/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:00:30,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:00:30,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:00:30,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:00:30,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:00:30,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:00:30,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:00:30,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:00:30,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:00:30,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:00:30,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:00:30,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:00:30,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:00:30,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:00:30,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:00:30,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:00:30,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:00:30,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:00:30,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:00:30,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:00:30,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:00:30,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:00:30,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:00:30,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:00:31,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:00:31,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:00:31,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:00:31,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:00:31,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:00:31,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:00:31,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:00:31,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:00:31,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:00:31,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:00:31,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:00:31,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:00:31,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:00:31,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:00:31,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:00:31,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:00:31,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:00:31,059 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 [2020-10-27 02:00:31,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:00:31,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:00:31,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:00:31,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:00:31,127 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:00:31,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:00:31,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:00:31,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:00:31,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:00:31,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:00:31,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:00:31,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:00:31,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:00:31,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:00:31,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:00:31,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:00:31,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:00:31,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:00:31,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:00:31,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:00:31,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:00:31,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:00:31,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:00:31,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:00:31,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:00:31,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:00:31,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:00:31,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:00:31,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:00:31,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:00:31,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:00:31,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:00:31,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:00:31,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:00:31,636 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:00:31,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-27 02:00:31,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4746aa244/2ec210ca460540489ebff14290fadd10/FLAGefa269ee8 [2020-10-27 02:00:32,680 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:00:32,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/floppy.i.cil-1.c [2020-10-27 02:00:32,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4746aa244/2ec210ca460540489ebff14290fadd10/FLAGefa269ee8 [2020-10-27 02:00:33,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4746aa244/2ec210ca460540489ebff14290fadd10 [2020-10-27 02:00:33,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:00:33,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:00:33,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:33,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:00:33,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:00:33,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:33" (1/1) ... [2020-10-27 02:00:33,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252f31c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:33, skipping insertion in model container [2020-10-27 02:00:33,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:33" (1/1) ... [2020-10-27 02:00:33,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:00:33,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:00:34,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:34,936 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:00:35,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:35,493 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:00:35,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35 WrapperNode [2020-10-27 02:00:35,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:35,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:00:35,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:00:35,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:00:35,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:35,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:35,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:35,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:36,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:36,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:36,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (1/1) ... [2020-10-27 02:00:36,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:00:36,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:00:36,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:00:36,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:00:36,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (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 [2020-10-27 02:00:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:00:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:00:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:00:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-27 02:00:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 02:00:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 02:00:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-27 02:00:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyUnload [2020-10-27 02:00:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyAddDevice [2020-10-27 02:00:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConfigCallBack [2020-10-27 02:00:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2020-10-27 02:00:36,341 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2020-10-27 02:00:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2020-10-27 02:00:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2020-10-27 02:00:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2020-10-27 02:00:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2020-10-27 02:00:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2020-10-27 02:00:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPower [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyReadWrite [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInterpretError [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFinishOperation [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FlStartDrive [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDatarateSpecifyConfigure [2020-10-27 02:00:36,344 INFO L138 BoogieDeclarations]: Found implementation of procedure FlRecalibrateDrive [2020-10-27 02:00:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure FlDetermineMediaType [2020-10-27 02:00:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAllocateIoBuffer [2020-10-27 02:00:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFreeIoBuffer [2020-10-27 02:00:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyThread [2020-10-27 02:00:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure FlConsolidateMediaTypeWithBootSector [2020-10-27 02:00:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckBootSector [2020-10-27 02:00:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWriteTrack [2020-10-27 02:00:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure FlReadWrite [2020-10-27 02:00:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFormat [2020-10-27 02:00:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2020-10-27 02:00:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FlIssueCommand [2020-10-27 02:00:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FlInitializeControllerHardware [2020-10-27 02:00:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2020-10-27 02:00:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FlHdbit [2020-10-27 02:00:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCancelQueuedRequest [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-27 02:00:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-27 02:00:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-27 02:00:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-27 02:00:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-27 02:00:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-27 02:00:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-27 02:00:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-27 02:00:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-27 02:00:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-27 02:00:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-27 02:00:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-27 02:00:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 02:00:36,355 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 02:00:36,355 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 02:00:36,355 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:36,356 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-27 02:00:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 