/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_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:38:00,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:38:00,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:38:00,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:38:00,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:38:00,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:38:00,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:38:00,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:38:00,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:38:00,164 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:38:00,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:38:00,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:38:00,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:38:00,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:38:00,166 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:38:00,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:38:00,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:38:00,167 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:38:00,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:38:00,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:38:00,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:38:00,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:38:00,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:38:00,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:38:00,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:38:00,171 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:38:00,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:38:00,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:38:00,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:38:00,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:38:00,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:38:00,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:38:00,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:38:00,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:38:00,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:38:00,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:38:00,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:38:00,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:38:00,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:38:00,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:38:00,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:38:00,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:38:00,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:38:00,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:38:00,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:38:00,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:38:00,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:38:00,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:38:00,378 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:38:00,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2023-12-19 23:38:01,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:38:01,656 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:38:01,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2023-12-19 23:38:01,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272987ac/5126ca067cbf4f46b97a9738fc48dddf/FLAGb40446175 [2023-12-19 23:38:01,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272987ac/5126ca067cbf4f46b97a9738fc48dddf [2023-12-19 23:38:01,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:38:01,682 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:38:01,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:38:01,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:38:01,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:38:01,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:01,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b98753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01, skipping insertion in model container [2023-12-19 23:38:01,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:01,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:38:01,897 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_spec2_product27.cil.c[18283,18296] [2023-12-19 23:38:01,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:38:01,907 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:38:01,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [457] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [552] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [655] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [723] [2023-12-19 23:38:01,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [758] [2023-12-19 23:38:01,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945] [2023-12-19 23:38:01,951 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_spec2_product27.cil.c[18283,18296] [2023-12-19 23:38:01,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:38:01,965 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:38:01,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01 WrapperNode [2023-12-19 23:38:01,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:38:01,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:38:01,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:38:01,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:38:01,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:01,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,004 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 171 [2023-12-19 23:38:02,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:38:02,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:38:02,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:38:02,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:38:02,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,035 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]. [2023-12-19 23:38:02,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:38:02,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:38:02,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:38:02,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:38:02,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (1/1) ... [2023-12-19 23:38:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:38:02,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:38:02,067 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) [2023-12-19 23:38:02,074 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 [2023-12-19 23:38:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:38:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-19 23:38:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-19 23:38:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:38:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:38:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-19 23:38:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:38:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-19 23:38:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:38:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:38:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:38:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:38:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:38:02,159 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:38:02,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:38:02,324 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:38:02,403 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:38:02,403 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:38:02,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:38:02 BoogieIcfgContainer [2023-12-19 23:38:02,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:38:02,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:38:02,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:38:02,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:38:02,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:38:01" (1/3) ... [2023-12-19 23:38:02,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce8e11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:38:02, skipping insertion in model container [2023-12-19 23:38:02,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:38:01" (2/3) ... [2023-12-19 23:38:02,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce8e11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:38:02, skipping insertion in model container [2023-12-19 23:38:02,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:38:02" (3/3) ... [2023-12-19 23:38:02,409 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2023-12-19 