/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:24:07,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:24:07,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:24:07,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:24:07,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:24:07,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:24:07,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:24:07,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:24:07,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:24:07,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:24:07,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:24:07,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:24:07,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:24:07,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:24:07,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:24:07,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:24:07,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:24:07,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:24:07,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:24:07,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:24:07,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:24:07,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:24:07,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:24:07,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:24:07,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 22:24:07,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 22:24:07,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 22:24:07,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 22:24:07,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 22:24:07,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 22:24:07,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:24:07,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:24:07,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:24:07,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:24:07,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:24:07,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:24:07,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:24:07,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:24:07,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:24:07,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:24:07,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:24:07,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:24:07,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:24:07,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:24:07,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:24:07,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:24:07,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:24:07,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:24:07,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:24:07,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:24:07,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:24:07,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:24:07,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:24:07,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:24:07,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:24:07,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:24:07,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:24:07,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:24:07,591 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:24:07,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:24:07,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:24:07,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:24:07,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:24:07,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:24:07,809 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:24:07,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2022-01-31 22:24:07,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d050845/e34732b980b84d7abb10df0313878301/FLAGda6ebbd92 [2022-01-31 22:24:08,465 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:24:08,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2022-01-31 22:24:08,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d050845/e34732b980b84d7abb10df0313878301/FLAGda6ebbd92 [2022-01-31 22:24:08,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d050845/e34732b980b84d7abb10df0313878301 [2022-01-31 22:24:08,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:24:08,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:24:08,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:24:08,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:24:08,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:24:08,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:24:08" (1/1) ... [2022-01-31 22:24:08,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152b0c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:08, skipping insertion in model container [2022-01-31 22:24:08,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:24:08" (1/1) ... [2022-01-31 22:24:08,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:24:08,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:24:09,252 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-1.c[84645,84658] [2022-01-31 22:24:09,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:24:09,549 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:24:09,615 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-1.c[84645,84658] [2022-01-31 22:24:09,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:24:09,810 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:24:09,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09 WrapperNode [2022-01-31 22:24:09,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:24:09,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:24:09,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:24:09,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:24:09,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:09,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:09,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:09,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:10,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:10,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:10,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:10,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:24:10,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:24:10,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:24:10,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:24:10,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (1/1) ... [2022-01-31 22:24:10,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:24:10,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:24:10,192 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 22:24:10,221 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 22:24:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:24:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:24:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:24:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2022-01-31 22:24:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2022-01-31 22:24:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-01-31 22:24:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-01-31 22:24:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2022-01-31 22:24:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-01-31 22:24:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-01-31 22:24:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2022-01-31 22:24:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2022-01-31 22:24:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2022-01-31 22:24:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2022-01-31 22:24:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2022-01-31 22:24:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-01-31 22:24:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-01-31 22:24:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-01-31 22:24:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-01-31 22:24:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2022-01-31 22:24:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-01-31 22:24:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-31 22:24:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 22:24:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2022-01-31 22:24:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2022-01-31 22:24:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2022-01-31 22:24:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2022-01-31 22:24:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2022-01-31 22:24:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-01-31 22:24:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2022-01-31 22:24:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-01-31 22:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-01-31 22:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-01-31 22:24:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-01-31 22:24:10,920 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:24:10,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:24:10,953 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,006 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,006 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,006 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,017 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,017 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,064 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,070 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,070 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,070 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,080 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,080 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,089 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,111 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,112 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,112 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,119 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,132 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,132 