/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:01:42,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:01:42,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:01:42,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 03:01:42,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 03:01:42,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 03:01:42,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 03:01:42,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 03:01:42,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 03:01:42,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 03:01:42,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 03:01:42,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 03:01:42,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:01:42,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:01:42,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:01:42,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:01:42,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:01:42,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:01:42,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:01:42,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:01:42,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:01:42,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:01:42,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:01:42,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:01:42,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 03:01:42,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 03:01:42,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 03:01:42,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 03:01:42,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 03:01:42,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 03:01:42,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 03:01:42,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 03:01:42,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 03:01:42,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 03:01:42,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 03:01:42,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 03:01:42,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 03:01:42,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 03:01:42,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:01:42,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:01:42,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:01:42,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-15 03:01:42,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:01:42,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:01:42,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:01:42,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:01:42,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:01:42,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:01:42,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:01:42,525 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:01:42,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:01:42,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:01:42,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:01:42,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:01:42,759 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:01:42,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-02-15 03:01:42,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af203332/87616ea6b72848dbbe56c1ab9e257e01/FLAG0f33ffbf9 [2022-02-15 03:01:43,503 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:01:43,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c [2022-02-15 03:01:43,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af203332/87616ea6b72848dbbe56c1ab9e257e01/FLAG0f33ffbf9 [2022-02-15 03:01:43,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af203332/87616ea6b72848dbbe56c1ab9e257e01 [2022-02-15 03:01:43,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:01:43,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:01:43,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:01:43,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:01:43,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:01:43,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:01:43" (1/1) ... [2022-02-15 03:01:43,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344926a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:43, skipping insertion in model container [2022-02-15 03:01:43,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:01:43" (1/1) ... [2022-02-15 03:01:43,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:01:43,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:01:44,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c[86591,86604] [2022-02-15 03:01:45,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:01:45,797 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:01:45,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/parport.i.cil-2.c[86591,86604] [2022-02-15 03:01:46,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:01:46,090 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:01:46,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46 WrapperNode [2022-02-15 03:01:46,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:01:46,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:01:46,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:01:46,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:01:46,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:01:46,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:01:46,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:01:46,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:01:46,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (1/1) ... [2022-02-15 03:01:46,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:01:46,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:01:46,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 03:01:46,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~TO~VOID [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-15 03:01:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlIntegerToUnicodeString [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlUnicodeStringToInteger [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAppendUnicodeStringToString [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2022-02-15 03:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2022-02-15 03:01:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeDpc [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInsertQueueDpc [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireCancelSpinLock [2022-02-15 03:01:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoConnectInterrupt [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoInitializeRemoveLockEx [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockEx [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseRemoveLockAndWaitEx [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2022-02-15 03:01:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfReferenceObject [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwQueryValueKey [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwSetValueKey [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpPnpIrpInfo [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLockAndWait [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceList [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptUnload [2022-02-15 03:01:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCleanRemovalRelationsList [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAddPptRemovalRelation [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRemovePptRemovalRelation [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpPptRemovalRelationsStruct [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchInternalDeviceControl [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2022-02-15 03:01:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCreate [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchClose [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfNon1284_3Present [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStl1284_3 [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckIfStlProductId [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectChipFilter [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortType [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectPortCapabilities [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPortIfUserRequested [2022-02-15 03:01:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetChipMode [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearChipMode [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2022-02-15 03:01:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2022-02-15 03:01:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCheckByteMode [2022-02-15 03:01:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2022-02-15 03:01:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFindNatChip [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildResourceList [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBuildRemovalRelations [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanPciCardCmResourceList [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsPci [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpInitDispatchFunctionTable [2022-02-15 03:01:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpAddDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPnp [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartScanCmResourceList [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStartValidateResources [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterResourceRequirements [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryDeviceRelations [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryStopDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelStopDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpStopDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpQueryRemoveDevice [2022-02-15 03:01:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpCancelRemoveDevice [2022-02-15 03:01:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpRemoveDevice [2022-02-15 03:01:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpSurpriseRemoval [2022-02-15 03:01:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-15 03:01:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2022-02-15 03:01:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure InitNEC_98 [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPower [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2022-02-15 03:01:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipCheckDevice [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegInitDriverSettings [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegGetDeviceParameterDword [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptRegSetDeviceParameterDword [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPreProcessIrp [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchPostProcessIrp [2022-02-15 03:01:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptConnectInterrupt [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedRead [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedQueue [2022-02-15 03:01:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDisconnect [2022-02-15 03:01:46,520 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCancelRoutine [2022-02-15 03:01:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortDpc [2022-02-15 03:01:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePortAtInterruptLevel [2022-02-15 03:01:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePortFromInterruptLevel [2022-02-15 03:01:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInterruptService [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTryAllocatePort [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTraversePortCheckList [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptQueryNumWaiters [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildParallelPortDeviceName [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitializeDeviceExtension [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptGetPortNumberFromLptName [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptBuildDeviceObject [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiInitWmi [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchSystemControl [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiRegInfo [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure PptWmiQueryWmiDataBlock [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-15 03:01:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-02-15 03:01:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-15 03:01:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-02-15 03:01:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:01:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:01:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlIntegerToUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlUnicodeStringToInteger [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAppendUnicodeStringToString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2022-02-15 03:01:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeDpc [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeInsertQueueDpc [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-02-15 03:01:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-15 03:01:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-02-15 