/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=NARROWEST --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/floppy2.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:12:15,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:12:15,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:12:15,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:12:15,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:12:15,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:12:15,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:12:15,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:12:15,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:12:15,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:12:15,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:12:15,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:12:15,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:12:15,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:12:15,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:12:15,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:12:15,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:12:15,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:12:15,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:12:15,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:12:15,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:12:15,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:12:15,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:12:15,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:12:15,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:12:15,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:12:15,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:12:15,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:12:15,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:12:15,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:12:15,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:12:15,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:12:15,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:12:15,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:12:15,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:12:15,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:12:15,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:12:15,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:12:15,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:12:15,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:12:15,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:12:15,866 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 [2020-10-13 11:12:15,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:12:15,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:12:15,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:12:15,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:12:15,917 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:12:15,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:12:15,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:12:15,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:12:15,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:12:15,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:12:15,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:12:15,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:12:15,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:12:15,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:12:15,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:12:15,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:12:15,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:12:15,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:12:15,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:12:15,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:12:15,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:12:15,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:12:15,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:12:15,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:12:15,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:12:15,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:12:15,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:12:15,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:12:15,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:12:15,928 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:12:16,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:12:16,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:12:16,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:12:16,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:12:16,293 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:12:16,294 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/floppy2.i.cil.c [2020-10-13 11:12:16,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29394f1ad/b5258ca87756499fb81650970c882fcd/FLAG5e822ee20 [2020-10-13 11:12:17,503 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:12:17,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/floppy2.i.cil.c [2020-10-13 11:12:17,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29394f1ad/b5258ca87756499fb81650970c882fcd/FLAG5e822ee20 [2020-10-13 11:12:17,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29394f1ad/b5258ca87756499fb81650970c882fcd [2020-10-13 11:12:17,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:12:17,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:12:17,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:12:17,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:12:17,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:12:17,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:17" (1/1) ... [2020-10-13 11:12:17,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a0f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:17, skipping insertion in model container [2020-10-13 11:12:17,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:17" (1/1) ... [2020-10-13 11:12:17,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:12:18,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:12:21,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:12:21,450 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:12:22,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:12:22,368 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:12:22,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22 WrapperNode [2020-10-13 11:12:22,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:12:22,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:12:22,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:12:22,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:12:22,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:22,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:22,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:22,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:23,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:23,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:23,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (1/1) ... [2020-10-13 11:12:23,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:12:23,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:12:23,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:12:23,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:12:23,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (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 [2020-10-13 11:12:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:12:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PDEVICE_OBJECT~0~X~~PIRP~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PDRIVER_OBJECT~0~X~~PUNICODE_STRING~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PDRIVER_OBJECT~0~TO~VOID [2020-10-13 11:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PDEVICE_OBJECT~0~X~~PIRP~0~X~~PVOID~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2020-10-13 11:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShllMod32___0 [2020-10-13 11:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShraMod32___0 [2020-10-13 11:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShrlMod32___0 [2020-10-13 11:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ListEntry32To64 [2020-10-13 11:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ListEntry64To32 [2020-10-13 11:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerAdd [2020-10-13 11:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlEnlargedIntegerMultiply [2020-10-13 11:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlEnlargedUnsignedMultiply [2020-10-13 11:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlEnlargedUnsignedDivide [2020-10-13 11:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerNegate [2020-10-13 11:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerSubtract [2020-10-13 11:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlConvertLongToLargeInteger [2020-10-13 11:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlConvertUlongToLargeInteger [2020-10-13 11:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerShiftLeft [2020-10-13 11:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerShiftRight [2020-10-13 11:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlLargeIntegerArithmeticShift [2020-10-13 11:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlConvertLongToLuid [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlConvertUlongToLuid [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyUnload [2020-10-13 11:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyAddDevice [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConfigCallBack [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2020-10-13 11:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPower [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyReadWrite [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInterpretError [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFinishOperation [2020-10-13 11:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure FlStartDrive [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDatarateSpecifyConfigure [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlRecalibrateDrive [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDetermineMediaType [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAllocateIoBuffer [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFreeIoBuffer [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyThread [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConsolidateMediaTypeWithBootSector [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckBootSector [2020-10-13 11:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWriteTrack [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWrite [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFormat [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlIssueCommand [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInitializeControllerHardware [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2020-10-13 11:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure FlHdbit [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCancelQueuedRequest [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShllMod32___1 [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShraMod32___1 [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure Int64ShrlMod32___1 [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-13 11:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-13 11:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-13 11:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-13 11:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-13 11:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-13 11:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-13 11:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-13 11:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-13 11:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 11:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 11:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2020-10-13 11:12:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShllMod32___0 [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShraMod32___0 [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShrlMod32___0 [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ListEntry32To64 [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ListEntry64To32 [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-13 11:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerAdd [2020-10-13 11:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlEnlargedIntegerMultiply [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlEnlargedUnsignedMultiply [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlEnlargedUnsignedDivide [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerNegate [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerSubtract [2020-10-13 11:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure RtlConvertLongToLargeInteger [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlConvertUlongToLargeInteger [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerShiftLeft [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerShiftRight [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlLargeIntegerArithmeticShift [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlConvertLongToLuid [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure RtlConvertUlongToLuid [2020-10-13 11:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-13 11:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-13 11:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-13 11:12:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-13 11:12:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-13 