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,132 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,144 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,145 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,385 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,406 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,411 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,411 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,411 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,418 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,418 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,431 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,436 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,436 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,449 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,453 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:11,453 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:11,456 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,467 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-01-31 22:24:11,467 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-01-31 22:24:11,552 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:11,568 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-01-31 22:24:11,569 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-01-31 22:24:13,793 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:13,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:13,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:13,817 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:49,866 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2022-01-31 22:24:49,867 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2022-01-31 22:24:50,028 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:50,046 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:50,047 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:50,398 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:50,412 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:50,413 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:50,422 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:50,470 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-01-31 22:24:50,470 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-01-31 22:24:56,657 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:56,775 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-01-31 22:24:56,776 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-01-31 22:24:56,832 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:56,889 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-01-31 22:24:56,889 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-01-31 22:24:56,961 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:56,980 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:56,980 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:57,474 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:24:57,493 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 22:24:57,493 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 22:24:57,710 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:24:57,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:24:57,722 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-31 22:24:57,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:24:57 BoogieIcfgContainer [2022-01-31 22:24:57,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:24:57,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:24:57,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:24:57,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:24:57,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:24:08" (1/3) ... [2022-01-31 22:24:57,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72381438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:24:57, skipping insertion in model container [2022-01-31 22:24:57,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:24:09" (2/3) ... [2022-01-31 22:24:57,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72381438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:24:57, skipping insertion in model container [2022-01-31 22:24:57,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:24:57" (3/3) ... [2022-01-31 22:24:57,731 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-1.c [2022-01-31 22:24:57,735 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:24:57,735 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:24:57,772 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:24:57,777 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:24:57,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:24:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 365 states have (on average 1.3616438356164384) internal successors, (497), 381 states have internal predecessors, (497), 119 states have call successors, (119), 42 states have call predecessors, (119), 42 states have return successors, (119), 114 states have call predecessors, (119), 119 states have call successors, (119) [2022-01-31 22:24:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-31 22:24:57,803 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:24:57,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:24:57,804 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:24:57,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:24:57,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1347438999, now seen corresponding path program 1 times [2022-01-31 22:24:57,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:24:57,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747302993] [2022-01-31 22:24:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:24:57,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:24:57,913 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:24:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:15,486 WARN L228 SmtUtils]: Spent 15.52s 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 22:25:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:25:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 22:25:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:15,956 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 22:25:15,957 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:25:15,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747302993] [2022-01-31 22:25:15,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [747302993] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:25:15,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:25:15,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:25:15,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250145082] [2022-01-31 22:25:15,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:25:15,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:25:15,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:25:15,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:25:15,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:25:15,994 INFO L87 Difference]: Start difference. First operand has 535 states, 365 states have (on average 1.3616438356164384) internal successors, (497), 381 states have internal predecessors, (497), 119 states have call successors, (119), 42 states have call predecessors, (119), 42 states have return successors, (119), 114 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 22:25:18,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:25:37,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:25:39,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:25:41,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:25:41,184 INFO L93 Difference]: Finished difference Result 963 states and 1420 transitions. [2022-01-31 22:25:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 22:25:41,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-01-31 22:25:41,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:25:41,214 INFO L225 Difference]: With dead ends: 963 [2022-01-31 22:25:41,214 INFO L226 Difference]: Without dead ends: 528 [2022-01-31 22:25:41,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:25:41,232 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 271 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 111 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-01-31 22:25:41,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 614 Invalid, 838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 724 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2022-01-31 22:25:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-31 22:25:41,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 429. [2022-01-31 22:25:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 292 states have (on average 1.332191780821918) internal successors, (389), 309 states have internal predecessors, (389), 98 states have call successors, (98), 40 states have call predecessors, (98), 38 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 22:25:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 570 transitions. [2022-01-31 22:25:41,843 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 570 transitions. Word has length 24 [2022-01-31 22:25:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:25:41,843 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 570 transitions. [2022-01-31 22:25:41,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 22:25:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 570 transitions. [2022-01-31 22:25:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-31 22:25:41,844 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:25:41,844 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] [2022-01-31 22:25:41,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:25:41,845 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:25:41,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:25:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1326557422, now seen corresponding path program 1 times [2022-01-31 22:25:41,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:25:41,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064742503] [2022-01-31 22:25:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:25:41,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:25:41,872 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:25:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:59,295 