23:38:02,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:38:02,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:38:02,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:38:02,459 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;@24eaa03c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:38:02,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:38:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 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) [2023-12-19 23:38:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-19 23:38:02,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:38:02,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:38:02,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:38:02,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:38:02,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1842618480, now seen corresponding path program 1 times [2023-12-19 23:38:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:38:02,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543750446] [2023-12-19 23:38:02,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:38:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:38:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:38:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:38:02,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:38:02,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543750446] [2023-12-19 23:38:02,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543750446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:38:02,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:38:02,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:38:02,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819448625] [2023-12-19 23:38:02,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:38:02,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:38:02,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:38:02,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:38:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:38:02,656 INFO L87 Difference]: Start difference. First operand has 63 states, 43 states have (on average 1.558139534883721) internal successors, (67), 50 states have internal predecessors, (67), 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 6.5) internal successors, (13), 2 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) [2023-12-19 23:38:02,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:38:02,723 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-12-19 23:38:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:38:02,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 [2023-12-19 23:38:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:38:02,730 INFO L225 Difference]: With dead ends: 124 [2023-12-19 23:38:02,730 INFO L226 Difference]: Without dead ends: 58 [2023-12-19 23:38:02,732 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 [2023-12-19 23:38:02,734 INFO L413 NwaCegarLoop]: 71 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, 71 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 [2023-12-19 23:38:02,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:38:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-19 23:38:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-12-19 23:38:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.425) internal successors, (57), 46 states have internal predecessors, (57), 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) [2023-12-19 23:38:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-12-19 23:38:02,760 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-12-19 23:38:02,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:38:02,760 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-12-19 23:38:02,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2023-12-19 23:38:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-12-19 23:38:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-19 23:38:02,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:38:02,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:38:02,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:38:02,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:38:02,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:38:02,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2001406793, now seen corresponding path program 1 times [2023-12-19 23:38:02,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:38:02,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883546234] [2023-12-19 23:38:02,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:38:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:38:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:38:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:38:02,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:38:02,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883546234] [2023-12-19 23:38:02,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883546234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:38:02,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:38:02,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:38:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66646511] [2023-12-19 23:38:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:38:02,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:38:02,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:38:02,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:38:02,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:38:02,848 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-19 23:38:02,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:38:02,907 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-12-19 23:38:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:38:02,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-12-19 23:38:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:38:02,908 INFO L225 Difference]: With dead ends: 86 [2023-12-19 23:38:02,908 INFO L226 Difference]: Without dead ends: 50 [2023-12-19 23:38:02,909 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 [2023-12-19 23:38:02,910 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 14 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 97 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 [2023-12-19 23:38:02,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 97 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:38:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-19 23:38:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-19 23:38:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.457142857142857) internal successors, (51), 41 states have internal predecessors, (51), 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) [2023-12-19 23:38:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-12-19 23:38:02,917 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-12-19 23:38:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:38:02,917 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-12-19 23:38:02,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-19 23:38:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-12-19 23:38:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-19 23:38:02,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:38:02,918 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] [2023-12-19 23:38:02,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:38:02,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:38:02,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:38:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash 235684035, now seen corresponding path program 1 times [2023-12-19 23:38:02,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:38:02,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059119168] [2023-12-19 23:38:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:38:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:38:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:38:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:38:03,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:38:03,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059119168] [2023-12-19 23:38:03,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059119168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:38:03,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:38:03,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 23:38:03,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093428957] [2023-12-19 