/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:22,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:22,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:57:22,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:22,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:22,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:22,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:22,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:22,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:22,312 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:22,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:22,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:22,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:22,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:22,315 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:22,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:22,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:22,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:22,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:22,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:22,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:22,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:22,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:22,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:22,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:22,317 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:22,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:22,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:22,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:22,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:22,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:22,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:22,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:22,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:22,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:22,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:22,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:22,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:22,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:22,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:22,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:22,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:22,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:22,513 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:22,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2023-12-15 22:57:23,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:23,728 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:23,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2023-12-15 22:57:23,739 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8006194a1/20d9f44b35d746de94e818b87bbe0fa5/FLAGb959d2f14 [2023-12-15 22:57:23,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8006194a1/20d9f44b35d746de94e818b87bbe0fa5 [2023-12-15 22:57:23,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:23,752 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:23,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:23,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:23,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:23,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:23" (1/1) ... [2023-12-15 22:57:23,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef6fe8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:23, skipping insertion in model container [2023-12-15 22:57:23,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:23" (1/1) ... [2023-12-15 22:57:23,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:23,970 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_spec5_product28.cil.c[15131,15144] [2023-12-15 22:57:24,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:24,011 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:24,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-15 22:57:24,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] [2023-12-15 22:57:24,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] [2023-12-15 22:57:24,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] [2023-12-15 22:57:24,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2023-12-15 22:57:24,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] [2023-12-15 22:57:24,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2023-12-15 22:57:24,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] [2023-12-15 22:57:24,074 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_spec5_product28.cil.c[15131,15144] [2023-12-15 22:57:24,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:24,099 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:24,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24 WrapperNode [2023-12-15 22:57:24,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:24,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:24,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:24,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:24,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,134 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 177 [2023-12-15 22:57:24,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:24,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:24,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:24,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:24,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,177 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]. [2023-12-15 22:57:24,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:24,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:24,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:24,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:24,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (1/1) ... [2023-12-15 22:57:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:24,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:24,226 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) [2023-12-15 22:57:24,262 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 [2023-12-15 22:57:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:57:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:57:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:24,353 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:24,357 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:24,565 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:24,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:24,609 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:24,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:24 BoogieIcfgContainer [2023-12-15 22:57:24,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:24,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:24,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:24,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:24,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:23" (1/3) ... [2023-12-15 22:57:24,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac6a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:24, skipping insertion in model container [2023-12-15 22:57:24,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:24" (2/3) ... [2023-12-15 22:57:24,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac6a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:24, skipping insertion in model container [2023-12-15 22:57:24,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:24" (3/3) ... [2023-12-15 22:57:24,620 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2023-12-15 22:57:24,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:24,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:24,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:24,681 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;@11a1aa74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:24,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 52 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 22:57:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:24,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:24,697 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:24,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:24,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1499675859, now seen corresponding path program 1 times [2023-12-15 22:57:24,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:24,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163218888] [2023-12-15 22:57:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:24,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:24,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163218888] [2023-12-15 22:57:24,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163218888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:24,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:24,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948739123] [2023-12-15 22:57:24,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:24,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:24,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:24,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:24,962 INFO L87 Difference]: Start difference. First operand has 66 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 52 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:25,015 INFO L93 Difference]: Finished difference Result 130 states and 187 transitions. [2023-12-15 22:57:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:25,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-15 22:57:25,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:25,024 INFO L225 Difference]: With dead ends: 130 [2023-12-15 22:57:25,024 INFO L226 Difference]: Without dead ends: 61 [2023-12-15 22:57:25,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:25,030 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:25,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-15 22:57:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-15 22:57:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 48 states have internal predecessors, (59), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 22:57:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 82 transitions. [2023-12-15 22:57:25,073 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 82 transitions. Word has length 22 [2023-12-15 22:57:25,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:25,073 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 82 transitions. [2023-12-15 22:57:25,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-12-15 22:57:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:25,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:25,077 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:25,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:25,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:25,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1173959567, now seen corresponding path program 1 times [2023-12-15 22:57:25,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:25,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640744088] [2023-12-15 22:57:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:25,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:25,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:25,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640744088] [2023-12-15 22:57:25,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640744088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:25,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:25,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:25,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247537170] [2023-12-15 22:57:25,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:25,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:25,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:25,168 INFO L87 Difference]: Start difference. First operand 61 states and 82 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:25,198 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2023-12-15 22:57:25,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:25,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-15 22:57:25,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:25,199 INFO L225 Difference]: With dead ends: 92 [2023-12-15 22:57:25,199 INFO L226 Difference]: Without dead ends: 53 [2023-12-15 22:57:25,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:25,201 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:25,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 102 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-15 22:57:25,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-12-15 22:57:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-15 22:57:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2023-12-15 22:57:25,206 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 23 [2023-12-15 22:57:25,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:25,207 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2023-12-15 