03:01:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-02-15 03:01:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2022-02-15 03:01:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-02-15 03:01:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireCancelSpinLock [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoConnectInterrupt [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-02-15 03:01:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoInitializeRemoveLockEx [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockEx [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseRemoveLockAndWaitEx [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2022-02-15 03:01:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ObfReferenceObject [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ZwQueryValueKey [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure ZwSetValueKey [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiInitWmi [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchSystemControl [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpInitDispatchFunctionTable [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpAddDevice [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPnp [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPreProcessIrp [2022-02-15 03:01:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPostProcessIrp [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptUnload [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptConnectInterrupt [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCreate [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchClose [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedRead [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedQueue [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDisconnect [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptCancelRoutine [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortDpc [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePortAtInterruptLevel [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePortFromInterruptLevel [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptInterruptService [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptTryAllocatePort [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptTraversePortCheckList [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2022-02-15 03:01:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure PptQueryNumWaiters [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchInternalDeviceControl [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchPower [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegInitDriverSettings [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNameFromPhysicalDeviceObject [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpPnpIrpInfo [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLockAndWait [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceList [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectChipFilter [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortType [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetChipMode [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearChipMode [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2022-02-15 03:01:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegGetDeviceParameterDword [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptRegSetDeviceParameterDword [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildParallelPortDeviceName [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitializeDeviceExtension [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptGetPortNumberFromLptName [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildDeviceObject [2022-02-15 03:01:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptCleanRemovalRelationsList [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptAddPptRemovalRelation [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptRemovePptRemovalRelation [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpPptRemovalRelationsStruct [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStl1284_3 [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfNon1284_3Present [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckIfStlProductId [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectPortCapabilities [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfDot3DevicePresent [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPortIfUserRequested [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptFindNatChip [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptBuildResourceList [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2022-02-15 03:01:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure PptCheckByteMode [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterResourceRequirements [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryDeviceRelations [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryStopDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelStopDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStopDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpQueryRemoveDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpCancelRemoveDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpRemoveDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpSurpriseRemoval [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartDevice [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartValidateResources [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanCmResourceList [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptors [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterNukeIrqResourceDescriptorsFromAllLists [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterGetEndOfResourceRequirementsList [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpListContainsIrqResourceDescriptor [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2022-02-15 03:01:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBuildRemovalRelations [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpStartScanPciCardCmResourceList [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsPci [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure InitNEC_98 [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipCheckDevice [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~TO~VOID [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiRegInfo [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure PptWmiQueryWmiDataBlock [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:01:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:01:47,384 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:01:47,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:01:47,414 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,439 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:47,439 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:47,660 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,773 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-02-15 03:01:47,773 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-02-15 03:01:47,795 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,829 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-15 03:01:47,829 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-15 03:01:47,829 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,837 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:47,837 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:47,951 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,981 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-02-15 03:01:47,981 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-02-15 03:01:47,981 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:47,988 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:47,989 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:48,189 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:48,205 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:48,205 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:48,285 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:48,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 03:01:48,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 03:01:48,354 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:48,383 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-15 03:01:48,383 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-15 03:01:48,384 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:48,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 03:01:48,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 03:01:48,413 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:48,417 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:48,417 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:48,600 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:51,953 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-02-15 03:01:51,953 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-02-15 03:01:54,062 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:54,065 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:54,065 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:54,137 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:54,137 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:54,628 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-02-15 03:01:54,628 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-02-15 03:01:54,629 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-02-15 03:01:54,629 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-02-15 03:01:54,813 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:54,818 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:54,818 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:54,918 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:54,924 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:54,925 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,272 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,277 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,277 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,277 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,282 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,283 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,299 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,304 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,304 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,304 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,308 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,308 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,308 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,418 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,430 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,506 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,510 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,510 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,519 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,523 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,906 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,911 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:55,911 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:55,917 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:55,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-02-15 03:01:55,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-02-15 03:01:55,943 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:56,029 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !false; [2022-02-15 03:01:56,029 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume false; [2022-02-15 03:01:56,194 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:56,197 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:56,198 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:56,298 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:56,332 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-02-15 03:01:56,332 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-02-15 03:01:56,383 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:58,807 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2022-02-15 03:01:58,808 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2022-02-15 03:01:58,855 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:58,884 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 03:01:58,885 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 03:01:58,885 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:58,902 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-02-15 03:01:58,902 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-02-15 03:01:58,940 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:58,949 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-15 03:01:58,949 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-15 03:01:59,042 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:59,046 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-15 03:01:59,046 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-15 03:01:59,188 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:01:59,202 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-02-15 03:01:59,202 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-02-15 03:01:59,318 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:01:59,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:01:59,342 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2022-02-15 03:01:59,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:01:59 BoogieIcfgContainer [2022-02-15 