23:38:03,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:38:03,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 23:38:03,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:38:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 23:38:03,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 23:38:03,026 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-12-19 23:38:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:38:03,138 INFO L93 Difference]: Finished difference Result 150 states and 208 transitions. [2023-12-19 23:38:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 23:38:03,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 21 [2023-12-19 23:38:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:38:03,144 INFO L225 Difference]: With dead ends: 150 [2023-12-19 23:38:03,145 INFO L226 Difference]: Without dead ends: 102 [2023-12-19 23:38:03,147 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 [2023-12-19 23:38:03,150 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 80 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 171 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 [2023-12-19 23:38:03,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 171 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:38:03,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-19 23:38:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 85. [2023-12-19 23:38:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 69 states have internal predecessors, (88), 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) [2023-12-19 23:38:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2023-12-19 23:38:03,166 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 21 [2023-12-19 23:38:03,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:38:03,166 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2023-12-19 23:38:03,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-12-19 23:38:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2023-12-19 23:38:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-19 23:38:03,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:38:03,167 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, 1] [2023-12-19 23:38:03,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:38:03,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:38:03,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:38:03,168 INFO L85 PathProgramCache]: Analyzing trace with hash -749806756, now seen corresponding path program 1 times [2023-12-19 23:38:03,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:38:03,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412171300] [2023-12-19 23:38:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:38:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:38:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-19 23:38:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:38:03,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:38:03,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412171300] [2023-12-19 23:38:03,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412171300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:38:03,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:38:03,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:38:03,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413588412] [2023-12-19 23:38:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:38:03,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:38:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:38:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:38:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:38:03,243 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-12-19 23:38:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:38:03,281 INFO L93 Difference]: Finished difference Result 168 states and 234 transitions. [2023-12-19 23:38:03,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:38:03,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-12-19 23:38:03,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:38:03,283 INFO L225 Difference]: With dead ends: 168 [2023-12-19 23:38:03,283 INFO L226 Difference]: Without dead ends: 166 [2023-12-19 23:38:03,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:38:03,284 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 43 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:38:03,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 109 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:38:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-19 23:38:03,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-12-19 23:38:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 117 states have (on average 1.4615384615384615) internal successors, (171), 134 states have internal predecessors, (171), 26 states have call successors, (26), 22 states have call predecessors, (26), 22 states have return successors, (34), 20 states have call predecessors, (34), 26 states have call successors, (34) [2023-12-19 23:38:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 231 transitions. [2023-12-19 23:38:03,300 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 231 transitions. Word has length 24 [2023-12-19 23:38:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:38:03,300 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 231 transitions. [2023-12-19 23:38:03,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-12-19 23:38:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 231 transitions. [2023-12-19 23:38:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-19 23:38:03,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:38:03,302 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:38:03,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:38:03,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:38:03,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:38:03,302 INFO L85 PathProgramCache]: Analyzing trace with hash 608826099, now seen corresponding path program 1 times [2023-12-19 23:38:03,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:38:03,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358512158] [2023-12-19 23:38:03,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:38:03,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:38:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-19 23:38:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-19 23:38:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:38:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:38:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-19 23:38:03,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:38:03,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358512158] [2023-12-19 23:38:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358512158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:38:03,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:38:03,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 23:38:03,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205811593] [2023-12-19 23:38:03,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:38:03,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:38:03,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:38:03,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:38:03,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:38:03,435 INFO L87 Difference]: Start difference. First operand 166 states and 231 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-19 23:38:03,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:38:03,522 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2023-12-19 23:38:03,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 23:38:03,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2023-12-19 23:38:03,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:38:03,525 INFO L225 Difference]: With dead ends: 236 [2023-12-19 23:38:03,525 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:38:03,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 23:38:03,530 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 40 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:38:03,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 60 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:38:03,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:38:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:38:03,532 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) [2023-12-19 23:38:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:38:03,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-12-19 23:38:03,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:38:03,532 