/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:43:27,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:43:27,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:43:27,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:43:27,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:43:27,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:43:27,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:43:27,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:43:27,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:43:27,133 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:43:27,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:43:27,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:43:27,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:43:27,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:43:27,136 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:43:27,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:43:27,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:43:27,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:43:27,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:43:27,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:43:27,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:43:27,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:43:27,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:43:27,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:43:27,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:43:27,138 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:43:27,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:43:27,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:43:27,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:43:27,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:43:27,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:43:27,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:43:27,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:43:27,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:43:27,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:43:27,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:43:27,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:43:27,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:43:27,142 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:43:27,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:43:27,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:43:27,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:43:27,408 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:43:27,409 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:43:27,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2023-12-16 05:43:28,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:43:28,920 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:43:28,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2023-12-16 05:43:28,941 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7cdc236/be99a37628a5448682105bde5445fe89/FLAGe129dfe2b [2023-12-16 05:43:28,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7cdc236/be99a37628a5448682105bde5445fe89 [2023-12-16 05:43:28,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:43:28,962 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:43:28,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:43:28,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:43:28,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:43:28,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:43:28" (1/1) ... [2023-12-16 05:43:28,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b719923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:28, skipping insertion in model container [2023-12-16 05:43:28,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:43:28" (1/1) ... [2023-12-16 05:43:29,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:43:29,215 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2023-12-16 05:43:29,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:43:29,343 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:43:29,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2023-12-16 05:43:29,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2023-12-16 05:43:29,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-12-16 05:43:29,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2023-12-16 05:43:29,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2023-12-16 05:43:29,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2023-12-16 05:43:29,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-12-16 05:43:29,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2023-12-16 05:43:29,359 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2023-12-16 05:43:29,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:43:29,423 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:43:29,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29 WrapperNode [2023-12-16 05:43:29,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:43:29,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:43:29,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:43:29,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:43:29,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,486 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 163 [2023-12-16 05:43:29,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:43:29,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:43:29,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:43:29,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:43:29,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 05:43:29,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:43:29,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:43:29,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:43:29,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:43:29,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (1/1) ... [2023-12-16 05:43:29,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:43:29,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:43:29,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:43:29,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:43:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:43:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 05:43:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 05:43:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 05:43:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 05:43:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 05:43:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 05:43:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 05:43:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 05:43:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 05:43:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 05:43:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 05:43:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 05:43:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:43:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 05:43:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 05:43:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:43:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:43:29,722 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:43:29,726 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:43:29,911 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:43:29,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:43:29,960 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 05:43:29,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:43:29 BoogieIcfgContainer [2023-12-16 05:43:29,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:43:29,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:43:29,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:43:29,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:43:29,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:43:28" (1/3) ... [2023-12-16 05:43:29,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39262f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:43:29, skipping insertion in model container [2023-12-16 05:43:29,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:43:29" (2/3) ... [2023-12-16 05:43:29,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39262f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:43:29, skipping insertion in model container [2023-12-16 05:43:29,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:43:29" (3/3) ... [2023-12-16 05:43:29,968 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2023-12-16 05:43:29,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:43:29,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:43:30,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:43:30,034 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d52f315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:43:30,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:43:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 05:43:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-16 05:43:30,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:30,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:30,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:30,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1855573476, now seen corresponding path program 1 times [2023-12-16 05:43:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:30,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175612310] [2023-12-16 