/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 [2020-10-15 00:13:12,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:13:12,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:13:12,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:13:12,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:13:12,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:13:12,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:13:12,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:13:12,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:13:12,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:13:12,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:13:12,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:13:12,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:13:12,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:13:12,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:13:12,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:13:12,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:13:12,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:13:12,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:13:12,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:13:12,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:13:12,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:13:12,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:13:12,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:13:12,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:13:12,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:13:12,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:13:12,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:13:12,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:13:12,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:13:12,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:13:12,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:13:12,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:13:12,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:13:12,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:13:12,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:13:12,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:13:12,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:13:12,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:13:12,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:13:12,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:13:12,927 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 [2020-10-15 00:13:12,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:13:12,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:13:12,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:13:12,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:13:12,952 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:13:12,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:13:12,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:13:12,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:13:12,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:13:12,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:13:12,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:13:12,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:13:12,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:13:12,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:13:12,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:13:12,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:13:12,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:13:12,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:13:12,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:13:12,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:13:12,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:13:12,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:13:12,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:13:12,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:13:12,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:13:12,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:13:12,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:13:12,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:13:12,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:13:12,958 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:13:13,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:13:13,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:13:13,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:13:13,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:13:13,314 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:13:13,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-15 00:13:13,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8db2cffc/fe45c749727d48e6a62905c40c88e18a/FLAGfdb8c98d8 [2020-10-15 00:13:14,144 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:13:14,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-15 00:13:14,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8db2cffc/fe45c749727d48e6a62905c40c88e18a/FLAGfdb8c98d8 [2020-10-15 00:13:14,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8db2cffc/fe45c749727d48e6a62905c40c88e18a [2020-10-15 00:13:14,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:13:14,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:13:14,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:13:14,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:13:14,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:13:14,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:14" (1/1) ... [2020-10-15 00:13:14,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601b4a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:14, skipping insertion in model container [2020-10-15 00:13:14,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:14" (1/1) ... [2020-10-15 00:13:14,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:13:14,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:13:16,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:13:16,508 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:13:16,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:13:17,143 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:13:17,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17 WrapperNode [2020-10-15 00:13:17,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:13:17,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:13:17,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:13:17,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:13:17,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (1/1) ... [2020-10-15 00:13:17,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:13:17,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:13:17,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:13:17,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:13:17,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (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 [2020-10-15 00:13:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:13:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:13:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-15 00:13:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-15 00:13:17,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-15 00:13:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-15 00:13:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyUnload [2020-10-15 00:13:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyAddDevice [2020-10-15 00:13:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConfigCallBack [2020-10-15 00:13:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2020-10-15 00:13:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2020-10-15 00:13:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2020-10-15 00:13:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2020-10-15 00:13:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2020-10-15 00:13:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2020-10-15 00:13:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2020-10-15 00:13:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPower [2020-10-15 00:13:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyReadWrite [2020-10-15 00:13:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInterpretError [2020-10-15 00:13:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFinishOperation [2020-10-15 00:13:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlStartDrive [2020-10-15 00:13:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDatarateSpecifyConfigure [2020-10-15 00:13:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlRecalibrateDrive [2020-10-15 00:13:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDetermineMediaType [2020-10-15 00:13:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAllocateIoBuffer [2020-10-15 00:13:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFreeIoBuffer [2020-10-15 00:13:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyThread [2020-10-15 00:13:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConsolidateMediaTypeWithBootSector [2020-10-15 00:13:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckBootSector [2020-10-15 00:13:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWriteTrack [2020-10-15 00:13:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWrite [2020-10-15 00:13:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFormat [2020-10-15 00:13:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2020-10-15 00:13:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlIssueCommand [2020-10-15 00:13:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInitializeControllerHardware [2020-10-15 00:13:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2020-10-15 00:13:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure FlHdbit [2020-10-15 00:13:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2020-10-15 00:13:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCancelQueuedRequest [2020-10-15 00:13:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2020-10-15 00:13:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-15 00:13:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:13:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-15 00:13:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-15 00:13:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-15 00:13:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-15 00:13:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-15 00:13:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-15 00:13:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-15 00:13:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-15 00:13:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-15 00:13:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-15 00:13:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-15 00:13:17,742 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-15 00:13:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-15 00:13:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-15 00:13:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-15 00:13:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-15 00:13:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-15 00:13:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-15 00:13:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-15 00:13:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-15 00:13:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-15 00:13:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-15 00:13:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-15 00:13:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-15 00:13:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-15 00:13:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 00:13:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 00:13:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 00:13:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-15 