03:01:59,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:01:59,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:01:59,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:01:59,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:01:59,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:01:43" (1/3) ... [2022-02-15 03:01:59,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab9c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:01:59, skipping insertion in model container [2022-02-15 03:01:59,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:01:46" (2/3) ... [2022-02-15 03:01:59,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab9c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:01:59, skipping insertion in model container [2022-02-15 03:01:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:01:59" (3/3) ... [2022-02-15 03:01:59,353 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-2.c [2022-02-15 03:01:59,357 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:01:59,358 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:01:59,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:01:59,409 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-15 03:01:59,409 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:01:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 2250 states, 1521 states have (on average 1.4372123602892835) internal successors, (2186), 1577 states have internal predecessors, (2186), 562 states have call successors, (562), 151 states have call predecessors, (562), 151 states have return successors, (562), 547 states have call predecessors, (562), 562 states have call successors, (562) [2022-02-15 03:01:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-15 03:01:59,461 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:01:59,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:01:59,461 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:01:59,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:01:59,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2073400986, now seen corresponding path program 1 times [2022-02-15 03:01:59,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:01:59,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267501684] [2022-02-15 03:01:59,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:01:59,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:01:59,580 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:01:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-15 03:02:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:00,141 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:00,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267501684] [2022-02-15 03:02:00,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [267501684] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:00,142 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:00,143 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:02:00,143 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503304764] [2022-02-15 03:02:00,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:00,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:02:00,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:00,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:02:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:00,173 INFO L87 Difference]: Start difference. First operand has 2250 states, 1521 states have (on average 1.4372123602892835) internal successors, (2186), 1577 states have internal predecessors, (2186), 562 states have call successors, (562), 151 states have call predecessors, (562), 151 states have return successors, (562), 547 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-15 03:02:04,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:08,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:10,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:15,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:21,100 INFO L93 Difference]: Finished difference Result 4216 states and 6551 transitions. [2022-02-15 03:02:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:02:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-02-15 03:02:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:21,133 INFO L225 Difference]: With dead ends: 4216 [2022-02-15 03:02:21,133 INFO L226 Difference]: Without dead ends: 2226 [2022-02-15 03:02:21,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:21,159 INFO L933 BasicCegarLoop]: 2421 mSDtfsCounter, 3234 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 5327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 3764 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:21,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 2782 Invalid, 5327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 3764 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time] [2022-02-15 03:02:21,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-02-15 03:02:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1985. [2022-02-15 03:02:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1335 states have (on average 1.3745318352059925) internal successors, (1835), 1385 states have internal predecessors, (1835), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-15 03:02:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2849 transitions. [2022-02-15 03:02:21,629 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2849 transitions. Word has length 22 [2022-02-15 03:02:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:21,629 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2849 transitions. [2022-02-15 03:02:21,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-15 03:02:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2849 transitions. [2022-02-15 03:02:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-15 03:02:21,631 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:21,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:02:21,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:21,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1828450504, now seen corresponding path program 1 times [2022-02-15 03:02:21,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:21,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579438526] [2022-02-15 03:02:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:21,695 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:02:21,695 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:02:21,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:21,710 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-15 03:02:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:21,988 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:21,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579438526] [2022-02-15 03:02:21,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1579438526] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:21,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:21,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:02:21,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217028091] [2022-02-15 03:02:21,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:21,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:02:21,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:21,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:02:21,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:21,990 INFO L87 Difference]: Start difference. First operand 1985 states and 2849 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-15 03:02:28,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:30,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:34,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:35,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:37,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:39,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:47,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:49,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:57,209 INFO L93 Difference]: Finished difference Result 4204 states and 6084 transitions. [2022-02-15 03:02:57,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:02:57,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-15 03:02:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:57,223 INFO L225 Difference]: With dead ends: 4204 [2022-02-15 03:02:57,223 INFO L226 Difference]: Without dead ends: 2228 [2022-02-15 03:02:57,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:57,235 INFO L933 BasicCegarLoop]: 2407 mSDtfsCounter, 1661 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 6950 mSolverCounterSat, 587 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 7542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 6950 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:57,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2064 Valid, 3039 Invalid, 7542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [587 Valid, 6950 Invalid, 5 Unknown, 0 Unchecked, 34.2s Time] [2022-02-15 03:02:57,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-02-15 03:02:57,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1987. [2022-02-15 03:02:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1337 states have (on average 1.3739715781600599) internal successors, (1837), 1387 states have internal predecessors, (1837), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-15 03:02:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2851 transitions. [2022-02-15 03:02:57,609 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2851 transitions. Word has length 24 [2022-02-15 03:02:57,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:57,610 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2851 transitions. [2022-02-15 03:02:57,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-15 03:02:57,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2851 transitions. [2022-02-15 03:02:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-15 03:02:57,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:57,623 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:57,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:02:57,623 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2001282986, now seen corresponding path program 2 times [2022-02-15 03:02:57,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:57,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946060097] [2022-02-15 03:02:57,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:57,638 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:02:57,638 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:02:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:57,650 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:02:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:58,039 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:58,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946060097] [2022-02-15 03:02:58,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [946060097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:58,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:58,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:02:58,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262408497] [2022-02-15 03:02:58,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:58,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:02:58,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:58,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:02:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:58,041 INFO L87 Difference]: Start difference. First operand 1987 states and 2851 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-15 03:03:03,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:06,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:08,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:10,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:12,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:18,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:26,523 INFO L93 Difference]: Finished difference Result 2247 states and 3269 transitions. [2022-02-15 03:03:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:03:26,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-02-15 03:03:26,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:26,536 INFO L225 Difference]: With dead ends: 2247 [2022-02-15 03:03:26,536 INFO L226 Difference]: Without dead ends: 2227 [2022-02-15 03:03:26,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:26,538 INFO L933 BasicCegarLoop]: 2408 mSDtfsCounter, 1666 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 587 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:26,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2069 Valid, 2731 Invalid, 4916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [587 Valid, 4325 Invalid, 4 Unknown, 0 Unchecked, 27.5s Time] [2022-02-15 03:03:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-02-15 03:03:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1987. [2022-02-15 03:03:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1337 states have (on average 1.3732236350037397) internal successors, (1836), 1387 states have internal predecessors, (1836), 517 states have call successors, (517), 134 states have call predecessors, (517), 132 states have return successors, (497), 488 states have call predecessors, (497), 497 states have call successors, (497) [2022-02-15 03:03:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2850 transitions. [2022-02-15 03:03:26,981 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2850 transitions. Word has length 26 [2022-02-15 03:03:26,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:26,981 INFO L470 AbstractCegarLoop]: Abstraction has 1987 states and 2850 