:57,812 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 02:49:57,813 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:49:57,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:49:57,814 INFO L85 PathProgramCache]: Analyzing trace with hash -141785718, now seen corresponding path program 1 times [2022-03-20 02:49:57,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:49:57,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764350920] [2022-03-20 02:49:57,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:49:57,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:49:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:49:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:49:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:49:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 02:49:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:49:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:49:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:49:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:49:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:49:58,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764350920] [2022-03-20 02:49:58,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764350920] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:49:58,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:49:58,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-20 02:49:58,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550798402] [2022-03-20 02:49:58,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:49:58,412 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-20 02:49:58,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:49:58,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-20 02:49:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-03-20 02:49:58,412 INFO L87 Difference]: Start difference. First operand 6865 states and 9919 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) [2022-03-20 02:50:05,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:07,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:10,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:12,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:14,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:19,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:21,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:22,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:24,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:26,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:28,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:29,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:31,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:33,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:35,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:37,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:39,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:41,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:55,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:50:57,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:00,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:01,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:04,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:06,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:51:23,536 INFO L93 Difference]: Finished difference Result 7959 states and 11594 transitions. [2022-03-20 02:51:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-20 02:51:23,536 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 58 [2022-03-20 02:51:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:51:23,554 INFO L225 Difference]: With dead ends: 7959 [2022-03-20 02:51:23,554 INFO L226 Difference]: Without dead ends: 7915 [2022-03-20 02:51:23,575 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-03-20 02:51:23,588 INFO L913 BasicCegarLoop]: 2373 mSDtfsCounter, 4444 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 19146 mSolverCounterSat, 2858 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4648 SdHoareTripleChecker+Valid, 5276 SdHoareTripleChecker+Invalid, 22022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2858 IncrementalHoareTripleChecker+Valid, 19146 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:51:23,589 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4648 Valid, 5276 Invalid, 22022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2858 Valid, 19146 Invalid, 18 Unknown, 0 Unchecked, 82.1s Time] [2022-03-20 02:51:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7915 states. [2022-03-20 02:51:24,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7915 to 6870. [2022-03-20 02:51:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6870 states, 4549 states have (on average 1.3567817102659925) internal successors, (6172), 4662 states have internal predecessors, (6172), 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) [2022-03-20 02:51:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6870 states to 6870 states and 9926 transitions. [2022-03-20 02:51:24,544 INFO L78 Accepts]: Start accepts. Automaton has 6870 states and 9926 transitions. Word has length 58 [2022-03-20 02:51:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:51:24,544 INFO L478 AbstractCegarLoop]: Abstraction has 6870 states and 9926 transitions. [2022-03-20 02:51:24,545 INFO L479 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) [2022-03-20 02:51:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 6870 states and 9926 transitions. [2022-03-20 02:51:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-20 02:51:24,546 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:51:24,546 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:51:24,546 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 02:51:24,546 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:51:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:51:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1102978763, now seen corresponding path program 1 times [2022-03-20 02:51:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:51:24,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977895475] [2022-03-20 02:51:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:51:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:51:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:51:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:51:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:51:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 02:51:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:51:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:51:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:51:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:51:25,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:51:25,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977895475] [2022-03-20 02:51:25,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977895475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:51:25,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:51:25,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 02:51:25,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656083685] [2022-03-20 02:51:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:51:25,039 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 02:51:25,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:51:25,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 02:51:25,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:51:25,039 INFO L87 Difference]: Start difference. First operand 6870 states and 9926 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) [2022-03-20 02:51:31,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:32,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:34,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:36,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:38,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:40,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:45,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:46,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:48,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:50,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:52,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:55,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:57,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:51:59,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:01,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:03,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:14,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:16,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:18,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:20,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:22,873 