00:13:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-15 00:13:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-15 00:13:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-15 00:13:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-15 00:13:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-15 00:13:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-15 00:13:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-15 00:13:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:13:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:13:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-15 00:13:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-15 00:13:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-15 00:13:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-15 00:13:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-15 00:13:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-15 00:13:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-15 00:13:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-15 00:13:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-15 00:13:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-15 00:13:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-15 00:13:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-15 00:13:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-15 00:13:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-15 00:13:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-15 00:13:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-15 00:13:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-15 00:13:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-15 00:13:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-15 00:13:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-15 00:13:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-15 00:13:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-15 00:13:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-15 00:13:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-15 00:13:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-15 00:13:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-15 00:13:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-15 00:13:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-15 00:13:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyUnload [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure FlConfigCallBack [2020-10-15 00:13:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure FlInitializeControllerHardware [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyReadWrite [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FlRecalibrateDrive [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FlDatarateSpecifyConfigure [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FlStartDrive [2020-10-15 00:13:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure FlFinishOperation [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlDetermineMediaType [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyThread [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWrite [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlFormat [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlIssueCommand [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2020-10-15 00:13:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure FlInterpretError [2020-10-15 00:13:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure FlAllocateIoBuffer [2020-10-15 00:13:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure FlFreeIoBuffer [2020-10-15 00:13:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure FlConsolidateMediaTypeWithBootSector [2020-10-15 00:13:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckBootSector [2020-10-15 00:13:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWriteTrack [2020-10-15 00:13:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2020-10-15 00:13:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyAddDevice [2020-10-15 00:13:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2020-10-15 00:13:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPower [2020-10-15 00:13:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2020-10-15 00:13:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2020-10-15 00:13:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2020-10-15 00:13:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2020-10-15 00:13:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCancelQueuedRequest [2020-10-15 00:13:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2020-10-15 00:13:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure FlHdbit [2020-10-15 00:13:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:13:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-15 00:13:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-15 00:13:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:13:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:13:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:13:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:13:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:13:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 00:13:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 00:13:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-15 00:13:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-15 00:13:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:13:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-15 00:13:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-15 00:13:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 00:13:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 00:13:19,147 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:19,208 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:19,209 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:19,209 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:19,219 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:19,219 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,756 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,767 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,768 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,768 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,788 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,788 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,799 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,810 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,810 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,897 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,907 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,907 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,908 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,920 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,921 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:29,921 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:29,939 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:29,939 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:30,018 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,130 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-15 00:13:30,130 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-15 00:13:30,235 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,243 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:30,244 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:30,244 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,251 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:30,252 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:30,252 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,262 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:30,263 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:30,279 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,288 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:30,288 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:30,288 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:30,296 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:30,296 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:42,503 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:42,552 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 00:13:42,552 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 00:13:45,104 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:52,000 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-15 00:13:52,000 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-15 00:13:53,372 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:53,386 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:53,386 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:14:19,665 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:22,317 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2020-10-15 00:14:22,318 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2020-10-15 00:14:22,323 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:29,983 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-15 00:14:29,983 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-15 00:14:29,984 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:30,105 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-15 00:14:30,105 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-15 00:14:48,110 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:48,123 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:14:48,123 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:14:50,014 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:50,027 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:14:50,028 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:14:52,228 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:14:56,555 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-15 00:14:56,555 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-15 00:14:56,824 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:06,040 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2020-10-15 00:15:06,041 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2020-10-15 00:15:06,042 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:06,114 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 00:15:06,115 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 00:15:06,115 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:11,356 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-15 00:15:11,357 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-15 00:15:11,365 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:11,385 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-15 00:15:11,385 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-15 00:15:11,457 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:11,472 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:15:11,472 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:15:11,517 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:11,532 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:15:11,532 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:15:11,533 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:12,298 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-15 00:15:12,298 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-15 00:15:12,504 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:15:15,147 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-15 00:15:15,147 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-15 00:15:15,195 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:15:15,195 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-15 00:15:15,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:15:15 BoogieIcfgContainer [2020-10-15 00:15:15,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:15:15,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:15:15,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:15:15,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:15:15,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:13:14" (1/3) ... [2020-10-15 