05:43:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:43:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:43:30,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175612310] [2023-12-16 05:43:30,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175612310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:30,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 05:43:30,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926502289] [2023-12-16 05:43:30,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:30,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:43:30,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:43:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:43:30,283 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:30,338 INFO L93 Difference]: Finished difference Result 122 states and 175 transitions. [2023-12-16 05:43:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:43:30,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-12-16 05:43:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:30,351 INFO L225 Difference]: With dead ends: 122 [2023-12-16 05:43:30,351 INFO L226 Difference]: Without dead ends: 57 [2023-12-16 05:43:30,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:43:30,358 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:30,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:43:30,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-16 05:43:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-16 05:43:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 05:43:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2023-12-16 05:43:30,394 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 16 [2023-12-16 05:43:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:30,394 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2023-12-16 05:43:30,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-12-16 05:43:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 05:43:30,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:30,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:30,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 05:43:30,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:30,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -638616569, now seen corresponding path program 1 times [2023-12-16 05:43:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:30,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581171461] [2023-12-16 05:43:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:30,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-16 05:43:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:43:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581171461] [2023-12-16 05:43:30,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581171461] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:30,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:30,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:43:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592107554] [2023-12-16 05:43:30,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:30,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:43:30,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:30,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:43:30,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:43:30,501 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:30,560 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2023-12-16 05:43:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:43:30,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-16 05:43:30,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:30,565 INFO L225 Difference]: With dead ends: 84 [2023-12-16 05:43:30,565 INFO L226 Difference]: Without dead ends: 49 [2023-12-16 05:43:30,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:43:30,567 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:30,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:43:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-16 05:43:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-16 05:43:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 05:43:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2023-12-16 05:43:30,575 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 17 [2023-12-16 05:43:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:30,575 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2023-12-16 05:43:30,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-12-16 05:43:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-16 05:43:30,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:30,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:30,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 05:43:30,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:30,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash 384363668, now seen corresponding path program 1 times [2023-12-16 05:43:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:30,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118990608] [2023-12-16 05:43:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:30,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 05:43:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:43:30,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:30,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118990608] [2023-12-16 05:43:30,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118990608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:30,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:30,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:43:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96387868] [2023-12-16 05:43:30,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:43:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:43:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:43:30,730 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:30,895 INFO L93 Difference]: Finished difference Result 147 states and 202 transitions. [2023-12-16 05:43:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:43:30,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-12-16 05:43:30,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:30,901 INFO L225 Difference]: With dead ends: 147 [2023-12-16 05:43:30,901 INFO L226 Difference]: Without dead ends: 100 [2023-12-16 05:43:30,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:43:30,907 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 78 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:30,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 161 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:43:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-16 05:43:30,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2023-12-16 05:43:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 67 states have internal predecessors, (84), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2023-12-16 05:43:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 111 transitions. [2023-12-16 05:43:30,932 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 111 transitions. Word has length 20 [2023-12-16 05:43:30,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:30,932 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 111 transitions. [2023-12-16 05:43:30,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2023-12-16 05:43:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 05:43:30,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:30,936 INFO L195 NwaCegarLoop]: 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] [2023-12-16 05:43:30,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 05:43:30,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:30,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1303270742, now seen corresponding path program 1 times [2023-12-16 05:43:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:30,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877104158] [2023-12-16 05:43:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-16 05:43:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:43:31,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:31,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877104158] [2023-12-16 05:43:31,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877104158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:31,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:31,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:43:31,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281238929] [2023-12-16 05:43:31,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:31,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:43:31,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:31,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:43:31,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:43:31,079 INFO L87 Difference]: Start difference. First operand 83 states and 111 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:31,121 INFO L93 Difference]: Finished difference Result 149 states and 203 transitions. [2023-12-16 05:43:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:43:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-12-16 05:43:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:31,122 INFO L225 Difference]: With dead ends: 149 [2023-12-16 05:43:31,122 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 05:43:31,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:43:31,124 