/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:45:17,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:45:17,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:45:17,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:45:17,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:45:17,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:45:17,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:45:17,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:45:17,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:45:17,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:45:17,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:45:17,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:45:17,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:45:17,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:45:17,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:45:17,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:45:17,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:45:17,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:45:17,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:45:17,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:45:17,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:45:17,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:45:17,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:45:17,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:45:17,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 23:45:17,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 23:45:17,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 23:45:17,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 23:45:17,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 23:45:17,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 23:45:17,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 23:45:17,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 23:45:17,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 23:45:17,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 23:45:17,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 23:45:17,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 23:45:17,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 23:45:17,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 23:45:17,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:45:17,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:45:17,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:45:17,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-01-31 23:45:17,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:45:17,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:45:17,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:45:17,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:45:17,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:45:17,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:45:17,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:45:17,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:45:17,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:45:17,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:45:17,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:45:17,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:45:17,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:45:17,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:45:17,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:45:17,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:45:17,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:45:17,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:45:17,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:45:17,458 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-01-31 23:45:17,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:45:17,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:45:17,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:45:17,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:45:17,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:45:17,653 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:45:17,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c [2022-01-31 23:45:17,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf194a00/d51a69f788de4b278cfd8143c64305c5/FLAGe7bd7610f [2022-01-31 23:45:18,171 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:45:18,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c [2022-01-31 23:45:18,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf194a00/d51a69f788de4b278cfd8143c64305c5/FLAGe7bd7610f [2022-01-31 23:45:18,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf194a00/d51a69f788de4b278cfd8143c64305c5 [2022-01-31 23:45:18,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:45:18,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:45:18,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:45:18,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:45:18,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:45:18,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:45:18" (1/1) ... [2022-01-31 23:45:18,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6d5fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:18, skipping insertion in model container [2022-01-31 23:45:18,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:45:18" (1/1) ... [2022-01-31 23:45:18,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:45:18,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:45:18,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2022-01-31 23:45:19,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:45:19,140 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:45:19,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2022-01-31 23:45:19,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:45:19,329 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:45:19,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19 WrapperNode [2022-01-31 23:45:19,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:45:19,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:45:19,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:45:19,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:45:19,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:45:19,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:45:19,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:45:19,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:45:19,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (1/1) ... [2022-01-31 23:45:19,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:45:19,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:45:19,618 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) [2022-01-31 23:45:19,624 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 [2022-01-31 23:45:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-01-31 23:45:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-01-31 23:45:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2022-01-31 23:45:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2022-01-31 23:45:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2022-01-31 23:45:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-01-31 23:45:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2022-01-31 23:45:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-01-31 23:45:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-01-31 23:45:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-01-31 23:45:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-01-31 23:45:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-01-31 23:45:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-31 23:45:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 23:45:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-01-31 23:45:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-01-31 23:45:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-01-31 23:45:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-01-31 23:45:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-01-31 23:45:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-01-31 23:45:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-01-31 23:45:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-01-31 23:45:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-01-31 23:45:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-01-31 23:45:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-01-31 23:45:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-01-31 