/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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:27:07,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:27:07,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:27:08,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:27:08,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:27:08,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:27:08,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:27:08,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:27:08,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:27:08,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:27:08,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:27:08,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:27:08,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:27:08,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:27:08,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:27:08,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:27:08,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:27:08,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:27:08,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:27:08,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:27:08,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:27:08,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:27:08,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:27:08,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:27:08,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:27:08,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:27:08,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:27:08,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:27:08,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:27:08,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:27:08,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:27:08,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:27:08,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:27:08,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:27:08,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:27:08,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:27:08,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:27:08,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:27:08,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:27:08,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:27:08,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:27:08,092 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 16:27:08,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:27:08,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:27:08,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:27:08,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:27:08,115 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:27:08,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:27:08,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:27:08,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:27:08,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:27:08,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:27:08,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:27:08,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:27:08,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:27:08,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:27:08,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:27:08,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:27:08,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:27:08,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:27:08,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:27:08,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:27:08,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:27:08,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:27:08,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:27:08,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:27:08,119 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 16:27:08,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:27:08,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:27:08,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:27:08,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:27:08,413 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:27:08,414 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2020-10-12 16:27:08,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd1a6965/4e0490207ada4980859ca1181067aadb/FLAG3a8921bce [2020-10-12 16:27:09,246 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:27:09,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2020-10-12 16:27:09,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd1a6965/4e0490207ada4980859ca1181067aadb/FLAG3a8921bce [2020-10-12 16:27:09,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd1a6965/4e0490207ada4980859ca1181067aadb [2020-10-12 16:27:09,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:27:09,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:27:09,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:09,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:27:09,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:27:09,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:09" (1/1) ... [2020-10-12 16:27:09,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ade58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:09, skipping insertion in model container [2020-10-12 16:27:09,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:09" (1/1) ... [2020-10-12 16:27:09,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:27:09,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:27:11,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:11,195 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:27:11,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:11,736 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:27:11,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11 WrapperNode [2020-10-12 16:27:11,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:11,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:27:11,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:27:11,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:27:11,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:11,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:11,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:11,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:12,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:12,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:12,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (1/1) ... [2020-10-12 16:27:12,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:27:12,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:27:12,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:27:12,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:27:12,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (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 16:27:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:27:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:27:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2020-10-12 16:27:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-12 16:27:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-12 16:27:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2020-10-12 16:27:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2020-10-12 16:27:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2020-10-12 16:27:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2020-10-12 16:27:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2020-10-12 16:27:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2020-10-12 16:27:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2020-10-12 16:27:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2020-10-12 16:27:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:27:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-12 16:27:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-12 16:27:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-12 16:27:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-12 16:27:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-12 16:27:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-12 16:27:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-12 16:27:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-12 16:27:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 16:27:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 16:27:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:27:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 16:27:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:27:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-12 16:27:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-12 16:27:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-12 16:27:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-12 16:27:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-12 16:27:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-12 16:27:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-12 16:27:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-12 16:27:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-12 16:27:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2020-10-12 16:27:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2020-10-12 16:27:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2020-10-12 16:27:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2020-10-12 16:27:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2020-10-12 16:27:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 16:27:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 16:27:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 16:27:13,463 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:13,518 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:13,518 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:13,519 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:13,527 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:13,528 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:13,536 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:13,543 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:13,543 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:13,544 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:13,558 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:13,558 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:13,562 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:25,120 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-12 16:27:25,121 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-12 16:27:25,144 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:25,151 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:25,151 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:25,151 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:25,158 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:25,158 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:25,159 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:25,168 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:25,168 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:25,168 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:25,177 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:25,177 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:25,184 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,316 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:27:45,317 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:27:45,380 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,549 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2020-10-12 16:27:45,550 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2020-10-12 16:27:45,556 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,569 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:45,569 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:45,570 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,596 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 16:27:45,596 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 16:27:45,597 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,603 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:45,604 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:45,604 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,614 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:45,614 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:45,628 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,634 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:45,634 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:45,635 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:45,641 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:45,642 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:53,555 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:00,964 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:28:00,964 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:28:00,972 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:14,702 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-12 16:28:14,703 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-12 16:28:14,714 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:14,745 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-12 16:28:14,745 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-12 16:28:15,067 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:15,073 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:15,073 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:15,117 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:15,194 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2020-10-12 16:28:15,195 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2020-10-12 16:28:15,388 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:15,393 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:15,394 