02:00:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-27 02:00:36,359 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-27 02:00:36,359 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-27 02:00:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-27 02:00:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-27 02:00:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-27 02:00:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-27 02:00:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-27 02:00:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-27 02:00:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-27 02:00:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 02:00:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 02:00:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-27 02:00:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:00:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 02:00:36,365 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-27 02:00:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-27 02:00:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 02:00:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 02:00:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-27 02:00:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-27 02:00:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-27 02:00:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-27 02:00:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-27 02:00:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:00:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-27 02:00:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 02:00:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-27 02:00:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-27 02:00:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-27 02:00:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 02:00:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-27 02:00:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-27 02:00:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-27 02:00:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-27 02:00:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-27 02:00:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-27 02:00:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-27 02:00:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-27 02:00:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-27 02:00:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-27 02:00:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 02:00:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 02:00:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-27 02:00:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-27 02:00:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-27 02:00:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-27 02:00:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-27 02:00:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-27 02:00:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-27 02:00:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 02:00:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-27 02:00:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-27 02:00:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-27 02:00:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-27 02:00:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-27 02:00:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyUnload [2020-10-27 02:00:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure FlConfigCallBack [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlInitializeControllerHardware [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyReadWrite [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlRecalibrateDrive [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlDatarateSpecifyConfigure [2020-10-27 02:00:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure FlStartDrive [2020-10-27 02:00:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlFinishOperation [2020-10-27 02:00:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlDetermineMediaType [2020-10-27 02:00:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyThread [2020-10-27 02:00:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWrite [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlFormat [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlIssueCommand [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlInterpretError [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlAllocateIoBuffer [2020-10-27 02:00:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure FlFreeIoBuffer [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlConsolidateMediaTypeWithBootSector [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckBootSector [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlReadWriteTrack [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyAddDevice [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2020-10-27 02:00:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPower [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCancelQueuedRequest [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure FlHdbit [2020-10-27 02:00:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 02:00:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:00:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:00:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 02:00:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 02:00:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 02:00:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 02:00:38,059 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:38,235 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:38,235 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:38,236 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:38,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:38,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,497 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,520 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,521 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,521 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,538 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,538 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,544 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,612 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,622 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,623 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,623 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,636 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,636 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,637 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,649 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,649 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,725 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,826 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 02:00:49,826 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 02:00:49,965 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,983 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,984 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,986 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:49,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:49,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:49,996 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:50,024 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:50,024 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:50,046 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:50,055 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:50,055 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:50,058 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:50,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:50,067 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:02,536 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:02,575 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:01:02,575 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:01:05,191 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:12,070 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-27 02:01:12,071 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-27 02:01:13,469 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:13,480 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:13,481 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:40,629 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:43,704 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2020-10-27 02:01:43,704 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2020-10-27 02:01:43,711 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,751 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-27 02:01:51,752 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-27 02:01:51,753 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,902 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-27 02:01:51,903 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-27 02:02:09,787 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:09,802 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:02:09,802 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:11,911 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:11,924 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:02:11,924 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:14,135 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:18,205 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-27 02:02:18,206 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-27 02:02:18,409 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:27,719 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2020-10-27 02:02:27,720 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2020-10-27 02:02:27,721 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:27,798 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:02:27,798 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:02:27,799 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:33,208 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-27 02:02:33,209 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-27 02:02:33,214 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:33,241 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 02:02:33,241 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 02:02:33,331 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:33,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:02:33,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:33,404 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:33,422 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:02:33,422 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:33,423 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:34,189 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-27 02:02:34,190 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-27 02:02:34,423 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:37,158 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-27 02:02:37,158 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-27 02:02:37,265 