23:45:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-01-31 23:45:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-01-31 23:45:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-01-31 23:45:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-01-31 23:45:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2022-01-31 23:45:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-31 23:45:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-01-31 23:45:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-01-31 23:45:20,304 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:45:20,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:45:20,321 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,351 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,351 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,352 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,369 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,373 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,373 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,374 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,388 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,396 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,402 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,402 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,404 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,416 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,417 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,417 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,430 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,430 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,762 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,792 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,793 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,808 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,813 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,813 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,813 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,820 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,820 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,836 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,840 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,840 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,855 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:20,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:20,862 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:20,876 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-01-31 23:45:20,877 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-01-31 23:45:20,987 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:21,012 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-01-31 23:45:21,013 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-01-31 23:45:22,482 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:22,486 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:22,486 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:22,498 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:22,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-01-31 23:45:22,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-01-31 23:45:22,588 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:22,591 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:22,592 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:22,727 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:22,730 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:22,730 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:22,733 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:22,741 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-01-31 23:45:22,741 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-01-31 23:45:29,075 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:29,134 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-01-31 23:45:29,135 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-01-31 23:45:29,169 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:29,197 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-01-31 23:45:29,197 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-01-31 23:45:29,237 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:29,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:29,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:31,834 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 23:45:31,857 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 23:45:31,858 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 23:45:32,068 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:45:32,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:45:32,079 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-31 23:45:32,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:45:32 BoogieIcfgContainer [2022-01-31 23:45:32,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:45:32,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:45:32,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:45:32,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:45:32,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:45:18" (1/3) ... [2022-01-31 23:45:32,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e40c843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:45:32, skipping insertion in model container [2022-01-31 23:45:32,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:45:19" (2/3) ... [2022-01-31 23:45:32,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e40c843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:45:32, skipping insertion in model container [2022-01-31 23:45:32,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:45:32" (3/3) ... [2022-01-31 23:45:32,108 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2022-01-31 23:45:32,111 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:45:32,111 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:45:32,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:45:32,153 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-01-31 23:45:32,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:45:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 510 states, 350 states have (on average 1.3514285714285714) internal successors, (473), 366 states have internal predecessors, (473), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) [2022-01-31 23:45:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 23:45:32,177 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:45:32,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:45:32,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:45:32,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:45:32,181 INFO L85 PathProgramCache]: Analyzing trace with hash -150061292, now seen corresponding path program 1 times [2022-01-31 23:45:32,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:45:32,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072874776] [2022-01-31 23:45:32,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:45:32,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:45:32,298 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:45:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:45:47,085 WARN L228 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:45:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:45:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:45:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:45:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:45:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:45:47,471 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:45:47,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072874776] [2022-01-31 23:45:47,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2072874776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:45:47,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:45:47,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 23:45:47,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429410493] [2022-01-31 23:45:47,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:45:47,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 23:45:47,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:45:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 23:45:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:45:47,502 INFO L87 Difference]: Start difference. First operand has 510 states, 350 states have (on average 1.3514285714285714) internal