WARN L228 SmtUtils]: Spent 15.88s 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 22:25:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:25:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 22:25:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:25:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:25:59,749 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:25:59,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064742503] [2022-01-31 22:25:59,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2064742503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:25:59,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:25:59,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 22:25:59,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794335834] [2022-01-31 22:25:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:25:59,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 22:25:59,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:25:59,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 22:25:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:25:59,758 INFO L87 Difference]: Start difference. First operand 429 states and 570 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 22:26:15,836 WARN L228 SmtUtils]: Spent 15.87s on a formula simplification that was a NOOP. DAG size: 2035 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 22:26:31,942 WARN L228 SmtUtils]: Spent 15.99s on a formula simplification that was a NOOP. DAG size: 2035 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-31 22:26:34,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:26:36,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:26:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:26:52,422 INFO L93 Difference]: Finished difference Result 955 states and 1294 transitions. [2022-01-31 22:26:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 22:26:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-01-31 22:26:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:26:52,427 INFO L225 Difference]: With dead ends: 955 [2022-01-31 22:26:52,427 INFO L226 Difference]: Without dead ends: 534 [2022-01-31 22:26:52,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 48.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-31 22:26:52,430 INFO L933 BasicCegarLoop]: 550 mSDtfsCounter, 440 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-01-31 22:26:52,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 831 Invalid, 1063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [243 Valid, 818 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2022-01-31 22:26:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2022-01-31 22:26:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 433. [2022-01-31 22:26:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 296 states have (on average 1.3277027027027026) internal successors, (393), 313 states have internal predecessors, (393), 98 states have call successors, (98), 40 states have call predecessors, (98), 38 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 22:26:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 574 transitions. [2022-01-31 22:26:53,045 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 574 transitions. Word has length 26 [2022-01-31 22:26:53,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:26:53,046 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 574 transitions. [2022-01-31 22:26:53,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 22:26:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 574 transitions. [2022-01-31 22:26:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-31 22:26:53,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:26:53,047 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:26:53,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:26:53,047 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:26:53,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:26:53,048 INFO L85 PathProgramCache]: Analyzing trace with hash -856449074, now seen corresponding path program 1 times [2022-01-31 22:26:53,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:26:53,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603404523] [2022-01-31 22:26:53,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:26:53,066 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:26:53,067 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:26:53,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:26:53,100 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:26:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:27:11,591 WARN L228 SmtUtils]: Spent 16.44s 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 22:27:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:27:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:27:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:27:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:27:12,077 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 22:27:12,078 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:27:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603404523] [2022-01-31 22:27:12,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1603404523] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:27:12,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:27:12,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:27:12,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511818206] [2022-01-31 22:27:12,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:27:12,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:27:12,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:27:12,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:27:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:27:12,080 INFO L87 Difference]: Start difference. First operand 433 states and 574 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 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 22:27:28,449 WARN L228 SmtUtils]: Spent 16.12s 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 22:27:30,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:27:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:27:44,579 INFO L93 Difference]: Finished difference Result 552 states and 755 transitions. [2022-01-31 22:27:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 22:27:44,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 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 30 [2022-01-31 22:27:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:27:44,583 INFO L225 Difference]: With dead ends: 552 [2022-01-31 22:27:44,583 INFO L226 Difference]: Without dead ends: 532 [2022-01-31 22:27:44,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 22:27:44,585 INFO L933 BasicCegarLoop]: 551 mSDtfsCounter, 451 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 231 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-01-31 22:27:44,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [473 Valid, 812 Invalid, 1048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [231 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2022-01-31 22:27:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-01-31 22:27:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 433. [2022-01-31 22:27:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 296 states have (on average 1.3243243243243243) internal successors, (392), 313 states have internal predecessors, (392), 98 states have call successors, (98), 40 states have call predecessors, (98), 38 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-01-31 22:27:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 573 transitions. [2022-01-31 22:27:45,213 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 573 transitions. Word has length 30 [2022-01-31 22:27:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:27:45,214 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 573 transitions. [2022-01-31 22:27:45,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 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 22:27:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 573 transitions. [2022-01-31 22:27:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-31 22:27:45,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:27:45,215 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:27:45,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 22:27:45,215 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:27:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:27:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1490628193, now seen corresponding path program 1 times [2022-01-31 22:27:45,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:27:45,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955816393] [2022-01-31 22:27:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:27:45,217 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:27:45,217 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:27:45,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:27:45,257 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:27:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:28:03,901 WARN L228 SmtUtils]: Spent 15.72s 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 22:28:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:28:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:28:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:28:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:28:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-01-31 22:28:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:28:04,412 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 22:28:04,413 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:28:04,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955816393] [2022-01-31 22:28:04,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1955816393] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:28:04,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:28:04,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 22:28:04,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186042422] [2022-01-31 22:28:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:28:04,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 22:28:04,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:28:04,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 22:28:04,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:28:04,417 INFO L87 Difference]: Start difference. First operand 433 states and 573 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 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 22:28:20,337 WARN L228 SmtUtils]: Spent 15.61s 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 22:28:22,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:28:47,394 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 22:28:51,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:28:51,572 INFO L93 Difference]: Finished difference Result 1127 states and 1553 transitions. [2022-01-31 22:28:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 22:28:51,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 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 35 [2022-01-31 22:28:51,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:28:51,578 INFO L225 Difference]: With dead ends: 1127 [2022-01-31 22:28:51,578 INFO L226 Difference]: Without dead ends: 843 [2022-01-31 22:28:51,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 22:28:51,584 INFO L933 BasicCegarLoop]: 758 mSDtfsCounter, 898 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-01-31 22:28:51,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 1025 Invalid, 1617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [241 Valid, 1374 Invalid, 2 Unknown, 0 Unchecked, 29.5s Time] [2022-01-31 22:28:51,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-01-31 22:28:52,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 686. [2022-01-31 22:28:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 476 states have (on average 1.3088235294117647) internal successors, (623), 489 states have internal predecessors, (623), 143 states have call successors, (143), 62 states have call predecessors, (143), 66 states have return successors, (163), 140 states have call predecessors, (163), 131 states have call successors, (163) [2022-01-31 22:28:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 929 transitions. [2022-01-31 22:28:52,572 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 929 transitions. Word has length 35 [2022-01-31 22:28:52,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:28:52,573 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 929 transitions. [2022-01-31 22:28:52,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 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 22:28:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 929 transitions. [2022-01-31 22:28:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-31 22:28:52,575 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:28:52,575 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:28:52,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 22:28:52,575 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:28:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:28:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1382723785, now seen corresponding path program 1 times [2022-01-31 22:28:52,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:28:52,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407694363] [2022-01-31 22:28:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:28:52,577 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:28:52,577 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:28:52,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:28:52,619 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:28:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:11,116 WARN L228 SmtUtils]: Spent 15.84s 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 22:29:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:29:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-01-31 22:29:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:11,677 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 22:29:11,677 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:11,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407694363] [2022-01-31 22:29:11,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1407694363] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:11,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:11,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 22:29:11,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152586112] [2022-01-31 22:29:11,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:11,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 22:29:11,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:11,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 22:29:11,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:29:11,680 INFO L87 Difference]: Start difference. First operand 686 states and 929 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 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 22:29:27,616 WARN L228 SmtUtils]: Spent 15.77s 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 22:29:29,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:29:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:29:38,228 INFO L93 Difference]: Finished difference Result 1227 states and 1705 transitions. [2022-01-31 22:29:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 22:29:38,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 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 45 [2022-01-31 22:29:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:29:38,233 INFO L225 Difference]: With dead ends: 1227 [2022-01-31 22:29:38,233 INFO L226 Difference]: Without dead ends: 665 [2022-01-31 22:29:38,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 22:29:38,237 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 786 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 294 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:29:38,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 531 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-01-31 22:29:38,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-01-31 22:29:39,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 618. [2022-01-31 22:29:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 425 states have (on average 1.2988235294117647) internal successors, (552), 437 states have internal predecessors, (552), 133 states have call successors, (133), 55 states have call predecessors, (133), 59 states have return successors, (154), 131 states have call predecessors, (154), 122 states have call successors, (154) [2022-01-31 22:29:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 839 transitions. [2022-01-31 22:29:39,072 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 839 transitions. Word has length 45 [2022-01-31 22:29:39,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:29:39,072 INFO L470 AbstractCegarLoop]: Abstraction has 618 states and 839 transitions. [2022-01-31 22:29:39,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 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 22:29:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 839 transitions. [2022-01-31 22:29:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-31 22:29:39,074 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:39,077 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:29:39,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 22:29:39,077 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1876142613, now seen corresponding path program 1 times [2022-01-31 22:29:39,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:39,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947827603] [2022-01-31 22:29:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:29:39,083 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:29:39,083 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:29:39,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:29:39,127 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:29:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:57,446 WARN L228 SmtUtils]: Spent 15.84s 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 22:29:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:29:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-01-31 22:29:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:57,939 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 22:29:57,940 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:57,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947827603] [2022-01-31 22:29:57,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [947827603] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:57,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:57,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 22:29:57,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89760090] [2022-01-31 22:29:57,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:57,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 22:29:57,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:57,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 22:29:57,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:29:57,941 INFO L87 Difference]: Start difference. First operand 618 states and 839 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 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 22:30:14,087 WARN L228 SmtUtils]: Spent 15.85s 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 22:30:16,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:30:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:30:32,665 INFO L93 Difference]: Finished difference Result 714 states and 977 transitions. [2022-01-31 22:30:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 22:30:32,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 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 45 [2022-01-31 22:30:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:30:32,669 INFO L225 Difference]: With dead ends: 714 [2022-01-31 22:30:32,669 INFO L226 Difference]: Without dead ends: 710 [2022-01-31 22:30:32,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 22:30:32,670 INFO L933 BasicCegarLoop]: 514 mSDtfsCounter, 281 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:30:32,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 806 Invalid, 1051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [108 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2022-01-31 22:30:32,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-01-31 22:30:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 648. [2022-01-31 22:30:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 451 states have (on average 1.3037694013303769) internal successors, (588), 461 states have internal predecessors, (588), 135 states have call successors, (135), 58 states have call predecessors, (135), 61 states have return successors, (156), 133 states have call predecessors, (156), 124 states have call successors, (156) [2022-01-31 22:30:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 879 transitions. [2022-01-31 22:30:33,655 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 879 transitions. Word has length 45 [2022-01-31 22:30:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:30:33,655 INFO L470 AbstractCegarLoop]: Abstraction has 648 states and 879 transitions. [2022-01-31 22:30:33,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 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 22:30:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 879 transitions. [2022-01-31 22:30:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-31 22:30:33,657 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:30:33,657 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:30:33,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 22:30:33,657 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:30:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:30:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1626178642, now seen corresponding path program 1 times [2022-01-31 22:30:33,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:30:33,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255897340] [2022-01-31 22:30:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:30:33,659 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:30:33,659 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:30:33,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:30:33,709 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:30:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:51,990 WARN L228 SmtUtils]: Spent 15.71s 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 22:30:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:30:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:30:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-01-31 22:30:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-31 22:30:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 22:30:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:52,801 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 22:30:52,801 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:30:52,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255897340] [2022-01-31 22:30:52,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [255897340] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:30:52,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:30:52,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 22:30:52,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327528826] [2022-01-31 22:30:52,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:30:52,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 22:30:52,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:30:52,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 22:30:52,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-31 22:30:52,803 INFO L87 Difference]: Start difference. First operand 648 states and 879 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (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 22:31:08,720 WARN L228 SmtUtils]: Spent 15.83s 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 22:31:24,826 WARN L228 SmtUtils]: Spent 15.80s 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 22:31:40,623 WARN L228 SmtUtils]: Spent 15.68s 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 22:31:42,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:44,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:46,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:49,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:51,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:53,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:55,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:32:11,541 WARN L228 SmtUtils]: Spent 15.98s 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 22:32:28,174 WARN L228 SmtUtils]: Spent 15.83s 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 22:33:08,497 WARN L228 SmtUtils]: Spent 33.64s 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 22:33:27,244 WARN L228 SmtUtils]: Spent 16.73s 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 22:33:29,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-31 22:33:39,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:33:39,751 INFO L93 Difference]: Finished difference Result 797 states and 1107 transitions. [2022-01-31 22:33:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-31 22:33:39,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (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 49 [2022-01-31 22:33:39,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:33:39,758 INFO L225 Difference]: With dead ends: 797 [2022-01-31 22:33:39,758 INFO L226 Difference]: Without dead ends: 786 [2022-01-31 22:33:39,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 147.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-01-31 22:33:39,760 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 972 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 423 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:33:39,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1013 Valid, 845 Invalid, 1949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [423 Valid, 1519 Invalid, 7 Unknown, 0 Unchecked, 34.4s Time] [2022-01-31 22:33:39,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-01-31 22:33:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 670. [2022-01-31 22:33:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 469 states have (on average 1.302771855010661) internal successors, (611), 481 states have internal predecessors, (611), 135 states have call successors, (135), 58 states have call predecessors, (135), 65 states have return successors, (160), 135 states have call predecessors, (160), 124 states have call successors, (160) [2022-01-31 22:33:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 906 transitions. [2022-01-31 22:33:40,880 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 906 transitions. Word has length 49 [2022-01-31 22:33:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:33:40,881 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 906 transitions. [2022-01-31 22:33:40,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (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 22:33:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 906 transitions. [2022-01-31 22:33:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-31 22:33:40,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:33:40,883 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:33:40,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 22:33:40,883 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:33:40,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:33:40,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1564804838, now seen corresponding path program 1 times [2022-01-31 22:33:40,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:33:40,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361980798] [2022-01-31 22:33:40,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:33:40,885 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:33:40,885 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE [2022-01-31 22:33:40,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:33:40,940 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:33:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:58,836 WARN L228 SmtUtils]: Spent 15.88s 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 22:33:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:33:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 22:33:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-01-31 22:33:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-31 22:33:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 22:33:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:33:59,467 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 22:33:59,467 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:33:59,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361980798] [2022-01-31 22:33:59,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1361980798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:33:59,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:33:59,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 22:33:59,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576509207] [2022-01-31 22:33:59,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:33:59,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 22:33:59,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:33:59,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 22:33:59,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-31 22:33:59,469 INFO L87 Difference]: Start difference. First operand 670 states and 906 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (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 22:34:15,363 WARN L228 SmtUtils]: Spent 15.83s 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 22:34:31,546 WARN L228 SmtUtils]: Spent 15.94s 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 22:34:47,420 WARN L228 SmtUtils]: Spent 15.75s 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 22:34:49,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:34:51,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:34:53,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:34:55,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:34:57,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:34:59,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:35:01,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:35:18,238 WARN L228 SmtUtils]: Spent 15.92s 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 22:35:34,720 WARN L228 SmtUtils]: Spent 15.87s 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 22:36:12,618 WARN L228 SmtUtils]: Spent 31.98s 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)