/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/floppy.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:27:17,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:27:17,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:27:17,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:27:17,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:27:17,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:27:17,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:27:17,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:27:17,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:27:17,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:27:17,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:27:17,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:27:17,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:27:17,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:27:17,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:27:17,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:27:17,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:27:17,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:27:17,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:27:17,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:27:17,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:27:17,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:27:17,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:27:17,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:27:17,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:27:17,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:27:17,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:27:17,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:27:17,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:27:17,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:27:17,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:27:17,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:27:17,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:27:17,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:27:17,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:27:17,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:27:17,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:27:17,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:27:17,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:27:17,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:27:17,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:27:17,613 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 16:27:17,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:27:17,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:27:17,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:27:17,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:27:17,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:27:17,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:27:17,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:27:17,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:27:17,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:27:17,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:27:17,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:27:17,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:27:17,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:27:17,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:27:17,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:27:17,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:27:17,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:27:17,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:27:17,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:27:17,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:27:17,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:27:17,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:27:17,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:27:17,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:27:17,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:27:17,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:27:17,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:27:17,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:27:17,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:27:17,645 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 16:27:17,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:27:17,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:27:17,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:27:17,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:27:17,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:27:17,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-12 16:27:18,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd78169b1/5ca970a8ebd8479780d7afd7ee46ce1a/FLAG8de072f71 [2020-10-12 16:27:18,784 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:27:18,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-12 16:27:18,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd78169b1/5ca970a8ebd8479780d7afd7ee46ce1a/FLAG8de072f71 [2020-10-12 16:27:18,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd78169b1/5ca970a8ebd8479780d7afd7ee46ce1a [2020-10-12 16:27:18,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:27:18,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:27:18,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:18,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:27:18,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:27:18,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:18" (1/1) ... [2020-10-12 16:27:18,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400cc21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:18, skipping insertion in model container [2020-10-12 16:27:18,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:27:18" (1/1) ... [2020-10-12 16:27:18,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:27:19,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:27:20,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:20,538 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:27:21,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:27:21,232 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:27:21,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21 WrapperNode [2020-10-12 16:27:21,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:27:21,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:27:21,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:27:21,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:27:21,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (1/1) ... [2020-10-12 16:27:21,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:27:21,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:27:21,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:27:21,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:27:21,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (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 16:27:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:27:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:27:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-12 16:27:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyUnload [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyAddDevice [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConfigCallBack [2020-10-12 16:27:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2020-10-12 16:27:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2020-10-12 16:27:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2020-10-12 16:27:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2020-10-12 16:27:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2020-10-12 16:27:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2020-10-12 16:27:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2020-10-12 16:27:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPower [2020-10-12 16:27:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyReadWrite [2020-10-12 16:27:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInterpretError [2020-10-12 16:27:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFinishOperation [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlStartDrive [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDatarateSpecifyConfigure [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlRecalibrateDrive [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDetermineMediaType [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAllocateIoBuffer [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFreeIoBuffer [2020-10-12 16:27:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyThread [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConsolidateMediaTypeWithBootSector [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckBootSector [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWriteTrack [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWrite [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFormat [2020-10-12 16:27:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FlIssueCommand [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInitializeControllerHardware [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FlHdbit [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCancelQueuedRequest [2020-10-12 16:27:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-12 16:27:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-12 16:27:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-12 16:27:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-12 16:27:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-12 16:27:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-12 16:27:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-12 16:27:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-12 16:27:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-12 16:27:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-12 16:27:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 16:27:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 16:27:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-12 16:27:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:27:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 16:27:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:27:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 16:27:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-12 16:27:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-12 16:27:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-12 16:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-12 16:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-12 16:27:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-12 16:27:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-12 16:27:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-12 16:27:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyUnload [2020-10-12 16:27:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure FlConfigCallBack [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FlInitializeControllerHardware [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyReadWrite [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FlRecalibrateDrive [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FlDatarateSpecifyConfigure [2020-10-12 16:27:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure FlStartDrive [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlFinishOperation [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlDetermineMediaType [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyThread [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWrite [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlFormat [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlIssueCommand [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2020-10-12 16:27:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlInterpretError [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlAllocateIoBuffer [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlFreeIoBuffer [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlConsolidateMediaTypeWithBootSector [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckBootSector [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWriteTrack [2020-10-12 16:27:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyAddDevice [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPower [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2020-10-12 16:27:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCancelQueuedRequest [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure FlHdbit [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:27:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-12 16:27:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 16:27:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 16:27:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 16:27:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 16:27:22,858 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:22,912 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:22,912 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:22,912 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:22,924 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:22,924 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,590 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,597 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,597 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,597 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,607 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,607 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,618 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,630 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,630 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,677 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,684 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,685 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,685 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,695 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,695 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,696 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,706 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,706 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,778 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-12 16:27:32,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-12 16:27:32,955 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,962 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,962 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,962 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,968 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,969 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,969 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,977 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,978 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,991 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:32,998 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:32,998 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:32,998 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:33,004 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:33,004 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:27:44,924 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:44,959 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-12 16:27:44,959 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-12 16:27:47,396 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:53,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-12 16:27:53,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-12 16:27:54,877 