successors, (473), 366 states have internal predecessors, (473), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:46:01,131 WARN L228 SmtUtils]: Spent 13.42s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:46:14,966 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 [] [2022-01-31 23:46:15,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:46:15,488 INFO L93 Difference]: Finished difference Result 841 states and 1213 transitions. [2022-01-31 23:46:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:46:15,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-01-31 23:46:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:46:15,504 INFO L225 Difference]: With dead ends: 841 [2022-01-31 23:46:15,504 INFO L226 Difference]: Without dead ends: 505 [2022-01-31 23:46:15,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:46:15,510 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 456 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 225 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:46:15,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 768 Invalid, 987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [225 Valid, 761 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-01-31 23:46:15,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-01-31 23:46:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 407. [2022-01-31 23:46:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 278 states have (on average 1.3381294964028776) internal successors, (372), 295 states have internal predecessors, (372), 91 states have call successors, (91), 39 states have call predecessors, (91), 37 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2022-01-31 23:46:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 539 transitions. [2022-01-31 23:46:16,066 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 539 transitions. Word has length 20 [2022-01-31 23:46:16,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:46:16,066 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 539 transitions. [2022-01-31 23:46:16,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:46:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 539 transitions. [2022-01-31 23:46:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-31 23:46:16,067 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:46:16,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:46:16,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:46:16,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:46:16,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:46:16,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1866823895, now seen corresponding path program 1 times [2022-01-31 23:46:16,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:46:16,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123236316] [2022-01-31 23:46:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:46:16,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:46:16,079 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:46:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:46:30,127 WARN L228 SmtUtils]: Spent 13.53s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:46:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:46:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:46:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:46:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:46:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:46:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:46:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:46:30,538 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:46:30,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123236316] [2022-01-31 23:46:30,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [123236316] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:46:30,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:46:30,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 23:46:30,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105110805] [2022-01-31 23:46:30,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:46:30,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 23:46:30,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:46:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 23:46:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:46:30,544 INFO L87 Difference]: Start difference. First operand 407 states and 539 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 23:46:44,310 WARN L228 SmtUtils]: Spent 13.60s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:46:59,415 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 [] [2022-01-31 23:47:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:47:00,249 INFO L93 Difference]: Finished difference Result 1064 states and 1471 transitions. [2022-01-31 23:47:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:47:00,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-01-31 23:47:00,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:47:00,254 INFO L225 Difference]: With dead ends: 1064 [2022-01-31 23:47:00,254 INFO L226 Difference]: Without dead ends: 798 [2022-01-31 23:47:00,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:47:00,256 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 1110 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 353 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:47:00,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1134 Valid, 954 Invalid, 1210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [353 Valid, 856 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-01-31 23:47:00,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-01-31 23:47:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 643. [2022-01-31 23:47:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 448 states have (on average 1.3191964285714286) internal successors, (591), 461 states have internal predecessors, (591), 131 states have call successors, (131), 59 states have call predecessors, (131), 63 states have return successors, (151), 128 states have call predecessors, (151), 119 states have call successors, (151) [2022-01-31 23:47:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 873 transitions. [2022-01-31 23:47:01,129 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 873 transitions. Word has length 25 [2022-01-31 23:47:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:47:01,130 INFO L470 AbstractCegarLoop]: Abstraction has 643 states and 873 transitions. [2022-01-31 23:47:01,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 23:47:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 873 transitions. [2022-01-31 23:47:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-31 23:47:01,131 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:47:01,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:47:01,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:47:01,132 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:47:01,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:47:01,132 INFO L85 PathProgramCache]: Analyzing trace with hash -553872357, now seen corresponding path program 1 times [2022-01-31 23:47:01,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:47:01,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405328107] [2022-01-31 23:47:01,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:47:01,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:47:01,144 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:47:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:15,112 WARN L228 SmtUtils]: Spent 13.50s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:47:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:47:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:47:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:47:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:47:15,620 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:47:15,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405328107] [2022-01-31 23:47:15,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1405328107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:47:15,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:47:15,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 23:47:15,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518459830] [2022-01-31 23:47:15,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:47:15,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 