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:15,511 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:15,533 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:15,534 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:15,535 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:25,807 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-12 16:28:25,808 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-12 16:28:25,813 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:25,841 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-12 16:28:25,841 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-12 16:28:25,849 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:25,866 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-12 16:28:25,867 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-12 16:28:25,887 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:25,893 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:25,893 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:26,429 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:27,410 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-12 16:28:27,410 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L3707: #res := 0; [2020-10-12 16:28:27,410 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-12 16:28:27,411 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:27,423 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:27,423 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:29,621 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:45,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 16:28:45,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 16:28:49,814 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:28:49,814 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-12 16:28:49,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:28:49 BoogieIcfgContainer [2020-10-12 16:28:49,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:28:49,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:28:49,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:28:49,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:28:49,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:27:09" (1/3) ... [2020-10-12 16:28:49,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b93241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:28:49, skipping insertion in model container [2020-10-12 16:28:49,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:11" (2/3) ... [2020-10-12 16:28:49,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b93241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:28:49, skipping insertion in model container [2020-10-12 16:28:49,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:28:49" (3/3) ... [2020-10-12 16:28:49,840 INFO L109 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2020-10-12 16:28:49,850 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:28:49,860 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:28:49,873 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:28:49,911 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:28:49,911 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:28:49,911 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:28:49,911 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:28:49,911 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:28:49,912 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:28:49,912 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:28:49,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:28:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states. [2020-10-12 16:28:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-12 16:28:49,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:28:49,969 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, 1] [2020-10-12 16:28:49,969 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:28:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:28:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1641690656, now seen corresponding path program 1 times [2020-10-12 16:28:49,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:28:49,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486787182] [2020-10-12 16:28:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:28:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:50,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:50,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:50,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:50,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:51,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:52,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:52,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 16:28:52,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:28:52,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1821 [2020-10-12 16:28:52,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:28:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 16:28:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:28:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:28:52,898 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-12 16:28:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:28:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:52,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:52,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:28:52,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:28:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 16:28:52,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:28:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:28:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:28:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:28:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:28:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:28:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:28:53,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:28:53,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:28:53,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:28:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 16:28:53,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:28:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:28:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:28:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:28:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:28:53,142 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 16:28:53,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486787182] [2020-10-12 16:28:53,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:28:53,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 16:28:53,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16067387] [2020-10-12 16:28:53,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 16:28:53,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:28:53,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 16:28:53,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 16:28:53,172 INFO L87 Difference]: Start difference. First operand 1253 states. Second operand 5 states. [2020-10-12 16:30:04,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:30:04,088 INFO L93 Difference]: Finished difference Result 1417 states and 2233 transitions. [2020-10-12 16:30:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 16:30:04,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-12 16:30:04,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:30:04,130 INFO L225 Difference]: With dead ends: 1417 [2020-10-12 16:30:04,130 INFO L226 Difference]: Without dead ends: 740 [2020-10-12 16:30:04,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 16:30:04,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-12 16:30:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 674. [2020-10-12 16:30:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-12 16:30:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 985 transitions. [2020-10-12 16:30:04,297 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 985 transitions. Word has length 26 [2020-10-12 16:30:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:30:04,297 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 985 transitions. [2020-10-12 16:30:04,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 16:30:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 985 transitions. [2020-10-12 16:30:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-12 16:30:04,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:30:04,299 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:30:04,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:30:04,300 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:30:04,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:30:04,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1488298766, now seen corresponding path program 1 times [2020-10-12 16:30:04,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:30:04,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939028294] [2020-10-12 16:30:04,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:30:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:04,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:04,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:05,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 16:30:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:30:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:30:09,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:30:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 16:30:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:30:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:30:09,841 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-12 16:30:09,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:30:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:09,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:09,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:30:09,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:30:09,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:30:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:30:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:30:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:30:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:30:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:30:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:30:09,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:30:09,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:30:09,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:30:09,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:30:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 16:30:10,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939028294] [2020-10-12 16:30:10,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:30:10,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 16:30:10,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578016294] [2020-10-12 16:30:10,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 16:30:10,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:30:10,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 16:30:10,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 16:30:10,008 INFO L87 Difference]: Start difference. First operand 674 states and 985 transitions. Second operand 6 states. [2020-10-12 16:31:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:31:23,895 INFO L93 Difference]: Finished difference Result 1406 states and 2087 transitions. [2020-10-12 16:31:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 16:31:23,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-12 16:31:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:31:23,920 INFO L225 Difference]: With dead ends: 1406 [2020-10-12 16:31:23,920 INFO L226 Difference]: Without dead ends: 741 [2020-10-12 16:31:23,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-12 16:31:23,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-12 16:31:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 680. [2020-10-12 16:31:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-12 16:31:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 991 transitions. [2020-10-12 16:31:24,026 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 991 transitions. Word has length 32 [2020-10-12 16:31:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:31:24,027 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 991 transitions. [2020-10-12 16:31:24,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 16:31:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 991 transitions. [2020-10-12 16:31:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 16:31:24,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:31:24,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-10-12 16:31:24,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:31:24,030 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:31:24,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:31:24,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1468017208, now seen corresponding path program 2 times [2020-10-12 16:31:24,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:31:24,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635129242] [2020-10-12 16:31:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:31:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:24,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:24,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:24,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:28,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:29,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 16:31:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:31:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-12 16:31:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:31:29,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:31:29,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:31:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4