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 [] [2022-03-20 02:52:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:52:37,747 INFO L93 Difference]: Finished difference Result 7950 states and 11581 transitions. [2022-03-20 02:52:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-20 02:52:37,747 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 58 [2022-03-20 02:52:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:52:37,765 INFO L225 Difference]: With dead ends: 7950 [2022-03-20 02:52:37,765 INFO L226 Difference]: Without dead ends: 7906 [2022-03-20 02:52:37,768 INFO L912 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 [2022-03-20 02:52:37,768 INFO L913 BasicCegarLoop]: 2356 mSDtfsCounter, 4441 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 13690 mSolverCounterSat, 2843 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4650 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 16549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2843 IncrementalHoareTripleChecker+Valid, 13690 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.0s IncrementalHoareTripleChecker+Time [2022-03-20 02:52:37,768 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4650 Valid, 4398 Invalid, 16549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2843 Valid, 13690 Invalid, 16 Unknown, 0 Unchecked, 70.0s Time] [2022-03-20 02:52:37,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2022-03-20 02:52:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 6862. [2022-03-20 02:52:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 4543 states have (on average 1.357032797710764) internal successors, (6165), 4656 states have internal predecessors, (6165), 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) [2022-03-20 02:52:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9915 transitions. [2022-03-20 02:52:38,833 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9915 transitions. Word has length 58 [2022-03-20 02:52:38,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:52:38,833 INFO L478 AbstractCegarLoop]: Abstraction has 6862 states and 9915 transitions. [2022-03-20 02:52:38,833 INFO L479 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) [2022-03-20 02:52:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9915 transitions. [2022-03-20 02:52:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-20 02:52:38,846 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:52:38,846 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:52:38,846 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 02:52:38,846 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:52:38,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:52:38,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2138029317, now seen corresponding path program 1 times [2022-03-20 02:52:38,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:52:38,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808155534] [2022-03-20 02:52:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:52:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:52:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:52:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:52:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:52:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 02:52:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-20 02:52:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:52:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:52:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:52:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:52:39,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:52:39,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808155534] [2022-03-20 02:52:39,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808155534] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:52:39,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:52:39,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-03-20 02:52:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683629336] [2022-03-20 02:52:39,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:52:39,403 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-20 02:52:39,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:52:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-20 02:52:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-20 02:52:39,404 INFO L87 Difference]: Start difference. First operand 6862 states and 9915 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) [2022-03-20 02:52:46,983 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 [] [2022-03-20 02:52:49,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:54,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:56,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:52:58,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:00,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:02,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:03,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:05,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:07,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:09,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:11,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:13,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:15,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:18,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:31,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:33,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:35,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:37,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:39,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:41,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:53:58,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:53:58,671 INFO L93 Difference]: Finished difference Result 7917 states and 11541 transitions. [2022-03-20 02:53:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-20 02:53:58,671 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 62 [2022-03-20 02:53:58,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:53:58,691 INFO L225 Difference]: With dead ends: 7917 [2022-03-20 02:53:58,691 INFO L226 Difference]: Without dead ends: 7897 [2022-03-20 02:53:58,694 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2022-03-20 02:53:58,700 INFO L913 BasicCegarLoop]: 2376 mSDtfsCounter, 2835 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 18875 mSolverCounterSat, 1777 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 5612 SdHoareTripleChecker+Invalid, 20666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 18875 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.1s IncrementalHoareTripleChecker+Time [2022-03-20 02:53:58,700 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3042 Valid, 5612 Invalid, 20666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1777 Valid, 18875 Invalid, 14 Unknown, 0 Unchecked, 77.1s Time] [2022-03-20 02:53:58,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7897 states. [2022-03-20 02:53:59,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7897 to 6860. [2022-03-20 02:53:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 4542 states have (on average 1.3568912373403788) internal successors, (6163), 4655 states have internal predecessors, (6163), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 463 states have return successors, (1894), 1838 states have call predecessors, (1894), 1843 states have call successors, (1894) [2022-03-20 02:53:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9911 transitions. [2022-03-20 02:53:59,732 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9911 transitions. Word has length 62 [2022-03-20 02:53:59,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:53:59,732 INFO L478 AbstractCegarLoop]: Abstraction has 6860 states and 9911 transitions. [2022-03-20 02:53:59,732 INFO L479 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) [2022-03-20 02:53:59,732 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9911 transitions. [2022-03-20 02:53:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 02:53:59,733 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:53:59,734 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:53:59,734 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 02:53:59,734 