23:47:15,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:47:15,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 23:47:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:47:15,623 INFO L87 Difference]: Start difference. First operand 643 states and 873 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 23:47:29,506 WARN L228 SmtUtils]: Spent 13.63s on a formula simplification that was a NOOP. DAG size: 2034 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:47:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:47:41,565 INFO L93 Difference]: Finished difference Result 1148 states and 1602 transitions. [2022-01-31 23:47:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 23:47:41,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2022-01-31 23:47:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:47:41,569 INFO L225 Difference]: With dead ends: 1148 [2022-01-31 23:47:41,569 INFO L226 Difference]: Without dead ends: 621 [2022-01-31 23:47:41,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:47:41,572 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 595 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:47:41,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [612 Valid, 519 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-01-31 23:47:41,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2022-01-31 23:47:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 575. [2022-01-31 23:47:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 397 states have (on average 1.309823677581864) internal successors, (520), 409 states have internal predecessors, (520), 121 states have call successors, (121), 52 states have call predecessors, (121), 56 states have return successors, (142), 119 states have call predecessors, (142), 110 states have call successors, (142) [2022-01-31 23:47:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 783 transitions. [2022-01-31 23:47:42,301 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 783 transitions. Word has length 35 [2022-01-31 23:47:42,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:47:42,301 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 783 transitions. [2022-01-31 23:47:42,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 23:47:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 783 transitions. [2022-01-31 23:47:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-31 23:47:42,303 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:47:42,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:47:42,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 23:47:42,305 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:47:42,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:47:42,305 INFO L85 PathProgramCache]: Analyzing trace with hash 483031875, now seen corresponding path program 1 times [2022-01-31 23:47:42,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:47:42,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867040908] [2022-01-31 23:47:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:47:42,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:47:42,320 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:47:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:56,493 WARN L228 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:47:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:47:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:47:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:47:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:47:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:47:56,909 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:47:56,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867040908] [2022-01-31 23:47:56,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [867040908] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:47:56,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:47:56,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 23:47:56,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785897355] [2022-01-31 23:47:56,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:47:56,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 23:47:56,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:47:56,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 23:47:56,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:47:56,912 INFO L87 Difference]: Start difference. First operand 575 states and 783 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 23:48:10,674 WARN L228 SmtUtils]: Spent 13.52s on a formula simplification that was a NOOP. DAG size: 2033 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:48:19,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-31 23:48:27,328 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 [] [2022-01-31 23:48:29,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:48:29,231 INFO L93 Difference]: Finished difference Result 670 states and 919 transitions. [2022-01-31 23:48:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:48:29,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-01-31 23:48:29,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:48:29,243 INFO L225 Difference]: With dead ends: 670 [2022-01-31 23:48:29,243 INFO L226 Difference]: Without dead ends: 666 [2022-01-31 23:48:29,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:48:29,244 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 263 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-01-31 23:48:29,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 750 Invalid, 994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 889 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2022-01-31 23:48:29,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-01-31 23:48:30,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 605. [2022-01-31 23:48:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 423 states have (on average 1.3144208037825058) internal successors, (556), 433 states have internal predecessors, (556), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-01-31 23:48:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 823 transitions. [2022-01-31 23:48:30,133 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 823 transitions. Word has length 35 [2022-01-31 23:48:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:48:30,133 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 823 transitions. [2022-01-31 23:48:30,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 23:48:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 823 transitions. [2022-01-31 23:48:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-31 23:48:30,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:48:30,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:48:30,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 23:48:30,135 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:48:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:48:30,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1773435427, now seen corresponding path program 1 times [2022-01-31 23:48:30,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:48:30,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783940479] [2022-01-31 23:48:30,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:48:30,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:48:30,152 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:48:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:48:43,948 WARN L228 SmtUtils]: Spent 13.30s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:48:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:48:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:48:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:48:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:48:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:48:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:48:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 23:48:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:48:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:48:44,475 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:48:44,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783940479] [2022-01-31 23:48:44,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1783940479] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:48:44,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:48:44,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 23:48:44,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931963945] [2022-01-31 