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:38:03,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-19 23:38:03,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:38:03,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:38:03,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:38:03,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 23:38:03,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:38:03,740 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 847 854) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 847 854) the Hoare annotation is: true [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 788 794) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 788 794) the Hoare annotation is: true [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 490 501) the Hoare annotation is: true [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 490 501) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2023-12-19 23:38:03,741 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 428 456) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 812) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 817) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2023-12-19 23:38:03,742 INFO L899 garLoopResultBuilder]: For program point L920-2(lines 920 924) no Hoare annotation was computed. [2023-12-19 23:38:03,743 INFO L899 garLoopResultBuilder]: For program point L470-2(lines 466 477) no Hoare annotation was computed. [2023-12-19 23:38:03,743 INFO L899 garLoopResultBuilder]: For program point L768-1(lines 767 786) no Hoare annotation was computed. [2023-12-19 23:38:03,743 INFO L899 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2023-12-19 23:38:03,743 INFO L895 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-12-19 23:38:03,743 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2023-12-19 23:38:03,743 INFO L895 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-19 23:38:03,743 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 764 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-12-19 23:38:03,743 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-19 23:38:03,744 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point L815-1(lines 796 820) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 764 787) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2023-12-19 23:38:03,745 INFO L902 garLoopResultBuilder]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2023-12-19 23:38:03,745 INFO L902 garLoopResultBuilder]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2023-12-19 23:38:03,746 INFO L902 garLoopResultBuilder]: At program point L561(line 561) the Hoare annotation is: true [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point L561-1(line 561) no Hoare annotation was computed. [2023-12-19 23:38:03,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 555 584) the Hoare annotation is: true [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point L580(lines 555 584) no Hoare annotation was computed. [2023-12-19 23:38:03,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 502 510) the Hoare annotation is: true [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 502 510) no Hoare annotation was computed. [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point L642-2(lines 642 649) no Hoare annotation was computed. [2023-12-19 23:38:03,746 INFO L895 garLoopResultBuilder]: At program point L936(line 936) the Hoare annotation is: false [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point L668(lines 667 714) no Hoare annotation was computed. [2023-12-19 23:38:03,746 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 710) no Hoare annotation was computed. [2023-12-19 23:38:03,748 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:38:03,748 INFO L899 garLoopResultBuilder]: For program point L718(lines 657 722) no Hoare annotation was computed. [2023-12-19 23:38:03,748 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2023-12-19 23:38:03,748 INFO L899 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2023-12-19 23:38:03,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:38:03,748 INFO L895 garLoopResultBuilder]: At program point L715(lines 666 716) the Hoare annotation is: false [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 709) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L895 garLoopResultBuilder]: At program point L703-2(lines 697 710) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L895 garLoopResultBuilder]: At program point L712(lines 667 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:38:03,749 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 649) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 478 489) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 478 489) no Hoare annotation was computed. [2023-12-19 23:38:03,749 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 478 489) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~methAndRunningLastTime~0 0))) [2023-12-19 23:38:03,751 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-19 23:38:03,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:38:03,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:38:03 BoogieIcfgContainer [2023-12-19 23:38:03,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:38:03,763 INFO L158 Benchmark]: Toolchain (without parser) took 2080.95ms. Allocated memory is still 283.1MB. Free memory was 236.1MB in the beginning and 150.4MB in the end (delta: 85.8MB). Peak memory consumption was 87.3MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 235.9MB. Free memory was 182.6MB in the beginning and 182.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.85ms. Allocated memory is still 283.1MB. Free memory was 235.6MB in the beginning and 216.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.88ms. Allocated memory is still 283.1MB. Free memory was 216.2MB in the beginning and 214.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 283.1MB. Free memory was 214.1MB in the beginning and 211.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: RCFGBuilder took 360.27ms. Allocated memory is still 283.1MB. Free memory was 211.5MB in the beginning and 191.0MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,764 INFO L158 Benchmark]: TraceAbstraction took 1357.76ms. Allocated memory is still 283.1MB. Free memory was 190.0MB in the beginning and 150.4MB in the end (delta: 39.6MB). Peak memory consumption was 41.2MB. Max. memory is 8.0GB. [2023-12-19 23:38:03,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 235.9MB. Free memory was 182.6MB in the beginning and 182.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.85ms. Allocated memory is still 283.1MB. Free memory was 235.6MB in the beginning and 216.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.88ms. Allocated memory is still 283.1MB. Free memory was 216.2MB in the beginning and 214.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 283.1MB. Free memory was 214.1MB in the beginning and 211.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.27ms. Allocated memory is still 283.1MB. Free memory was 211.5MB in the beginning and 191.0MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1357.76ms. Allocated memory is still 283.1MB. Free memory was 190.0MB in the beginning and 150.4MB in the end (delta: 39.6MB). Peak memory consumption was 41.2MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] - GenericResultAtLocation [Line: 457]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [457] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [552] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [655] - GenericResultAtLocation [Line: 723]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [723] - GenericResultAtLocation [Line: 758]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [758] - GenericResultAtLocation [Line: 945]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945] * 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: 950]: 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, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 508 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 272 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 5 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 121 PreInvPairs, 134 NumberOfFragments, 141 HoareAnnotationTreeSize, 121 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FormulaSimplificationsInter, 409 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 18/18 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: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-12-19 23:38:03,801 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...