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:53:59,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:53:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1780445093, now seen corresponding path program 1 times [2022-03-20 02:53:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:53:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987639694] [2022-03-20 02:53:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:53:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:53:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:53:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:53:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:54:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:54:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-03-20 02:54:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:54:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-20 02:54:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:54:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:54:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:54:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:54:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987639694] [2022-03-20 02:54:00,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987639694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:54:00,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:54:00,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-03-20 02:54:00,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634751513] [2022-03-20 02:54:00,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:54:00,239 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-20 02:54:00,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:54:00,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-20 02:54:00,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-03-20 02:54:00,240 INFO L87 Difference]: Start difference. First operand 6860 states and 9911 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) [2022-03-20 02:54:07,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:09,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:11,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:12,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:15,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:17,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:19,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:21,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:27,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:29,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:32,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:34,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:36,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:38,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:40,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:42,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:45,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:47,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:49,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:54:51,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:01,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:09,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:12,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:14,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:16,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:18,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:20,192 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 [] [2022-03-20 02:55:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:55:41,669 INFO L93 Difference]: Finished difference Result 8978 states and 13322 transitions. [2022-03-20 02:55:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-20 02:55:41,670 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 4 states have return successors, (7), 4 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2022-03-20 02:55:41,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:55:41,699 INFO L225 Difference]: With dead ends: 8978 [2022-03-20 02:55:41,699 INFO L226 Difference]: Without dead ends: 8933 [2022-03-20 02:55:41,703 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2022-03-20 02:55:41,703 INFO L913 BasicCegarLoop]: 2428 mSDtfsCounter, 4877 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 21865 mSolverCounterSat, 3388 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5085 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 25273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3388 IncrementalHoareTripleChecker+Valid, 21865 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:55:41,704 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5085 Valid, 5446 Invalid, 25273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3388 Valid, 21865 Invalid, 20 Unknown, 0 Unchecked, 97.4s Time] [2022-03-20 02:55:41,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8933 states. [2022-03-20 02:55:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8933 to 6865. [2022-03-20 02:55:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 states, 4546 states have (on average 1.3565772107347118) internal successors, (6167), 4659 states have internal predecessors, (6167), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 464 states have return successors, (1897), 1839 states have call predecessors, (1897), 1843 states have call successors, (1897) [2022-03-20 02:55:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9918 transitions. [2022-03-20 02:55:43,007 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9918 transitions. Word has length 66 [2022-03-20 02:55:43,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:55:43,007 INFO L478 AbstractCegarLoop]: Abstraction has 6865 states and 9918 transitions. [2022-03-20 02:55:43,007 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 4 states have return successors, (7), 4 states have call predecessors, (7), 1 states have call successors, (7) [2022-03-20 02:55:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9918 transitions. [2022-03-20 02:55:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 02:55:43,009 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:55:43,009 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:55:43,009 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 02:55:43,009 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:55:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:55:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1847451846, now seen corresponding path program 1 times [2022-03-20 02:55:43,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:55:43,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128458759] [2022-03-20 02:55:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:55:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:55:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:55:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-03-20 02:55:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-20 02:55:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-03-20 02:55:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:55:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-20 02:55:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-20 02:55:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:55:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 02:55:43,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:55:43,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128458759] [2022-03-20 02:55:43,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128458759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:55:43,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:55:43,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-20 02:55:43,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606955277] [2022-03-20 02:55:43,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:55:43,543 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-20 02:55:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:55:43,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-20 02:55:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-03-20 02:55:43,544 INFO L87 Difference]: Start difference. First operand 6865 states and 9918 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-03-20 02:55:49,700 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 [] [2022-03-20 02:55:51,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:54,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:56,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:55:58,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []