/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:27:08,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:27:08,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:27:08,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:27:08,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:27:08,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:27:08,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:27:08,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:27:08,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:27:08,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:27:08,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:27:08,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:27:08,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:27:08,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:27:08,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:27:08,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:27:08,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:27:08,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:27:08,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:27:08,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:27:08,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:27:08,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:27:08,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:27:08,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:27:08,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:27:08,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:27:08,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:27:08,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:27:08,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:27:08,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:27:08,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:27:08,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:27:08,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:27:08,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:27:08,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:27:08,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:27:08,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:27:08,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:27:08,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:27:08,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:27:08,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:27:08,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:27:08,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:27:08,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:27:08,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:27:08,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:27:08,564 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:27:08,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:27:08,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:27:08,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:27:08,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:27:08,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:27:08,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:27:08,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:27:08,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:27:08,566 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:27:08,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:27:08,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:27:08,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:27:08,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:27:08,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:27:08,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:27:08,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:27:08,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:27:08,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:27:08,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:27:08,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:27:08,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:27:08,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:27:08,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:27:08,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:27:08,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:27:08,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:27:08,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:27:08,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:27:08,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:27:08,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:27:08,935 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-2.c [2020-10-12 16:27:08,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f80ddbdee/c35e119892fb45a28384c0346f593479/FLAG5daed7cb7 [2020-10-12 16:27:09,851 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:27:09,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-2.c [2020-10-12 16:27:09,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f80ddbdee/c35e119892fb45a28384c0346f593479/FLAG5daed7cb7 [2020-10-12 16:27:10,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f80ddbdee/c35e119892fb45a28384c0346f593479 [2020-10-12 16:27:10,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:27:10,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:27:10,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:10,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:27:10,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:27:10,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:10" (1/1) ... [2020-10-12 16:27:10,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdac4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:10, skipping insertion in model container [2020-10-12 16:27:10,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:10" (1/1) ... [2020-10-12 16:27:10,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:27:10,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:27:12,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:12,168 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:27:12,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:12,824 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:27:12,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12 WrapperNode [2020-10-12 16:27:12,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:12,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:27:12,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:27:12,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:27:12,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:12,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:12,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:12,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:13,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:13,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:13,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... [2020-10-12 16:27:13,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:27:13,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:27:13,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:27:13,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:27:13,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:27:13,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:27:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:27:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2020-10-12 16:27:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-12 16:27:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-12 16:27:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2020-10-12 16:27:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2020-10-12 16:27:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-12 16:27:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-12 16:27:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2020-10-12 16:27:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2020-10-12 16:27:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2020-10-12 16:27:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2020-10-12 16:27:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2020-10-12 16:27:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-12 16:27:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2020-10-12 16:27:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2020-10-12 16:27:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2020-10-12 16:27:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2020-10-12 16:27:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2020-10-12 16:27:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2020-10-12 16:27:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2020-10-12 16:27:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2020-10-12 16:27:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2020-10-12 16:27:13,588 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2020-10-12 16:27:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2020-10-12 16:27:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2020-10-12 16:27:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2020-10-12 16:27:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2020-10-12 16:27:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2020-10-12 16:27:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2020-10-12 16:27:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2020-10-12 16:27:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2020-10-12 16:27:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-12 16:27:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-12 16:27:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-12 16:27:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-12 16:27:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-12 16:27:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-12 16:27:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-12 16:27:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-12 16:27:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-12 16:27:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-12 16:27:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-12 16:27:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-12 16:27:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-12 16:27:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-12 16:27:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-12 16:27:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-12 16:27:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-12 16:27:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-12 16:27:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-12 16:27:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-12 16:27:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-12 16:27:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-12 16:27:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-12 16:27:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-12 16:27:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-12 16:27:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 16:27:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-12 16:27:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:27:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 16:27:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-12 16:27:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-12 16:27:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-12 16:27:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-12 16:27:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-12 16:27:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-12 16:27:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:27:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:27:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-12 16:27:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-12 16:27:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-12 16:27:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-12 16:27:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-12 16:27:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-12 16:27:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-12 16:27:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-12 16:27:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-12 16:27:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-12 16:27:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-12 16:27:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-12 16:27:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-12 16:27:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-12 16:27:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-12 16:27:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-12 16:27:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2020-10-12 16:27:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-12 16:27:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-12 16:27:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-12 16:27:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-12 16:27:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-12 16:27:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-12 16:27:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-12 16:27:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2020-10-12 16:27:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-12 16:27:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-12 16:27:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-12 16:27:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2020-10-12 16:27:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2020-10-12 16:27:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2020-10-12 16:27:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2020-10-12 16:27:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2020-10-12 16:27:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2020-10-12 16:27:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:27:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2020-10-12 16:27:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:27:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:27:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 16:27:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 16:27:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 16:27:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 16:27:15,090 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:15,151 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:15,151 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:15,152 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:15,162 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:15,163 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:15,173 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:15,182 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:15,182 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:15,183 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:15,199 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:15,199 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:15,203 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:27,464 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-12 16:27:27,464 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-12 16:27:27,487 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:27,496 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:27,496 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:27,497 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:27,516 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:27,517 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:27,517 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:27,529 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:27,529 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:27,530 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:27,544 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:27,545 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:27,558 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,264 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:27:49,264 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:27:49,270 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,461 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2020-10-12 16:27:49,461 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2020-10-12 16:27:49,475 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,485 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:49,486 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:49,486 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,513 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 16:27:49,513 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 16:27:49,514 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,522 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:49,522 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:49,523 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,533 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:49,533 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:49,545 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,552 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:49,552 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:49,552 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:49,561 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:49,562 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:57,274 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:06,006 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:28:06,007 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:28:06,017 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:19,551 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-12 16:28:19,551 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-12 16:28:19,559 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:19,594 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-12 16:28:19,594 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-12 16:28:19,831 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:19,841 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:19,841 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:19,907 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:20,022 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2020-10-12 16:28:20,022 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2020-10-12 16:28:20,286 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:20,296 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:20,296 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:20,577 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:20,583 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:20,583 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:20,585 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:31,172 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-12 16:28:31,173 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-12 16:28:31,180 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:31,216 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-12 16:28:31,216 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-12 16:28:31,224 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:31,238 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-12 16:28:31,238 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-12 16:28:31,310 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:31,323 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:31,323 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:31,926 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:34,084 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-12 16:28:34,085 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L3707: #res := 0; [2020-10-12 16:28:34,085 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-12 16:28:34,085 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:34,096 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:34,096 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:36,300 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:49,863 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:28:49,864 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:28:54,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:28:54,720 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-12 16:28:54,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:28:54 BoogieIcfgContainer [2020-10-12 16:28:54,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:28:54,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:28:54,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:28:54,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:28:54,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:27:10" (1/3) ... [2020-10-12 16:28:54,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f24392a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:28:54, skipping insertion in model container [2020-10-12 16:28:54,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:12" (2/3) ... [2020-10-12 16:28:54,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f24392a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:28:54, skipping insertion in model container [2020-10-12 16:28:54,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:28:54" (3/3) ... [2020-10-12 16:28:54,740 INFO L109 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-2.c [2020-10-12 16:28:54,797 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:28:54,809 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:28:54,823 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:28:54,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:28:54,858 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:28:54,858 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:28:54,858 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:28:54,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:28:54,859 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:28:54,859 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:28:54,859 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:28:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states. [2020-10-12 16:28:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 16:28:54,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:28:54,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:28:54,910 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:28:54,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:28:54,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1015863504, now seen corresponding path program 1 times [2020-10-12 16:28:54,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:28:54,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075184917] [2020-10-12 16:28:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:28:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:55,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:55,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:56,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:56,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:57,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:57,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 