transitions. [2022-02-15 03:03:26,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-15 03:03:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2850 transitions. [2022-02-15 03:03:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 03:03:26,986 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:26,986 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:26,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:03:26,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:26,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash 685714251, now seen corresponding path program 1 times [2022-02-15 03:03:26,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:26,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760168847] [2022-02-15 03:03:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:03:26,993 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:03:26,994 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:03:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:27,008 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:03:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:03:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:27,506 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:27,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760168847] [2022-02-15 03:03:27,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1760168847] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:27,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:27,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:03:27,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250473779] [2022-02-15 03:03:27,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:27,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:03:27,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:27,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:03:27,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:27,508 INFO L87 Difference]: Start difference. First operand 1987 states and 2850 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:03:33,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:38,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:03:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:53,282 INFO L93 Difference]: Finished difference Result 5164 states and 7515 transitions. [2022-02-15 03:03:53,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:03:53,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-02-15 03:03:53,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:53,320 INFO L225 Difference]: With dead ends: 5164 [2022-02-15 03:03:53,320 INFO L226 Difference]: Without dead ends: 3851 [2022-02-15 03:03:53,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:03:53,328 INFO L933 BasicCegarLoop]: 2758 mSDtfsCounter, 7390 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4034 mSolverCounterSat, 3974 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7770 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3974 IncrementalHoareTripleChecker+Valid, 4034 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:53,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7770 Valid, 3254 Invalid, 8010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3974 Valid, 4034 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2022-02-15 03:03:53,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2022-02-15 03:03:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3718. [2022-02-15 03:03:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2512 states have (on average 1.3694267515923566) internal successors, (3440), 2583 states have internal predecessors, (3440), 957 states have call successors, (957), 248 states have call predecessors, (957), 248 states have return successors, (997), 924 states have call predecessors, (997), 940 states have call successors, (997) [2022-02-15 03:03:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5394 transitions. [2022-02-15 03:03:54,153 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5394 transitions. Word has length 35 [2022-02-15 03:03:54,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:54,153 INFO L470 AbstractCegarLoop]: Abstraction has 3718 states and 5394 transitions. [2022-02-15 03:03:54,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-15 03:03:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5394 transitions. [2022-02-15 03:03:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 03:03:54,156 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:54,157 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:54,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:03:54,157 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:54,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1042375609, now seen corresponding path program 1 times [2022-02-15 03:03:54,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:54,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024826586] [2022-02-15 03:03:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:03:54,164 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:03:54,164 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:03:54,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:54,179 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:03:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:03:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-15 03:03:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:03:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:03:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:54,719 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:54,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024826586] [2022-02-15 03:03:54,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2024826586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:54,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:54,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:03:54,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438887272] [2022-02-15 03:03:54,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:54,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:03:54,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:54,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:03:54,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:03:54,721 INFO L87 Difference]: Start difference. First operand 3718 states and 5394 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-15 03:04:02,698 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 [] [2022-02-15 03:04:03,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:05,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:07,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:09,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:14,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:15,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:17,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:19,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:26,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:28,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:30,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:04:50,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:04:50,164 INFO L93 Difference]: Finished difference Result 5360 states and 7828 transitions. [2022-02-15 03:04:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 03:04:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2022-02-15 03:04:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:04:50,196 INFO L225 Difference]: With dead ends: 5360 [2022-02-15 03:04:50,196 INFO L226 Difference]: Without dead ends: 5349 [2022-02-15 03:04:50,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-15 03:04:50,218 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 8270 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 9792 mSolverCounterSat, 6372 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8308 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 16171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6372 IncrementalHoareTripleChecker+Valid, 9792 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:04:50,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8308 Valid, 3921 Invalid, 16171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6372 Valid, 9792 Invalid, 7 Unknown, 0 Unchecked, 51.7s Time] [2022-02-15 03:04:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-02-15 03:04:51,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4533. [2022-02-15 03:04:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3017 states have (on average 1.3619489559164732) internal successors, (4109), 3098 states have internal predecessors, (4109), 1206 states have call successors, (1206), 304 states have call predecessors, (1206), 309 states have return successors, (1252), 1174 states have call predecessors, (1252), 1189 states have call successors, (1252) [2022-02-15 03:04:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6567 transitions. [2022-02-15 03:04:51,329 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6567 transitions. Word has length 51 [2022-02-15 03:04:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:04:51,332 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6567 transitions. [2022-02-15 03:04:51,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-15 03:04:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6567 transitions. [2022-02-15 03:04:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-15 03:04:51,338 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:04:51,339 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:04:51,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:04:51,339 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:04:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:04:51,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1810806331, now seen corresponding path program 1 times [2022-02-15 03:04:51,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:04:51,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972872284] [2022-02-15 03:04:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:04:51,345 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:04:51,346 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:04:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:04:51,362 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:04:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:04:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:04:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:04:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-15 03:04:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:04:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:04:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:04:52,109 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:04:52,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972872284] [2022-02-15 03:04:52,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [972872284] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:04:52,109 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:04:52,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:04:52,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263851797] [2022-02-15 03:04:52,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:04:52,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:04:52,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:04:52,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:04:52,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:04:52,111 INFO L87 Difference]: Start difference. First operand 4533 states and 6567 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-15 03:04:58,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:01,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:03,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:05,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:07,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:11,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:13,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:15,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:23,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:25,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:27,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:47,106 INFO L93 Difference]: Finished difference Result 5351 states and 7813 transitions. [2022-02-15 03:05:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 03:05:47,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2022-02-15 03:05:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:47,130 INFO L225 Difference]: With dead ends: 5351 [2022-02-15 03:05:47,130 INFO L226 Difference]: Without dead ends: 5343 [2022-02-15 03:05:47,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2022-02-15 03:05:47,133 INFO L933 BasicCegarLoop]: 2995 mSDtfsCounter, 10147 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 9698 mSolverCounterSat, 7951 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10185 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 17657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7951 IncrementalHoareTripleChecker+Valid, 9698 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:47,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10185 Valid, 3975 Invalid, 17657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7951 Valid, 9698 Invalid, 8 Unknown, 0 Unchecked, 51.3s Time] [2022-02-15 03:05:47,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2022-02-15 03:05:48,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 4533. [2022-02-15 03:05:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3017 states have (on average 1.3616175008286378) internal successors, (4108), 3098 states have internal