11:12:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-13 11:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyUnload [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure FlConfigCallBack [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure FlInitializeControllerHardware [2020-10-13 11:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyReadWrite [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlRecalibrateDrive [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlDatarateSpecifyConfigure [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlStartDrive [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlFinishOperation [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlDetermineMediaType [2020-10-13 11:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyThread [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWrite [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlFormat [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlIssueCommand [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlInterpretError [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlAllocateIoBuffer [2020-10-13 11:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlFreeIoBuffer [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlConsolidateMediaTypeWithBootSector [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckBootSector [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWriteTrack [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyAddDevice [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2020-10-13 11:12:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPower [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCancelQueuedRequest [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlHdbit [2020-10-13 11:12:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PDEVICE_OBJECT~0~X~~PIRP~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShllMod32___1 [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShraMod32___1 [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure Int64ShrlMod32___1 [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PDRIVER_OBJECT~0~X~~PUNICODE_STRING~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PDRIVER_OBJECT~0~TO~VOID [2020-10-13 11:12:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PDEVICE_OBJECT~0~X~~PIRP~0~X~~PVOID~0~TO~~NTSTATUS~0 [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:12:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 11:12:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 11:12:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 11:12:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 11:12:25,928 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:25,983 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:25,983 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:25,983 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:25,994 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:25,994 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,672 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,681 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,682 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,694 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,694 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,699 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,707 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,708 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,827 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,836 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,836 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,837 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,847 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,848 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,848 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:35,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:35,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:35,983 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,160 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !false; [2020-10-13 11:12:36,160 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume false; [2020-10-13 11:12:36,422 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,428 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:36,429 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:36,429 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,438 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:36,438 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:36,439 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,448 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:36,449 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:36,538 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,546 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:36,546 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:36,547 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:36,553 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:36,553 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:50,235 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:50,268 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-13 11:12:50,269 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-13 11:12:50,747 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:54,340 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2020-10-13 11:12:54,340 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2020-10-13 11:12:57,767 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:57,775 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:12:57,775 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:12:58,156 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:12:58,326 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2020-10-13 11:12:58,326 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2020-10-13 11:12:58,329 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:00,269 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-13 11:13:00,269 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-13 11:13:00,270 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:00,421 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-13 11:13:00,422 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-13 11:13:15,483 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:15,493 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:13:15,494 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:13:17,458 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:17,467 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:13:17,468 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:13:17,546 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:23,012 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-13 11:13:23,012 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-13 11:13:24,084 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:28,930 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2020-10-13 11:13:28,931 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2020-10-13 11:13:28,933 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:28,994 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-13 11:13:28,994 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-13 11:13:28,995 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:29,755 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2020-10-13 11:13:29,755 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2020-10-13 11:13:29,759 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:29,774 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-13 11:13:29,774 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-13 11:13:29,843 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:29,854 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:13:29,854 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:13:30,191 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:30,202 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-13 11:13:30,202 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-13 11:13:30,204 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:31,061 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2020-10-13 11:13:31,062 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume false; [2020-10-13 11:13:33,458 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 11:13:37,083 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-13 11:13:37,083 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-13 11:13:37,149 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:13:37,149 INFO L295 CfgBuilder]: Removed 180 assume(true) statements. [2020-10-13 11:13:37,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:13:37 BoogieIcfgContainer [2020-10-13 11:13:37,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:13:37,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:13:37,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:13:37,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:13:37,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:12:17" (1/3) ... [2020-10-13 11:13:37,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65586680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:13:37, skipping insertion in model container [2020-10-13 11:13:37,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22" (2/3) ... [2020-10-13 11:13:37,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65586680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:13:37, skipping insertion in model container [2020-10-13 11:13:37,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:13:37" (3/3) ... [2020-10-13 11:13:37,173 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy2.i.cil.c [2020-10-13 11:13:37,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:13:37,197 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:13:37,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:13:37,243 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:13:37,243 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:13:37,243 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:13:37,243 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:13:37,244 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:13:37,244 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:13:37,244 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:13:37,244 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:13:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states. [2020-10-13 11:13:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 11:13:37,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:13:37,309 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, 1, 1, 1, 1, 1] [2020-10-13 11:13:37,309 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:13:37,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:13:37,318 INFO L82 PathProgramCache]: Analyzing trace with hash -234335456, now seen corresponding path program 1 times [2020-10-13 11:13:37,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:13:37,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992373446] [2020-10-13 11:13:37,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:13:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:42,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 11:13:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:13:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-13 11:13:42,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:13:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:13:43,334 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 11:13:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:13:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:43,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:43,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:13:43,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:13:43,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-13 11:13:43,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:13:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:13:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:13:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:43,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:44,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:13:44,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:13:44,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-13 11:13:44,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:44,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:13:44,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:44,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:13:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:13:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:44,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:44,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:44,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:13:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:13:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:13:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:44,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:44,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:13:44,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:13:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:13:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:13:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:13:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:13:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:13:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:13:44,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:13:44,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:13:44,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:13:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:13:44,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:13:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:13:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:13:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:13:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:13:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:13:44,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992373446] [2020-10-13 