23:48:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:48:44,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 23:48:44,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:48:44,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 23:48:44,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-31 23:48:44,476 INFO L87 Difference]: Start difference. First operand 605 states and 823 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:48:57,852 WARN L228 SmtUtils]: Spent 13.32s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:49:13,564 WARN L228 SmtUtils]: Spent 13.36s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:49:27,760 WARN L228 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 2051 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:49:42,088 WARN L228 SmtUtils]: Spent 13.92s on a formula simplification that was a NOOP. DAG size: 2042 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:49:52,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:49:52,133 INFO L93 Difference]: Finished difference Result 1109 states and 1557 transitions. [2022-01-31 23:49:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 23:49:52,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-01-31 23:49:52,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:49:52,138 INFO L225 Difference]: With dead ends: 1109 [2022-01-31 23:49:52,138 INFO L226 Difference]: Without dead ends: 699 [2022-01-31 23:49:52,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 68.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-01-31 23:49:52,143 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 524 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-01-31 23:49:52,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 948 Invalid, 1742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [347 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-01-31 23:49:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-01-31 23:49:53,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 606. [2022-01-31 23:49:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 424 states have (on average 1.3136792452830188) internal successors, (557), 434 states have internal predecessors, (557), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-01-31 23:49:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 824 transitions. [2022-01-31 23:49:53,087 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 824 transitions. Word has length 38 [2022-01-31 23:49:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:49:53,087 INFO L470 AbstractCegarLoop]: Abstraction has 606 states and 824 transitions. [2022-01-31 23:49:53,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:49:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 824 transitions. [2022-01-31 23:49:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 23:49:53,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:49:53,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:49:53,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 23:49:53,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:49:53,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:49:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash 295658103, now seen corresponding path program 1 times [2022-01-31 23:49:53,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:49:53,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722767315] [2022-01-31 23:49:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:49:53,106 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:49:53,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:49:53,120 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:49:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:50:06,947 WARN L228 SmtUtils]: Spent 13.30s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:50:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:50:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:50:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:50:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:50:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:50:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:50:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 23:50:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:50:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:50:07,598 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:50:07,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722767315] [2022-01-31 23:50:07,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [722767315] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:50:07,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:50:07,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 23:50:07,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030998276] [2022-01-31 23:50:07,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:50:07,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 23:50:07,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:50:07,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 23:50:07,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-31 23:50:07,599 INFO L87 Difference]: Start difference. First operand 606 states and 824 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:50:21,167 WARN L228 SmtUtils]: Spent 13.50s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:50:37,245 WARN L228 SmtUtils]: Spent 13.58s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:50:51,021 WARN L228 SmtUtils]: Spent 13.35s on a formula simplification that was a NOOP. DAG size: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:51:05,195 WARN L228 SmtUtils]: Spent 13.66s on a formula simplification that was a NOOP. DAG size: 2046 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:51:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:51:15,872 INFO L93 Difference]: Finished difference Result 1107 states and 1554 transitions. [2022-01-31 23:51:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 23:51:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-01-31 23:51:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:51:15,877 INFO L225 Difference]: With dead ends: 1107 [2022-01-31 23:51:15,877 INFO L226 Difference]: Without dead ends: 700 [2022-01-31 23:51:15,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 68.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-01-31 23:51:15,879 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 510 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:51:15,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 1159 Invalid, 2100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [338 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-01-31 23:51:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2022-01-31 23:51:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 607. [2022-01-31 23:51:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 425 states have (on average 1.3129411764705883) internal successors, (558), 435 states have internal predecessors, (558), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-01-31 23:51:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 825 transitions. [2022-01-31 23:51:16,975 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 825 transitions. Word has length 39 [2022-01-31 23:51:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:51:16,975 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 825 transitions. [2022-01-31 23:51:16,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:51:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 825 transitions. [2022-01-31 23:51:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-31 23:51:16,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:51:16,976 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:51:16,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 23:51:16,976 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:51:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:51:16,977 INFO L85 PathProgramCache]: Analyzing trace with hash 13048093, now seen corresponding path program 2 times [2022-01-31 23:51:16,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:51:16,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759813808] [2022-01-31 23:51:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:51:16,981 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:51:16,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:51:16,997 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:51:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:51:31,120 WARN L228 SmtUtils]: Spent 