16:28:57,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:28:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1833 [2020-10-12 16:28:57,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:28:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 16:28:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:28:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:28:57,867 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-12 16:28:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:28:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:57,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:28:57,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:28:57,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 16:28:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:28:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:28:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:28:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:28:58,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:28:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:58,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:58,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:28:58,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:28:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 16:28:58,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:28:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:28:58,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:28:58,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:28:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:28:58,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075184917] [2020-10-12 16:28:58,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:28:58,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 16:28:58,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991440095] [2020-10-12 16:28:58,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 16:28:58,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:28:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 16:28:58,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 16:28:58,171 INFO L87 Difference]: Start difference. First operand 1245 states. Second operand 5 states. [2020-10-12 16:28:59,039 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-12 16:29:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:29:44,445 INFO L93 Difference]: Finished difference Result 1377 states and 2129 transitions. [2020-10-12 16:29:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:29:44,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-12 16:29:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:29:44,471 INFO L225 Difference]: With dead ends: 1377 [2020-10-12 16:29:44,472 INFO L226 Difference]: Without dead ends: 859 [2020-10-12 16:29:44,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:29:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-12 16:29:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 780. [2020-10-12 16:29:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-12 16:29:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1130 transitions. [2020-10-12 16:29:44,679 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1130 transitions. Word has length 20 [2020-10-12 16:29:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:29:44,679 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1130 transitions. [2020-10-12 16:29:44,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 16:29:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1130 transitions. [2020-10-12 16:29:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 16:29:44,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:29:44,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:29:44,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:29:44,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:29:44,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:29:44,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1030208413, now seen corresponding path program 1 times [2020-10-12 16:29:44,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:29:44,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555413028] [2020-10-12 16:29:44,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:29:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 16:29:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-12 16:29:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:29:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 16:29:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:29:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:29:45,596 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-12 16:29:45,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:29:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:45,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:45,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:29:45,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 16:29:45,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:29:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:29:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:29:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:29:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:29:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:45,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:45,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:45,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:29:45,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:29:45,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:29:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:29:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:29:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:29:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:29:45,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555413028] [2020-10-12 16:29:45,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:29:45,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 16:29:45,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153809705] [2020-10-12 16:29:45,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 16:29:45,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:29:45,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 16:29:45,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 16:29:45,884 INFO L87 Difference]: Start difference. First operand 780 states and 1130 transitions. Second operand 5 states. [2020-10-12 16:29:46,722 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-10-12 16:30:39,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:30:39,052 INFO L93 Difference]: Finished difference Result 864 states and 1280 transitions. [2020-10-12 16:30:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:30:39,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-12 16:30:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:30:39,065 INFO L225 Difference]: With dead ends: 864 [2020-10-12 16:30:39,065 INFO L226 Difference]: Without dead ends: 848 [2020-10-12 16:30:39,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:30:39,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-10-12 16:30:39,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 780. [2020-10-12 16:30:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-12 16:30:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1129 transitions. [2020-10-12 16:30:39,152 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1129 transitions. Word has length 20 [2020-10-12 16:30:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:30:39,153 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1129 transitions. [2020-10-12 16:30:39,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 16:30:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1129 transitions. [2020-10-12 16:30:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-12 16:30:39,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:30:39,154 INFO L422 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] [2020-10-12 16:30:39,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:30:39,155 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:30:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:30:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash -720536967, now seen corresponding path program 1 times [2020-10-12 16:30:39,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:30:39,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492969933] [2020-10-12 16:30:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:30:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:39,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:39,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:39,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:30:39,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-12 16:30:39,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:30:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 16:30:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 16:30:39,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:30:40,572 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-12 16:30:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:30:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:30:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 16:30:40,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:30:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:30:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:30:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:30:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:30:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:40,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:40,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:30:40,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:30:40,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:30:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:30:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:30:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:30:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:30:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:40,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:40,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:40,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:30:40,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:30:40,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:30:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:30:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:30:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:30:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:30:40,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492969933] [2020-10-12 16:30:40,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:30:40,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 16:30:40,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444224462] [2020-10-12 16:30:40,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 16:30:40,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:30:40,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 16:30:40,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 16:30:40,932 INFO L87 Difference]: Start difference. First operand 780 states and 1129 transitions. Second operand 6 states. [2020-10-12 16:30:42,118 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 248