00:15:15,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57defc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:15:15, skipping insertion in model container [2020-10-15 00:15:15,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:17" (2/3) ... [2020-10-15 00:15:15,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57defc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:15:15, skipping insertion in model container [2020-10-15 00:15:15,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:15:15" (3/3) ... [2020-10-15 00:15:15,216 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-1.c [2020-10-15 00:15:15,227 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:15:15,236 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:15:15,250 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:15:15,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:15:15,279 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:15:15,279 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:15:15,279 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:15:15,279 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:15:15,279 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:15:15,280 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:15:15,280 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:15:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states. [2020-10-15 00:15:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 00:15:15,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:15:15,330 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] [2020-10-15 00:15:15,330 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:15:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:15:15,335 INFO L82 PathProgramCache]: Analyzing trace with hash 78814533, now seen corresponding path program 1 times [2020-10-15 00:15:15,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:15:15,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639884284] [2020-10-15 00:15:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:15:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:18,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:21,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:21,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 00:15:21,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:15:21,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-10-15 00:15:21,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:21,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:15:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 00:15:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 00:15:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 00:15:21,477 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 00:15:21,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:15:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:21,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:21,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-15 00:15:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:21,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:15:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:21,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:21,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:21,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:21,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:15:21,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:15:21,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 00:15:21,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:21,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:15:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:15:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:15:21,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:15:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:21,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:21,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 00:15:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:21,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:15:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:15:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 00:15:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:22,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:22,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:22,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:15:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 00:15:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:22,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:15:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:15:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:22,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:15:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:22,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:22,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:22,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 00:15:22,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:22,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:15:22,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639884284] [2020-10-15 00:15:22,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:15:22,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 00:15:22,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359164284] [2020-10-15 00:15:22,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:15:22,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:15:22,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:15:22,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:15:22,287 INFO L87 Difference]: Start difference. First operand 1449 states. Second operand 11 states. [2020-10-15 00:15:22,595 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 00:15:26,380 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 00:15:26,692 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 00:15:27,294 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 00:16:08,553 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 00:17:12,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:12,405 INFO L93 Difference]: Finished difference Result 1422 states and 2159 transitions. [2020-10-15 00:17:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 00:17:12,410 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-10-15 00:17:12,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:12,442 INFO L225 Difference]: With dead ends: 1422 [2020-10-15 00:17:12,442 INFO L226 Difference]: Without dead ends: 756 [2020-10-15 00:17:12,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-15 00:17:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-10-15 00:17:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 659. [2020-10-15 00:17:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-10-15 00:17:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 919 transitions. [2020-10-15 00:17:12,637 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 919 transitions. Word has length 37 [2020-10-15 00:17:12,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:12,638 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 919 transitions. [2020-10-15 00:17:12,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 00:17:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 919 transitions. [2020-10-15 00:17:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 00:17:12,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:12,641 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] [2020-10-15 00:17:12,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:17:12,641 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:12,642 INFO L82 PathProgramCache]: Analyzing trace with hash 94565290, now seen corresponding path program 1 times [2020-10-15 00:17:12,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:12,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327988598] [2020-10-15 00:17:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:18,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:18,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 00:17:18,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:18,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5305 [2020-10-15 00:17:18,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:18,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 00:17:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 00:17:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:18,444 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 00:17:18,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:17:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:18,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:18,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:18,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:18,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:18,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-15 00:17:18,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:18,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:18,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:17:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:18,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:18,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:17:18,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:17:18,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 00:17:18,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:18,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:17:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:17:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:17:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:18,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 00:17:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:18,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:18,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 00:17:18,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:18,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:17:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 00:17:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:19,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:17:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 00:17:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:19,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:17:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:17:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:17:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:19,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:17:19,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:17:19,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:17:19,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 00:17:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:17:19,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:17:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:17:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:17:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:17:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:17:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:17:19,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327988598] [2020-10-15 00:17:19,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 00:17:19,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 00:17:19,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448675348] [2020-10-15 00:17:19,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:17:19,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:17:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:17:19,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:17:19,205 INFO L87 Difference]: Start difference. First operand 659 states and 919 transitions. Second operand 11 states.