predecessors, (4108), 1206 states have call successors, (1206), 304 states have call predecessors, (1206), 309 states have return successors, (1252), 1174 states have call predecessors, (1252), 1189 states have call successors, (1252) [2022-02-15 03:05:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6566 transitions. [2022-02-15 03:05:48,226 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6566 transitions. Word has length 52 [2022-02-15 03:05:48,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:48,226 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 6566 transitions. [2022-02-15 03:05:48,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-15 03:05:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6566 transitions. [2022-02-15 03:05:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-15 03:05:48,231 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:48,231 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:48,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:05:48,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:48,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash 889605838, now seen corresponding path program 1 times [2022-02-15 03:05:48,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:48,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221959853] [2022-02-15 03:05:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:48,237 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:48,237 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:48,253 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:05:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:05:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-15 03:05:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:48,750 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:48,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221959853] [2022-02-15 03:05:48,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [221959853] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:48,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:48,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:05:48,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067051552] [2022-02-15 03:05:48,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:48,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:05:48,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:48,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:05:48,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:05:48,752 INFO L87 Difference]: Start difference. First operand 4533 states and 6566 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-02-15 03:05:53,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:56,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:05:58,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:02,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:06:17,505 INFO L93 Difference]: Finished difference Result 7586 states and 10960 transitions. [2022-02-15 03:06:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:06:17,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-02-15 03:06:17,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:06:17,536 INFO L225 Difference]: With dead ends: 7586 [2022-02-15 03:06:17,536 INFO L226 Difference]: Without dead ends: 7192 [2022-02-15 03:06:17,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:06:17,542 INFO L933 BasicCegarLoop]: 3297 mSDtfsCounter, 6086 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 3423 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6473 SdHoareTripleChecker+Valid, 3539 SdHoareTripleChecker+Invalid, 7582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3423 IncrementalHoareTripleChecker+Valid, 4157 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:06:17,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6473 Valid, 3539 Invalid, 7582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3423 Valid, 4157 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2022-02-15 03:06:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7192 states. [2022-02-15 03:06:19,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7192 to 7029. [2022-02-15 03:06:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7029 states, 4656 states have (on average 1.361683848797251) internal successors, (6340), 4782 states have internal predecessors, (6340), 1902 states have call successors, (1902), 458 states have call predecessors, (1902), 470 states have return successors, (1967), 1859 states have call predecessors, (1967), 1888 states have call successors, (1967) [2022-02-15 03:06:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 10209 transitions. [2022-02-15 03:06:19,369 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 10209 transitions. Word has length 53 [2022-02-15 03:06:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:06:19,369 INFO L470 AbstractCegarLoop]: Abstraction has 7029 states and 10209 transitions. [2022-02-15 03:06:19,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-02-15 03:06:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 10209 transitions. [2022-02-15 03:06:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-15 03:06:19,371 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:06:19,371 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:06:19,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:06:19,371 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:06:19,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:06:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash 31359280, now seen corresponding path program 1 times [2022-02-15 03:06:19,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:06:19,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044863852] [2022-02-15 03:06:19,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:06:19,376 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:06:19,376 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:06:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:06:19,386 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:06:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:06:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:06:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:06:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-15 03:06:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:06:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:06:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:06:19,789 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:06:19,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044863852] [2022-02-15 03:06:19,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1044863852] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:06:19,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:06:19,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 03:06:19,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128287313] [2022-02-15 03:06:19,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:06:19,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 03:06:19,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:06:19,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 03:06:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:06:19,790 INFO L87 Difference]: Start difference. First operand 7029 states and 10209 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:06:24,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:26,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:31,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:33,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:35,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:50,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:06:50,204 INFO L93 Difference]: Finished difference Result 8265 states and 12062 transitions. [2022-02-15 03:06:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 03:06:50,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2022-02-15 03:06:50,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:06:50,240 INFO L225 Difference]: With dead ends: 8265 [2022-02-15 03:06:50,240 INFO L226 Difference]: Without dead ends: 8236 [2022-02-15 03:06:50,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2022-02-15 03:06:50,244 INFO L933 BasicCegarLoop]: 2147 mSDtfsCounter, 5203 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 3237 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 2793 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3237 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:06:50,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5274 Valid, 2793 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3237 Valid, 3612 Invalid, 4 Unknown, 0 Unchecked, 26.9s Time] [2022-02-15 03:06:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2022-02-15 03:06:52,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 7062. [2022-02-15 03:06:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 4677 states have (on average 1.3600598674363908) internal successors, (6361), 4805 states have internal predecessors, (6361), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 476 states have return successors, (1973), 1864 states have call predecessors, (1973), 1894 states have call successors, (1973) [2022-02-15 03:06:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10242 transitions. [2022-02-15 03:06:52,265 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10242 transitions. Word has length 53 [2022-02-15 03:06:52,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:06:52,265 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10242 transitions. [2022-02-15 03:06:52,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 7 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:06:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10242 transitions. [2022-02-15 03:06:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-15 03:06:52,269 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:06:52,269 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:06:52,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:06:52,270 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:06:52,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:06:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1793225756, now seen corresponding path program 1 times [2022-02-15 03:06:52,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:06:52,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775169810] [2022-02-15 03:06:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:06:52,277 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:06:52,278 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:06:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:06:52,295 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:06:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:52,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:06:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:06:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:06:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-15 03:06:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:06:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:06:52,690 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:06:52,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775169810] [2022-02-15 03:06:52,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [775169810] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:06:52,690 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:06:52,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:06:52,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477178669] [2022-02-15 03:06:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:06:52,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:06:52,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:06:52,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:06:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:06:52,692 INFO L87 Difference]: Start difference. First operand 7062 states and 10242 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:06:55,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:06:58,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:02,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:04,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:06,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:09,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:07:19,798 INFO L93 Difference]: Finished difference Result 7158 states and 10373 transitions. [2022-02-15 03:07:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:07:19,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2022-02-15 03:07:19,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:07:19,823 INFO L225 Difference]: With dead ends: 7158 [2022-02-15 03:07:19,824 INFO L226 Difference]: Without dead ends: 7155 [2022-02-15 03:07:19,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:07:19,827 INFO L933 BasicCegarLoop]: 2411 mSDtfsCounter, 4868 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 2518 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 6249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2518 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:07:19,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5271 Valid, 2726 Invalid, 6249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2518 Valid, 3727 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2022-02-15 03:07:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7155 states. [2022-02-15 03:07:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7155 to 7062. [2022-02-15 03:07:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 4677 states have (on average 1.3598460551635665) internal successors, (6360), 