11:13:44,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:13:44,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 11:13:44,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613914125] [2020-10-13 11:13:44,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 11:13:44,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:13:44,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 11:13:44,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 11:13:44,896 INFO L87 Difference]: Start difference. First operand 2067 states. Second operand 4 states. [2020-10-13 11:13:45,121 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:14:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:14:20,038 INFO L93 Difference]: Finished difference Result 1987 states and 3103 transitions. [2020-10-13 11:14:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 11:14:20,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-10-13 11:14:20,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:14:20,070 INFO L225 Difference]: With dead ends: 1987 [2020-10-13 11:14:20,071 INFO L226 Difference]: Without dead ends: 1048 [2020-10-13 11:14:20,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 11:14:20,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-10-13 11:14:20,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 936. [2020-10-13 11:14:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2020-10-13 11:14:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1285 transitions. [2020-10-13 11:14:20,297 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1285 transitions. Word has length 43 [2020-10-13 11:14:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:14:20,298 INFO L479 AbstractCegarLoop]: Abstraction has 936 states and 1285 transitions. [2020-10-13 11:14:20,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 11:14:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1285 transitions. [2020-10-13 11:14:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 11:14:20,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:14:20,302 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, 1, 1, 1, 1, 1] [2020-10-13 11:14:20,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:14:20,303 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:14:20,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:14:20,304 INFO L82 PathProgramCache]: Analyzing trace with hash -306722014, now seen corresponding path program 1 times [2020-10-13 11:14:20,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:14:20,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602979336] [2020-10-13 11:14:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:14:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:20,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:22,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:25,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:25,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 11:14:25,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:14:25,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5156 [2020-10-13 11:14:25,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:25,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:14:25,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:14:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 11:14:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:14:26,031 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 11:14:26,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:14:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:26,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:26,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:26,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:14:26,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:14:26,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-13 11:14:26,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:14:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:14:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:14:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:14:26,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:14:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:26,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:14:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:14:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-13 11:14:27,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:14:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:14:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 11:14:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:14:27,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:14:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:27,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:14:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:14:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-13 11:14:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:14:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:14:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:14:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:14:27,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:14:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:14:27,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:14:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:14:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:14:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:14:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:14:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:14:27,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:14:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:14:27,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:14:27,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:14:27,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:14:27,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:14:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:14:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:14:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:14:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:14:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:14:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:14:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:14:27,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602979336] [2020-10-13 11:14:27,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:14:27,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 11:14:27,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444446822] [2020-10-13 11:14:27,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:14:27,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:14:27,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:14:27,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:14:27,653 INFO L87 Difference]: Start difference. First operand 936 states and 1285 transitions. Second operand 6 states. [2020-10-13 11:14:27,868 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:14:31,081 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 11:15:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:15:18,195 INFO L93 Difference]: Finished difference Result 1070 states and 1521 transitions. [2020-10-13 11:15:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:15:18,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-10-13 11:15:18,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:15:18,210 INFO L225 Difference]: With dead ends: 1070 [2020-10-13 11:15:18,210 INFO L226 Difference]: Without dead ends: 1048 [2020-10-13 11:15:18,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:15:18,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-10-13 11:15:18,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 936. [2020-10-13 11:15:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2020-10-13 11:15:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1284 transitions. [2020-10-13 11:15:18,308 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1284 transitions. Word has length 43 [2020-10-13 11:15:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:15:18,309 INFO L479 AbstractCegarLoop]: Abstraction has 936 states and 1284 transitions. [2020-10-13 11:15:18,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:15:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1284 transitions. [2020-10-13 11:15:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 11:15:18,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:15:18,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:15:18,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:15:18,312 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:15:18,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:15:18,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1159901221, now seen corresponding path program 1 times [2020-10-13 11:15:18,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:15:18,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817794366] [2020-10-13 11:15:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:15:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:19,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:24,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 11:15:24,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:15:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5616 [2020-10-13 11:15:24,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:15:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:15:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:15:24,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:15:24,495 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 11:15:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:15:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:24,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-13 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:15:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:15:24,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:15:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:24,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:25,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 982 [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:15:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 11:15:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:15:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:15:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:26,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:26,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:26,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:15:26,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-13 11:15:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:15:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:15:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:15:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:15:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:15:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:26,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:26,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:26,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:15:26,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:15:26,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:15:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:15:26,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:15:26,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:15:26,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:15:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:15:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:15:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:15:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:15:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:15:26,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:15:26,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:15:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:15:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:15:26,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:15:26,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:15:26,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:15:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:15:26,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:15:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:15:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:15:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:15:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:15:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:15:26,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817794366] [2020-10-13 11:15:26,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:15:26,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:15:26,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022749998] [2020-10-13 11:15:26,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:15:26,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:15:26,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:15:26,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:15:26,835 INFO L87 Difference]: Start difference. First operand 936 states and 1284 transitions. Second operand 10 states. [2020-10-13 11:15:27,042 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 160