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:02:37,265 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-27 02:02:37,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:37 BoogieIcfgContainer [2020-10-27 02:02:37,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:02:37,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:02:37,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:02:37,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:02:37,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:00:33" (1/3) ... [2020-10-27 02:02:37,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e350521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:37, skipping insertion in model container [2020-10-27 02:02:37,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:35" (2/3) ... [2020-10-27 02:02:37,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e350521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:37, skipping insertion in model container [2020-10-27 02:02:37,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:37" (3/3) ... [2020-10-27 02:02:37,282 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-1.c [2020-10-27 02:02:37,300 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:02:37,307 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 02:02:37,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 02:02:37,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:02:37,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:02:37,369 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:02:37,369 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:02:37,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:02:37,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:02:37,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:02:37,370 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:02:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states. [2020-10-27 02:02:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 02:02:37,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:02:37,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:02:37,428 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:02:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:02:37,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1642137942, now seen corresponding path program 1 times [2020-10-27 02:02:37,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:02:37,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108342366] [2020-10-27 02:02:37,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:02:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:39,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:43,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:43,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 02:02:43,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:02:43,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5233 [2020-10-27 02:02:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:02:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:02:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:02:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:02:43,795 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 02:02:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:02:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:43,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:43,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:43,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:43,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 02:02:44,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:44,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:02:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:44,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:44,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:44,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:02:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:02:44,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:02:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:02:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:02:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:02:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:02:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:44,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:44,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:44,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:02:44,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:02:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:02:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:44,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:44,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:02:44,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 02:02:44,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:02:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:44,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:02:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:44,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:44,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:44,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:44,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:02:44,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:02:44,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108342366] [2020-10-27 02:02:44,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:02:44,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:02:44,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445535763] [2020-10-27 02:02:44,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:02:44,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:02:44,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:02:44,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:02:44,658 INFO L87 Difference]: Start difference. First operand 1453 states. Second operand 9 states. [2020-10-27 02:02:45,075 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 02:02:48,507 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 02:02:49,030 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 02:04:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:11,566 INFO L93 Difference]: Finished difference Result 1395 states and 2121 transitions. [2020-10-27 02:04:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 02:04:11,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-10-27 02:04:11,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:11,591 INFO L225 Difference]: With dead ends: 1395 [2020-10-27 02:04:11,592 INFO L226 Difference]: Without dead ends: 736 [2020-10-27 02:04:11,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:04:11,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-10-27 02:04:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 646. [2020-10-27 02:04:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-27 02:04:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 903 transitions. [2020-10-27 02:04:11,785 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 903 transitions. Word has length 38 [2020-10-27 02:04:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:11,785 INFO L481 AbstractCegarLoop]: Abstraction has 646 states and 903 transitions. [2020-10-27 02:04:11,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:04:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 903 transitions. [2020-10-27 02:04:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 02:04:11,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:11,788 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] [2020-10-27 02:04:11,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:04:11,789 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:11,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:11,790 INFO L82 PathProgramCache]: Analyzing trace with hash 501141807, now seen corresponding path program 1 times [2020-10-27 02:04:11,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:11,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425402367] [2020-10-27 02:04:11,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:12,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:12,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:17,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:17,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 02:04:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:04:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-10-27 02:04:17,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:04:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:04:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:04:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:17,450 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 02:04:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:17,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:17,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:17,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:17,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:17,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:04:17,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 02:04:17,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:04:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:04:17,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:04:17,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:17,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:04:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:17,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:17,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:17,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:04:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:04:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:17,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 02:04:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:18,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:18,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:04:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:04:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:18,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:18,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:18,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:18,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:18,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 02:04:18,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:18,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:18,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:04:18,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425402367] [2020-10-27 02:04:18,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:04:18,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 02:04:18,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777551807] [2020-10-27 02:04:18,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:04:18,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:18,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:04:18,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:04:18,163 INFO L87 Difference]: Start difference. First operand 646 states and 903 transitions. Second operand 10 states. [2020-10-27 02:04:18,530 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 02:04:22,445 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205