4805 states have internal predecessors, (6360), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 476 states have return successors, (1973), 1864 states have call predecessors, (1973), 1894 states have call successors, (1973) [2022-02-15 03:07:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10241 transitions. [2022-02-15 03:07:21,763 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10241 transitions. Word has length 53 [2022-02-15 03:07:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:07:21,764 INFO L470 AbstractCegarLoop]: Abstraction has 7062 states and 10241 transitions. [2022-02-15 03:07:21,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 03:07:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10241 transitions. [2022-02-15 03:07:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-15 03:07:21,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:07:21,766 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:07:21,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 03:07:21,767 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:07:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:07:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1602343544, now seen corresponding path program 1 times [2022-02-15 03:07:21,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:07:21,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092867516] [2022-02-15 03:07:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:07:21,772 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:07:21,772 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:07:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:07:21,832 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:07:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:07:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:07:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:07:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-15 03:07:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-15 03:07:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:07:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-15 03:07:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:07:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:07:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:07:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:07:22,303 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:07:22,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092867516] [2022-02-15 03:07:22,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2092867516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:07:22,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:07:22,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:07:22,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499635908] [2022-02-15 03:07:22,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:07:22,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:07:22,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:07:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:07:22,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:07:22,305 INFO L87 Difference]: Start difference. First operand 7062 states and 10241 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-15 03:07:27,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:28,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:31,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:33,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:35,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:37,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:42,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:44,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:48,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:49,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:51,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:07:53,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:08:09,395 INFO L93 Difference]: Finished difference Result 14528 states and 21164 transitions. [2022-02-15 03:08:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:08:09,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2022-02-15 03:08:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:08:09,425 INFO L225 Difference]: With dead ends: 14528 [2022-02-15 03:08:09,426 INFO L226 Difference]: Without dead ends: 8139 [2022-02-15 03:08:09,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-02-15 03:08:09,445 INFO L933 BasicCegarLoop]: 2256 mSDtfsCounter, 2836 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 10799 mSolverCounterSat, 1891 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 12697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 10799 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:08:09,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 3544 Invalid, 12697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1891 Valid, 10799 Invalid, 7 Unknown, 0 Unchecked, 43.3s Time] [2022-02-15 03:08:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8139 states. [2022-02-15 03:08:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8139 to 7066. [2022-02-15 03:08:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7066 states, 4680 states have (on average 1.3596153846153847) internal successors, (6363), 4808 states have internal predecessors, (6363), 1908 states have call successors, (1908), 464 states have call predecessors, (1908), 477 states have return successors, (1975), 1865 states have call predecessors, (1975), 1894 states have call successors, (1975) [2022-02-15 03:08:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7066 states to 7066 states and 10246 transitions. [2022-02-15 03:08:11,763 INFO L78 Accepts]: Start accepts. Automaton has 7066 states and 10246 transitions. Word has length 71 [2022-02-15 03:08:11,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:08:11,763 INFO L470 AbstractCegarLoop]: Abstraction has 7066 states and 10246 transitions. [2022-02-15 03:08:11,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 7 states have call predecessors, (14), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-15 03:08:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7066 states and 10246 transitions. [2022-02-15 03:08:11,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-15 03:08:11,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:08:11,766 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:08:11,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 03:08:11,766 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:08:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:08:11,766 INFO L85 PathProgramCache]: Analyzing trace with hash -581333383, now seen corresponding path program 1 times [2022-02-15 03:08:11,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:08:11,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635390770] [2022-02-15 03:08:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:08:11,770 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:08:11,771 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:08:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:08:11,785 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:08:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:08:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:08:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:08:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-15 03:08:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-15 03:08:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:08:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-02-15 03:08:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:08:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:08:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:08:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:08:12,348 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:08:12,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635390770] [2022-02-15 03:08:12,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1635390770] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:08:12,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:08:12,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-15 03:08:12,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836647435] [2022-02-15 03:08:12,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:08:12,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 03:08:12,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:08:12,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 03:08:12,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-15 03:08:12,351 INFO L87 Difference]: Start difference. First operand 7066 states and 10246 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-15 03:08:21,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:23,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:25,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:27,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:29,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:36,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:38,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:47,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:49,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:51,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:53,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:08:55,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:10,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:09:10,674 INFO L93 Difference]: Finished difference Result 13362 states and 19416 transitions. [2022-02-15 03:09:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 03:09:10,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2022-02-15 03:09:10,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:09:10,703 INFO L225 Difference]: With dead ends: 13362 [2022-02-15 03:09:10,704 INFO L226 Difference]: Without dead ends: 7930 [2022-02-15 03:09:10,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-02-15 03:09:10,721 INFO L933 BasicCegarLoop]: 2245 mSDtfsCounter, 6241 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 13563 mSolverCounterSat, 4125 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6448 SdHoareTripleChecker+Valid, 3934 SdHoareTripleChecker+Invalid, 17700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4125 IncrementalHoareTripleChecker+Valid, 13563 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:09:10,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6448 Valid, 3934 Invalid, 17700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4125 Valid, 13563 Invalid, 12 Unknown, 0 Unchecked, 54.4s Time] [2022-02-15 03:09:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7930 states. [2022-02-15 03:09:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7930 to 6889. [2022-02-15 03:09:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6889 states, 4558 states have (on average 1.3573935936814392) internal successors, (6187), 4671 states have internal predecessors, (6187), 1864 states have call successors, (1864), 440 states have call predecessors, (1864), 466 states have return successors, (1905), 1849 states have call predecessors, (1905), 1853 states have call successors, (1905) [2022-02-15 03:09:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6889 states to 6889 states and 9956 transitions. [2022-02-15 03:09:12,803 INFO L78 Accepts]: Start accepts. Automaton has 6889 states and 9956 transitions. Word has length 71 [2022-02-15 03:09:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:09:12,803 INFO L470 AbstractCegarLoop]: Abstraction has 6889 states and 9956 transitions. [2022-02-15 03:09:12,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-02-15 03:09:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 6889 states and 9956 transitions. [2022-02-15 03:09:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-15 03:09:12,805 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:09:12,805 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:09:12,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 03:09:12,806 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:09:12,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:09:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash 978653891, now seen corresponding path program 1 times [2022-02-15 03:09:12,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:09:12,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181693628] [2022-02-15 03:09:12,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:09:12,811 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:09:12,811 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:09:12,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:09:12,824 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:09:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:09:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:09:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:09:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-15 03:09:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:09:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:09:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:09:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:09:13,240 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:09:13,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181693628] [2022-02-15 03:09:13,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [181693628] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:09:13,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:09:13,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:09:13,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032460719] [2022-02-15 