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:27:54,886 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:27:54,886 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:22,295 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:24,891 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2020-10-12 16:28:24,892 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2020-10-12 16:28:24,895 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:32,269 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-12 16:28:32,269 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-12 16:28:32,270 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:32,400 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-12 16:28:32,400 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-12 16:28:50,644 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:50,655 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:50,655 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:52,112 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:52,127 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:28:52,127 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:28:54,345 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:28:57,577 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-12 16:28:57,578 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-12 16:28:57,798 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:05,596 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2020-10-12 16:29:05,597 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2020-10-12 16:29:05,598 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:05,650 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-12 16:29:05,650 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-12 16:29:05,651 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:11,083 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-12 16:29:11,083 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-12 16:29:11,086 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:11,111 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-12 16:29:11,112 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-12 16:29:11,176 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:11,190 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:29:11,191 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:29:11,233 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:11,246 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 16:29:11,246 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 16:29:11,247 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:11,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-12 16:29:11,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-12 16:29:12,001 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 16:29:14,627 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-12 16:29:14,627 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-12 16:29:14,673 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:29:14,673 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-12 16:29:14,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:29:14 BoogieIcfgContainer [2020-10-12 16:29:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:29:14,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:29:14,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:29:14,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:29:14,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:27:18" (1/3) ... [2020-10-12 16:29:14,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eccc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:29:14, skipping insertion in model container [2020-10-12 16:29:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:27:21" (2/3) ... [2020-10-12 16:29:14,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eccc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:29:14, skipping insertion in model container [2020-10-12 16:29:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:29:14" (3/3) ... [2020-10-12 16:29:14,695 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-1.c [2020-10-12 16:29:14,705 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:29:14,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:29:14,727 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:29:14,754 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:29:14,754 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:29:14,754 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:29:14,754 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:29:14,755 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:29:14,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:29:14,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:29:14,755 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:29:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states. [2020-10-12 16:29:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-12 16:29:14,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:29:14,803 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, 1, 1, 1, 1, 1] [2020-10-12 16:29:14,803 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:29:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:29:14,808 INFO L82 PathProgramCache]: Analyzing trace with hash 78814533, now seen corresponding path program 1 times [2020-10-12 16:29:14,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:29:14,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339008944] [2020-10-12 16:29:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:29:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:15,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:15,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:17,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:20,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:20,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 16:29:20,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:29:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5088 [2020-10-12 16:29:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:29:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:29:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:29:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:29:20,808 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 16:29:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:29:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:20,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:21,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:29:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 16:29:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:29:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:29:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:29:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:29:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:29:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:21,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:21,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:21,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:29:21,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:29:21,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:29:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:29:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:29:21,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:29:21,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:29:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:21,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:21,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:21,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:29:21,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 16:29:21,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:21,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:29:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:29:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:29:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:29:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 16:29:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:21,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:21,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:21,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:29:21,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:21,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 16:29:21,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:29:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:29:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:29:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:29:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:29:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:29:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:29:21,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:29:21,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:29:21,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:29:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 16:29:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:29:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:29:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:29:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:29:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:29:21,550 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 16:29:21,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339008944] [2020-10-12 16:29:21,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:29:21,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 16:29:21,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995808592] [2020-10-12 16:29:21,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 16:29:21,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:29:21,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 16:29:21,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:29:21,587 INFO L87 Difference]: Start difference. First operand 1449 states. Second operand 9 states. [2020-10-12 16:29:21,922 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 16:29:25,204 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 16:29:25,464 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 16:31:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:31:00,365 INFO L93 Difference]: Finished difference Result 1390 states and 2115 transitions. [2020-10-12 16:31:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 16:31:00,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2020-10-12 16:31:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:31:00,394 INFO L225 Difference]: With dead ends: 1390 [2020-10-12 16:31:00,394 INFO L226 Difference]: Without dead ends: 735 [2020-10-12 16:31:00,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:31:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-10-12 16:31:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 645. [2020-10-12 16:31:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-12 16:31:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 902 transitions. [2020-10-12 16:31:00,549 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 902 transitions. Word has length 37 [2020-10-12 16:31:00,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:31:00,550 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 902 transitions. [2020-10-12 16:31:00,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 16:31:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 902 transitions. [2020-10-12 16:31:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 16:31:00,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:31:00,552 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, 1, 1, 1, 1, 1, 1] [2020-10-12 16:31:00,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:31:00,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:31:00,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:31:00,553 INFO L82 PathProgramCache]: Analyzing trace with hash 109156215, now seen corresponding path program 1 times [2020-10-12 16:31:00,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:31:00,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741321302] [2020-10-12 16:31:00,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:31:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:00,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:00,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:04,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:05,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:05,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 16:31:05,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:31:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-12 16:31:05,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:31:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:31:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:06,010 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 16:31:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:31:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:06,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:06,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:06,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 16:31:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:06,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:31:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:06,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:06,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:06,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:31:06,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:31:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:31:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:31:06,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:06,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:31:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:06,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:06,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 16:31:06,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:31:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:06,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:31:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:06,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:06,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:06,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:31:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 16:31:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:31:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:06,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:06,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:06,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:06,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:06,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:31:06,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:06,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:31:06,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741321302] [2020-10-12 16:31:06,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:31:06,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 16:31:06,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873159075] [2020-10-12 16:31:06,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 16:31:06,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:31:06,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 16:31:06,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-12 16:31:06,578 INFO L87 Difference]: Start difference. First operand 645 states and 902 transitions. Second operand 10 states. [2020-10-12 16:31:06,813 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 16:31:10,343 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187