13.47s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:51:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:51:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:51:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:51:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:51:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:51:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:51:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 23:51:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:51:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:51:32,031 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:51:32,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759813808] [2022-01-31 23:51:32,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [759813808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:51:32,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:51:32,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 23:51:32,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422250818] [2022-01-31 23:51:32,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:51:32,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 23:51:32,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:51:32,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 23:51:32,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-31 23:51:32,033 INFO L87 Difference]: Start difference. First operand 607 states and 825 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:51:45,882 WARN L228 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:52:02,910 WARN L228 SmtUtils]: Spent 13.72s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:52:17,041 WARN L228 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:52:31,287 WARN L228 SmtUtils]: Spent 13.57s on a formula simplification that was a NOOP. DAG size: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:52:45,478 WARN L228 SmtUtils]: Spent 13.61s on a formula simplification that was a NOOP. DAG size: 2046 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:52:52,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-31 23:52:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:52:58,264 INFO L93 Difference]: Finished difference Result 1108 states and 1555 transitions. [2022-01-31 23:52:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-31 23:52:58,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-01-31 23:52:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:52:58,268 INFO L225 Difference]: With dead ends: 1108 [2022-01-31 23:52:58,268 INFO L226 Difference]: Without dead ends: 701 [2022-01-31 23:52:58,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 82.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-01-31 23:52:58,270 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 532 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-01-31 23:52:58,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [555 Valid, 1331 Invalid, 2197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [351 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-01-31 23:52:58,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2022-01-31 23:52:59,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 608. [2022-01-31 23:52:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 426 states have (on average 1.312206572769953) internal successors, (559), 436 states have internal predecessors, (559), 123 states have call successors, (123), 55 states have call predecessors, (123), 58 states have return successors, (144), 121 states have call predecessors, (144), 112 states have call successors, (144) [2022-01-31 23:52:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 826 transitions. [2022-01-31 23:52:59,367 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 826 transitions. Word has length 40 [2022-01-31 23:52:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:52:59,367 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 826 transitions. [2022-01-31 23:52:59,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:52:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 826 transitions. [2022-01-31 23:52:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 23:52:59,368 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:52:59,368 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:52:59,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 23:52:59,368 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:52:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:52:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash 860307884, now seen corresponding path program 1 times [2022-01-31 23:52:59,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:52:59,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637236372] [2022-01-31 23:52:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:52:59,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:52:59,385 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:52:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:12,801 WARN L228 SmtUtils]: Spent 13.02s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:53:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:53:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:53:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:53:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 23:53:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 23:53:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:53:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:53:13,360 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:53:13,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637236372] [2022-01-31 23:53:13,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [637236372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:53:13,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:53:13,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 23:53:13,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246591612] [2022-01-31 23:53:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:53:13,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 23:53:13,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:53:13,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 23:53:13,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-31 23:53:13,362 INFO L87 Difference]: Start difference. First operand 608 states and 826 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 23:53:27,030 WARN L228 SmtUtils]: Spent 13.60s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:53:40,728 WARN L228 SmtUtils]: Spent 13.49s on a formula simplification that was a NOOP. DAG size: 2042 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:53:54,634 WARN L228 SmtUtils]: Spent 13.58s on a formula simplification that was a NOOP. DAG size: 2043 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:54:08,492 WARN L228 SmtUtils]: Spent 13.41s on a formula simplification that was a NOOP. DAG size: 2034 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:54:40,152 WARN L228 SmtUtils]: Spent 26.56s on a formula simplification. DAG size of input: 2046 DAG size of output: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:54:54,791 WARN L228 SmtUtils]: Spent 13.34s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:55:01,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:55:01,149 INFO L93 Difference]: Finished difference Result 746 states and 1039 transitions. [2022-01-31 23:55:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-31 23:55:01,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-01-31 23:55:01,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:55:01,153 INFO L225 Difference]: With dead ends: 746 [2022-01-31 23:55:01,153 INFO L226 Difference]: Without dead ends: 736 [2022-01-31 23:55:01,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 108.