03:09:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:09:13,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:09:13,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:09:13,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:09:13,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:09:13,241 INFO L87 Difference]: Start difference. First operand 6889 states and 9956 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:09:18,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:22,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:24,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:26,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:28,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:34,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:36,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:44,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:46,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:47,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:09:49,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:10:02,717 INFO L93 Difference]: Finished difference Result 7942 states and 11580 transitions. [2022-02-15 03:10:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:10:02,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-15 03:10:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:10:02,739 INFO L225 Difference]: With dead ends: 7942 [2022-02-15 03:10:02,740 INFO L226 Difference]: Without dead ends: 7900 [2022-02-15 03:10:02,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:10:02,748 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 2820 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 11206 mSolverCounterSat, 1853 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 13066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 11206 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:10:02,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3028 Valid, 3484 Invalid, 13066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1853 Valid, 11206 Invalid, 7 Unknown, 0 Unchecked, 45.9s Time] [2022-02-15 03:10:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-02-15 03:10:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 6863. [2022-02-15 03:10:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6863 states, 4542 states have (on average 1.3575517393218846) internal successors, (6166), 4655 states have internal predecessors, (6166), 1856 states have call successors, (1856), 438 states have call predecessors, (1856), 464 states have return successors, (1897), 1841 states have call predecessors, (1897), 1845 states have call successors, (1897) [2022-02-15 03:10:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 9919 transitions. [2022-02-15 03:10:05,001 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 9919 transitions. Word has length 54 [2022-02-15 03:10:05,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:10:05,001 INFO L470 AbstractCegarLoop]: Abstraction has 6863 states and 9919 transitions. [2022-02-15 03:10:05,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:10:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 9919 transitions. [2022-02-15 03:10:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-15 03:10:05,003 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:10:05,003 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:10:05,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 03:10:05,003 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:10:05,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:10:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1080534857, now seen corresponding path program 1 times [2022-02-15 03:10:05,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:10:05,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036543047] [2022-02-15 03:10:05,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:10:05,008 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:10:05,008 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:10:05,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:10:05,022 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:10:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:10:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:10:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:10:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-15 03:10:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-15 03:10:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:10:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:10:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:10:05,525 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:10:05,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036543047] [2022-02-15 03:10:05,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2036543047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:10:05,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:10:05,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:10:05,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065757331] [2022-02-15 03:10:05,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:10:05,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:10:05,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:10:05,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:10:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:10:05,526 INFO L87 Difference]: Start difference. First operand 6863 states and 9919 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:10:11,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:13,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:15,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:17,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:21,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:23,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:24,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:27,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:29,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:31,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:33,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:42,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:44,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:46,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:10:48,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:11:01,644 INFO L93 Difference]: Finished difference Result 7915 states and 11542 transitions. [2022-02-15 03:11:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:11:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-02-15 03:11:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:11:01,682 INFO L225 Difference]: With dead ends: 7915 [2022-02-15 03:11:01,682 INFO L226 Difference]: Without dead ends: 7898 [2022-02-15 03:11:01,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:11:01,689 INFO L933 BasicCegarLoop]: 2380 mSDtfsCounter, 4504 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 10804 mSolverCounterSat, 2862 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 13677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2862 IncrementalHoareTripleChecker+Valid, 10804 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:11:01,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4712 Valid, 4337 Invalid, 13677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2862 Valid, 10804 Invalid, 11 Unknown, 0 Unchecked, 52.4s Time] [2022-02-15 03:11:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-02-15 03:11:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 6861. [2022-02-15 03:11:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6861 states, 4541 states have (on average 1.3574102620568156) internal successors, (6164), 4654 states have internal predecessors, (6164), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 464 states have return successors, (1896), 1840 states have call predecessors, (1896), 1844 states have call successors, (1896) [2022-02-15 03:11:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 9915 transitions. [2022-02-15 03:11:03,830 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 9915 transitions. Word has length 58 [2022-02-15 03:11:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:11:03,830 INFO L470 AbstractCegarLoop]: Abstraction has 6861 states and 9915 transitions. [2022-02-15 03:11:03,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:11:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 9915 transitions. [2022-02-15 03:11:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-15 03:11:03,832 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:11:03,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:11:03,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 03:11:03,832 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:11:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:11:03,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1909970758, now seen corresponding path program 1 times [2022-02-15 03:11:03,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:11:03,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690220209] [2022-02-15 03:11:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:11:03,845 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:11:03,845 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:11:03,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:11:03,856 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:11:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:11:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:11:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:11:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-15 03:11:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:11:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:11:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:11:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:11:04,317 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:11:04,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690220209] [2022-02-15 03:11:04,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1690220209] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:11:04,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:11:04,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-15 03:11:04,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726925608] [2022-02-15 03:11:04,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:11:04,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 03:11:04,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:11:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 03:11:04,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:11:04,319 INFO L87 Difference]: Start difference. First operand 6861 states and 9915 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:11:11,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:15,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:17,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:19,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:21,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:28,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:31,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:32,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:34,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:36,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:38,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:40,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:42,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:44,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:46,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:11:48,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:02,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:04,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:06,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:07,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:09,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:11,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:13,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:12:31,892 INFO L93 Difference]: Finished difference Result 7955 states and 11590 transitions. [2022-02-15 03:12:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 03:12:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-15 03:12:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:12:31,917 INFO L225 Difference]: With dead ends: 7955 [2022-02-15 03:12:31,917 INFO L226 Difference]: Without dead ends: 7911 [2022-02-15 03:12:31,922 INFO L932 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 [2022-02-15 03:12:31,923 INFO L933 BasicCegarLoop]: 2375 mSDtfsCounter, 2732 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 19700 mSolverCounterSat, 1751 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 21469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1751 IncrementalHoareTripleChecker+Valid, 19700 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:12:31,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2937 Valid, 5280 Invalid, 21469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1751 Valid, 19700 Invalid, 18 Unknown, 0 Unchecked, 82.3s Time] [2022-02-15 03:12:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7911 states. [2022-02-15 03:12:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7911 to 6866. [2022-02-15 03:12:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6866 states, 4545 states have (on average 1.357095709570957) internal successors, (6168), 4658 states have internal predecessors, (6168), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 465 states have return successors, (1899), 1841 states have call predecessors, (1899), 1844 states have call