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 28 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:31,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 67 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:43:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 05:43:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 05:43:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:43:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 05:43:31,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-16 05:43:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:31,126 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 05:43:31,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:43:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 05:43:31,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 05:43:31,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:43:31,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 05:43:31,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 05:43:31,294 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2023-12-16 05:43:31,294 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 764) the Hoare annotation is: true [2023-12-16 05:43:31,294 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2023-12-16 05:43:31,295 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2023-12-16 05:43:31,295 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2023-12-16 05:43:31,295 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-12-16 05:43:31,295 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-12-16 05:43:31,295 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2023-12-16 05:43:31,296 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-16 05:43:31,296 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-12-16 05:43:31,297 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-16 05:43:31,297 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-12-16 05:43:31,298 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 53 77) no Hoare annotation was computed. [2023-12-16 05:43:31,298 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-12-16 05:43:31,298 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2023-12-16 05:43:31,298 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2023-12-16 05:43:31,298 INFO L899 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2023-12-16 05:43:31,299 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-12-16 05:43:31,299 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-16 05:43:31,299 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-12-16 05:43:31,299 INFO L899 garLoopResultBuilder]: For program point L100-2(lines 96 107) no Hoare annotation was computed. [2023-12-16 05:43:31,299 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2023-12-16 05:43:31,300 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2023-12-16 05:43:31,300 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-16 05:43:31,300 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-12-16 05:43:31,300 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2023-12-16 05:43:31,300 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2023-12-16 05:43:31,301 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2023-12-16 05:43:31,301 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 589 618) no Hoare annotation was computed. [2023-12-16 05:43:31,301 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2023-12-16 05:43:31,301 INFO L902 garLoopResultBuilder]: At program point L603-1(lines 603 607) the Hoare annotation is: true [2023-12-16 05:43:31,302 INFO L902 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: true [2023-12-16 05:43:31,302 INFO L902 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: true [2023-12-16 05:43:31,302 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-12-16 05:43:31,307 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 618) the Hoare annotation is: true [2023-12-16 05:43:31,307 INFO L899 garLoopResultBuilder]: For program point L614(lines 589 618) no Hoare annotation was computed. [2023-12-16 05:43:31,307 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-12-16 05:43:31,308 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 140) the Hoare annotation is: true [2023-12-16 05:43:31,308 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2023-12-16 05:43:31,308 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 892) no Hoare annotation was computed. [2023-12-16 05:43:31,308 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 886 892) no Hoare annotation was computed. [2023-12-16 05:43:31,309 INFO L895 garLoopResultBuilder]: At program point L911(lines 866 913) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-16 05:43:31,309 INFO L895 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-16 05:43:31,309 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 679) no Hoare annotation was computed. [2023-12-16 05:43:31,310 INFO L899 garLoopResultBuilder]: For program point L672-2(lines 672 679) no Hoare annotation was computed. [2023-12-16 05:43:31,310 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: false [2023-12-16 05:43:31,311 INFO L899 garLoopResultBuilder]: For program point L867(lines 866 913) no Hoare annotation was computed. [2023-12-16 05:43:31,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 05:43:31,314 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 909) no Hoare annotation was computed. [2023-12-16 05:43:31,317 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-16 05:43:31,317 INFO L899 garLoopResultBuilder]: For program point L917(lines 856 921) no Hoare annotation was computed. [2023-12-16 05:43:31,317 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2023-12-16 05:43:31,317 INFO L899 garLoopResultBuilder]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2023-12-16 05:43:31,317 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 05:43:31,317 INFO L895 garLoopResultBuilder]: At program point L914(lines 865 915) the Hoare annotation is: false [2023-12-16 05:43:31,317 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2023-12-16 05:43:31,318 INFO L899 garLoopResultBuilder]: For program point L844-1(lines 844 850) no Hoare annotation was computed. [2023-12-16 05:43:31,318 INFO L899 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2023-12-16 05:43:31,318 INFO L895 garLoopResultBuilder]: At program point L902-2(lines 896 909) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-16 05:43:31,318 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2023-12-16 05:43:31,318 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-12-16 05:43:31,318 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: true [2023-12-16 05:43:31,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 05:43:31,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:43:31,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:43:31 BoogieIcfgContainer [2023-12-16 05:43:31,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:43:31,336 INFO L158 Benchmark]: Toolchain (without parser) took 2373.97ms. Allocated memory was 203.4MB in the beginning and 273.7MB in the end (delta: 70.3MB). Free memory was 148.2MB in the beginning and 236.9MB in the end (delta: -88.7MB). Peak memory consumption was 64.5MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,336 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:43:31,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.84ms. Allocated memory is still 203.4MB. Free memory was 147.9MB in the beginning and 128.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.60ms. Allocated memory is still 203.4MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,339 INFO L158 Benchmark]: Boogie Preprocessor took 53.16ms. Allocated memory is still 203.4MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,339 INFO L158 Benchmark]: RCFGBuilder took 418.86ms. Allocated memory was 203.4MB in the beginning and 273.7MB in the end (delta: 70.3MB). Free memory was 124.1MB in the beginning and 228.5MB in the end (delta: -104.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,339 INFO L158 Benchmark]: TraceAbstraction took 1373.15ms. Allocated memory is still 273.7MB. Free memory was 228.0MB in the beginning and 236.9MB in the end (delta: -8.9MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2023-12-16 05:43:31,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.84ms. Allocated memory is still 203.4MB. Free memory was 147.9MB in the beginning and 128.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.60ms. Allocated memory is still 203.4MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.16ms. Allocated memory is still 203.4MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 418.86ms. Allocated memory was 203.4MB in the beginning and 273.7MB in the end (delta: 70.3MB). Free memory was 124.1MB in the beginning and 228.5MB in the end (delta: -104.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1373.15ms. Allocated memory is still 273.7MB. Free memory was 228.0MB in the beginning and 236.9MB in the end (delta: -8.9MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 83]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 217 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 100 PreInvPairs, 113 NumberOfFragments, 76 HoareAnnotationTreeSize, 100 FormulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FormulaSimplificationsInter, 229 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-16 05:43:31,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...