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2022-01-31 23:55:01,154 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1033 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-01-31 23:55:01,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1070 Valid, 811 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-01-31 23:55:01,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-01-31 23:55:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 630. [2022-01-31 23:55:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 444 states have (on average 1.3108108108108107) internal successors, (582), 456 states have internal predecessors, (582), 123 states have call successors, (123), 55 states have call predecessors, (123), 62 states have return successors, (148), 123 states have call predecessors, (148), 112 states have call successors, (148) [2022-01-31 23:55:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 853 transitions. [2022-01-31 23:55:02,449 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 853 transitions. Word has length 39 [2022-01-31 23:55:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:55:02,450 INFO L470 AbstractCegarLoop]: Abstraction has 630 states and 853 transitions. [2022-01-31 23:55:02,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 23:55:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 853 transitions. [2022-01-31 23:55:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-31 23:55:02,451 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:55:02,451 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:55:02,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 23:55:02,455 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:55:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:55:02,456 INFO L85 PathProgramCache]: Analyzing trace with hash -157927625, now seen corresponding path program 3 times [2022-01-31 23:55:02,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:55:02,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91859764] [2022-01-31 23:55:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:55:02,459 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-01-31 23:55:02,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:55:02,477 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:55:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:55:16,321 WARN L228 SmtUtils]: Spent 13.36s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:55:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:55:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:55:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:55:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:55:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:55:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:55:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 23:55:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:55:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:55:17,199 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:55:17,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91859764] [2022-01-31 23:55:17,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [91859764] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:55:17,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:55:17,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-31 23:55:17,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405812346] [2022-01-31 23:55:17,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:55:17,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 23:55:17,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:55:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 23:55:17,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-01-31 23:55:17,200 INFO L87 Difference]: Start difference. First operand 630 states and 853 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:55:30,407 WARN L228 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:55:46,830 WARN L228 SmtUtils]: Spent 13.33s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:56:01,349 WARN L228 SmtUtils]: Spent 13.95s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:56:15,432 WARN L228 SmtUtils]: Spent 13.47s on a formula simplification that was a NOOP. DAG size: 2045 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:56:29,665 WARN L228 SmtUtils]: Spent 13.59s on a formula simplification that was a NOOP. DAG size: 2044 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:56:43,978 WARN L228 SmtUtils]: Spent 13.88s on a formula simplification that was a NOOP. DAG size: 2046 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:56:51,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-31 23:56:52,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-31 23:56:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:56:59,245 INFO L93 Difference]: Finished difference Result 1136 states and 1585 transitions. [2022-01-31 23:56:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 23:56:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-01-31 23:56:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:56:59,249 INFO L225 Difference]: With dead ends: 1136 [2022-01-31 23:56:59,250 INFO L226 Difference]: Without dead ends: 728 [2022-01-31 23:56:59,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 95.8s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-01-31 23:56:59,252 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 689 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-01-31 23:56:59,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 1515 Invalid, 2572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [474 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-01-31 23:56:59,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2022-01-31 23:57:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 631. [2022-01-31 23:57:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 445 states have (on average 1.3101123595505617) internal successors, (583), 457 states have internal predecessors, (583), 123 states have call successors, (123), 55 states have call predecessors, (123), 62 states have return successors, (148), 123 states have call predecessors, (148), 112 states have call successors, (148) [2022-01-31 23:57:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 854 transitions. [2022-01-31 23:57:00,571 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 854 transitions. Word has length 41 [2022-01-31 23:57:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:57:00,571 INFO L470 AbstractCegarLoop]: Abstraction has 631 states and 854 transitions. [2022-01-31 23:57:00,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 23:57:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 854 transitions. [2022-01-31 23:57:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-31 23:57:00,572 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:57:00,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:57:00,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 23:57:00,572 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:57:00,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:57:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash 454729029, now seen corresponding path program 1 times [2022-01-31 23:57:00,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:57:00,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139893758] [2022-01-31 23:57:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:57:00,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:57:00,591 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:57:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:14,515 WARN L228 SmtUtils]: Spent 13.53s on a formula simplification that was a NOOP. DAG size: 2032 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 23:57:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:57:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:57:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 23:57:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 23:57:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 23:57:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:57:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:57:15,078 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:57:15,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139893758] [2022-01-31 23:57:15,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1139893758] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:57:15,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:57:15,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 23:57:15,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751707841] [2022-01-31 23:57:15,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:57:15,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 23:57:15,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:57:15,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 23:57:15,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-31 23:57:15,079 INFO L87 Difference]: Start difference. First operand 631 states and 854 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 23:57:28,939 WARN L228 SmtUtils]: Spent 13.80s on a formula simplification that was a NOOP. DAG size: 2041 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)