successors, (1899) [2022-02-15 03:12:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6866 states to 6866 states and 9922 transitions. [2022-02-15 03:12:34,340 INFO L78 Accepts]: Start accepts. Automaton has 6866 states and 9922 transitions. Word has length 54 [2022-02-15 03:12:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:12:34,340 INFO L470 AbstractCegarLoop]: Abstraction has 6866 states and 9922 transitions. [2022-02-15 03:12:34,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:12:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6866 states and 9922 transitions. [2022-02-15 03:12:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-15 03:12:34,342 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:12:34,342 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:12:34,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 03:12:34,342 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:12:34,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:12:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1140232057, now seen corresponding path program 1 times [2022-02-15 03:12:34,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:12:34,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930690502] [2022-02-15 03:12:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:12:34,347 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:12:34,347 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:12:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:12:34,374 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:12:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:12:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:12:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:12:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-15 03:12:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:12:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:12:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:12:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:12:34,750 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:12:34,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930690502] [2022-02-15 03:12:34,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1930690502] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:12:34,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:12:34,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:12:34,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275472378] [2022-02-15 03:12:34,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:12:34,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:12:34,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:12:34,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:12:34,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:12:34,751 INFO L87 Difference]: Start difference. First operand 6866 states and 9922 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:12:42,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:44,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:49,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:51,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:55,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:57,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:12:59,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:01,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:12,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:14,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:16,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:18,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:33,992 INFO L93 Difference]: Finished difference Result 7952 states and 11586 transitions. [2022-02-15 03:13:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 03:13:33,992 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-02-15 03:13:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:34,014 INFO L225 Difference]: With dead ends: 7952 [2022-02-15 03:13:34,014 INFO L226 Difference]: Without dead ends: 7908 [2022-02-15 03:13:34,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-02-15 03:13:34,018 INFO L933 BasicCegarLoop]: 2368 mSDtfsCounter, 4474 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 13258 mSolverCounterSat, 2856 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4682 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 16124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2856 IncrementalHoareTripleChecker+Valid, 13258 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:34,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4682 Valid, 4367 Invalid, 16124 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2856 Valid, 13258 Invalid, 10 Unknown, 0 Unchecked, 54.2s Time] [2022-02-15 03:13:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7908 states. [2022-02-15 03:13:36,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7908 to 6858. [2022-02-15 03:13:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6858 states, 4539 states have (on average 1.3573474333553646) internal successors, (6161), 4652 states have internal predecessors, (6161), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 463 states have return successors, (1895), 1839 states have call predecessors, (1895), 1844 states have call successors, (1895) [2022-02-15 03:13:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 9911 transitions. [2022-02-15 03:13:36,475 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 9911 transitions. Word has length 54 [2022-02-15 03:13:36,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:36,475 INFO L470 AbstractCegarLoop]: Abstraction has 6858 states and 9911 transitions. [2022-02-15 03:13:36,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 6 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-02-15 03:13:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 9911 transitions. [2022-02-15 03:13:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-15 03:13:36,477 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:36,477 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:36,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 03:13:36,477 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:36,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1543753921, now seen corresponding path program 1 times [2022-02-15 03:13:36,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:36,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995563352] [2022-02-15 03:13:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:36,483 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:36,483 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:36,495 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-15 03:13:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-15 03:13:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-15 03:13:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:13:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:13:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:13:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:36,886 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:36,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995563352] [2022-02-15 03:13:36,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1995563352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:36,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:36,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:13:36,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723589605] [2022-02-15 03:13:36,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:36,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:13:36,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:36,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:13:36,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:13:36,887 INFO L87 Difference]: Start difference. First operand 6858 states and 9911 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-15 03:13:42,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:44,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:46,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:52,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:54,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:57,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:13:59,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:01,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:12,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:15,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:17,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:32,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:32,769 INFO L93 Difference]: Finished difference Result 14745 states and 21418 transitions. [2022-02-15 03:14:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:14:32,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-02-15 03:14:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:32,829 INFO L225 Difference]: With dead ends: 14745 [2022-02-15 03:14:32,830 INFO L226 Difference]: Without dead ends: 7898 [2022-02-15 03:14:32,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:14:32,850 INFO L933 BasicCegarLoop]: 2378 mSDtfsCounter, 4424 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 11309 mSolverCounterSat, 2825 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 14143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2825 IncrementalHoareTripleChecker+Valid, 11309 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:32,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4629 Valid, 4338 Invalid, 14143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2825 Valid, 11309 Invalid, 9 Unknown, 0 Unchecked, 51.1s Time] [2022-02-15 03:14:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-02-15 03:14:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 6860. [2022-02-15 03:14:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 4541 states have (on average 1.3571900462453204) internal successors, (6163), 4654 states have internal predecessors, (6163), 1855 states have call successors, (1855), 438 states have call predecessors, (1855), 463 states have return successors, (1895), 1839 states have call predecessors, (1895), 1844 states have call successors, (1895) [2022-02-15 03:14:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9913 transitions. [2022-02-15 03:14:35,518 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9913 transitions. Word has length 58 [2022-02-15 03:14:35,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:35,519 INFO L470 AbstractCegarLoop]: Abstraction has 6860 states and 9913 transitions. [2022-02-15 03:14:35,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (9), 7 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-15 03:14:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9913 transitions. [2022-02-15 03:14:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 03:14:35,521 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:35,521 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:35,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 03:14:35,521 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:35,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:35,521 INFO L85 PathProgramCache]: Analyzing trace with hash 383569699, now seen corresponding path program 2 times [2022-02-15 03:14:35,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:35,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893690183] [2022-02-15 03:14:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:35,527 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:35,527 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:35,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:35,540 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-15 03:14:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-15 03:14:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-15 03:14:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-15 03:14:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:14:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-15 03:14:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:36,051 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:36,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893690183] [2022-02-15 03:14:36,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1893690183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:36,051 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:36,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-15 03:14:36,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392840046] [2022-02-15 03:14:36,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:36,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-15 03:14:36,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:36,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-15 03:14:36,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-15 03:14:36,052 INFO L87 Difference]: Start difference. First operand 6860 states and 9913 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-15 03:14:45,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:48,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:49,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:51,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:54,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:56,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:58,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:00,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:02,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:04,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:06,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:20,682 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 []