22:57:25,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-12-15 22:57:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:25,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:25,208 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:25,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:25,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:25,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:25,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1510206907, now seen corresponding path program 1 times [2023-12-15 22:57:25,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:25,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100524424] [2023-12-15 22:57:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:25,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:25,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:25,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100524424] [2023-12-15 22:57:25,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100524424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:25,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:25,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:25,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221336785] [2023-12-15 22:57:25,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:25,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:25,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:25,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:25,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:25,280 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:25,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:25,326 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2023-12-15 22:57:25,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:25,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-15 22:57:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:25,328 INFO L225 Difference]: With dead ends: 155 [2023-12-15 22:57:25,328 INFO L226 Difference]: Without dead ends: 104 [2023-12-15 22:57:25,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:25,332 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 62 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:25,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 127 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-15 22:57:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-12-15 22:57:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 81 states have internal predecessors, (101), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 22:57:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2023-12-15 22:57:25,345 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 26 [2023-12-15 22:57:25,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:25,345 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2023-12-15 22:57:25,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2023-12-15 22:57:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:25,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:25,346 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-12-15 22:57:25,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:25,347 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:25,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:25,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1263595562, now seen corresponding path program 1 times [2023-12-15 22:57:25,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:25,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433962063] [2023-12-15 22:57:25,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:25,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:25,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433962063] [2023-12-15 22:57:25,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433962063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:25,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:25,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:25,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905253281] [2023-12-15 22:57:25,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:25,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:25,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:25,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:25,459 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:25,560 INFO L93 Difference]: Finished difference Result 178 states and 241 transitions. [2023-12-15 22:57:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 22:57:25,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-15 22:57:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:25,561 INFO L225 Difference]: With dead ends: 178 [2023-12-15 22:57:25,561 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:57:25,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:25,563 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 29 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:25,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 127 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:25,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:57:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:57:25,564 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) [2023-12-15 22:57:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:57:25,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-12-15 22:57:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:25,564 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:57:25,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:57:25,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:57:25,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:57:25,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:25,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:57:25,681 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2023-12-15 22:57:25,681 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 803 810) the Hoare annotation is: true [2023-12-15 22:57:25,682 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 744 750) no Hoare annotation was computed. [2023-12-15 22:57:25,682 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 744 750) the Hoare annotation is: true [2023-12-15 22:57:25,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-12-15 22:57:25,682 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-12-15 22:57:25,682 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-12-15 22:57:25,682 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:57:25,682 INFO L895 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:57:25,683 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 186) no Hoare annotation was computed. [2023-12-15 22:57:25,683 INFO L895 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:25,684 INFO L899 garLoopResultBuilder]: For program point L771-1(lines 752 776) no Hoare annotation was computed. [2023-12-15 22:57:25,684 INFO L899 garLoopResultBuilder]: For program point L705(line 705) no Hoare annotation was computed. [2023-12-15 22:57:25,684 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:25,685 INFO L899 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2023-12-15 22:57:25,685 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2023-12-15 22:57:25,685 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 768) no Hoare annotation was computed. [2023-12-15 22:57:25,685 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 773) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 880) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 717 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:25,686 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L162-1(line 162) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 730) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 189) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L724-2(lines 720 742) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 192) no Hoare annotation was computed. [2023-12-15 22:57:25,686 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 167 195) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 717 743) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 705) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point L224(lines 199 228) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 199 228) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2023-12-15 22:57:25,687 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2023-12-15 22:57:25,692 INFO L902 garLoopResultBuilder]: At program point L213-1(lines 213 217) the Hoare annotation is: true [2023-12-15 22:57:25,692 INFO L902 garLoopResultBuilder]: At program point L209-2(lines 209 223) the Hoare annotation is: true [2023-12-15 22:57:25,692 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2023-12-15 22:57:25,694 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2023-12-15 22:57:25,695 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 199 228) the Hoare annotation is: true [2023-12-15 22:57:25,697 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-12-15 22:57:25,697 INFO L899 garLoopResultBuilder]: For program point L890-1(lines 890 896) no Hoare annotation was computed. [2023-12-15 22:57:25,697 INFO L899 garLoopResultBuilder]: For program point L973(lines 910 977) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L970(lines 919 971) the Hoare annotation is: false [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 964) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: false [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L958-2(lines 950 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point L921(lines 920 969) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 965) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:25,698 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:57:25,698 INFO L895 garLoopResultBuilder]: At program point L967(lines 920 969) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 936) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 293) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-12-15 22:57:25,699 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2023-12-15 22:57:25,699 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 822 830) the Hoare annotation is: true [2023-12-15 22:57:25,701 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 22:57:25,702 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:57:25,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:25 BoogieIcfgContainer [2023-12-15 22:57:25,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:57:25,710 INFO L158 Benchmark]: Toolchain (without parser) took 1958.48ms. Allocated memory is still 294.6MB. Free memory was 239.9MB in the beginning and 219.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. [2023-12-15 22:57:25,710 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:25,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.63ms. Allocated memory is still 294.6MB. Free memory was 239.9MB in the beginning and 219.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:25,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.39ms. Allocated memory is still 294.6MB. Free memory was 219.9MB in the beginning and 217.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:25,713 INFO L158 Benchmark]: Boogie Preprocessor took 50.70ms. Allocated memory is still 294.6MB. Free memory was 217.8MB in the beginning and 215.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:25,713 INFO L158 Benchmark]: RCFGBuilder took 423.28ms. Allocated memory is still 294.6MB. Free memory was 215.8MB in the beginning and 194.3MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-15 22:57:25,713 INFO L158 Benchmark]: TraceAbstraction took 1098.75ms. Allocated memory is still 294.6MB. Free memory was 193.2MB in the beginning and 219.3MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:25,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.63ms. Allocated memory is still 294.6MB. Free memory was 239.9MB in the beginning and 219.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.39ms. Allocated memory is still 294.6MB. Free memory was 219.9MB in the beginning and 217.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.70ms. Allocated memory is still 294.6MB. Free memory was 217.8MB in the beginning and 215.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 423.28ms. Allocated memory is still 294.6MB. Free memory was 215.8MB in the beginning and 194.3MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1098.75ms. Allocated memory is still 294.6MB. Free memory was 193.2MB in the beginning and 219.3MB in the end (delta: -26.1MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 909]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] * 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: 705]: 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 429 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 237 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 121 PreInvPairs, 133 NumberOfFragments, 79 HoareAnnotationTreeSize, 121 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FormulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:57:25,737 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...