/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:37:53,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:37:53,538 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 23:37:53,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:37:53,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:37:53,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:37:53,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:37:53,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:37:53,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:37:53,568 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:37:53,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:37:53,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:37:53,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:37:53,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:37:53,569 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:37:53,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:37:53,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:37:53,570 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:37:53,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:37:53,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:37:53,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:37:53,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:37:53,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:37:53,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:37:53,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:37:53,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:37:53,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:37:53,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:37:53,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:37:53,587 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:37:53,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:37:53,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:37:53,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:37:53,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:37:53,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:37:53,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:37:53,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:37:53,784 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:37:53,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2023-12-19 23:37:54,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:37:55,193 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:37:55,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2023-12-19 23:37:55,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02a6eaa8/46a691b8f5544fd29ebc113a9366c254/FLAG8e19fc325 [2023-12-19 23:37:55,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02a6eaa8/46a691b8f5544fd29ebc113a9366c254 [2023-12-19 23:37:55,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:37:55,226 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:37:55,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:37:55,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:37:55,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:37:55,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b7e453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55, skipping insertion in model container [2023-12-19 23:37:55,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:37:55,479 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_product20.cil.c[15113,15126] [2023-12-19 23:37:55,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:37:55,500 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:37:55,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-12-19 23:37:55,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [91] [2023-12-19 23:37:55,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [129] [2023-12-19 23:37:55,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [224] [2023-12-19 23:37:55,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [324] [2023-12-19 23:37:55,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [690] [2023-12-19 23:37:55,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] [2023-12-19 23:37:55,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [770] [2023-12-19 23:37:55,570 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_product20.cil.c[15113,15126] [2023-12-19 23:37:55,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:37:55,587 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:37:55,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55 WrapperNode [2023-12-19 23:37:55,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:37:55,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:37:55,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:37:55,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:37:55,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,645 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 174 [2023-12-19 23:37:55,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:37:55,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:37:55,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:37:55,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:37:55,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,674 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 23:37:55,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:37:55,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:37:55,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:37:55,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:37:55,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (1/1) ... [2023-12-19 23:37:55,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:37:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:37:55,763 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 23:37:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:37:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-19 23:37:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-19 23:37:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:37:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:37:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:37:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:37:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:37:55,793 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 23:37:55,873 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:37:55,875 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:37:56,021 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:37:56,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:37:56,061 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:37:56,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:37:56 BoogieIcfgContainer [2023-12-19 23:37:56,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:37:56,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:37:56,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:37:56,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:37:56,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:37:55" (1/3) ... [2023-12-19 23:37:56,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d714b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:37:56, skipping insertion in model container [2023-12-19 23:37:56,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:37:55" (2/3) ... [2023-12-19 23:37:56,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d714b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:37:56, skipping insertion in model container [2023-12-19 23:37:56,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:37:56" (3/3) ... [2023-12-19 23:37:56,070 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2023-12-19 23:37:56,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:37:56,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:37:56,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:37:56,138 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;@f9b6d7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:37:56,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:37:56,142 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 23:37:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-19 23:37:56,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:56,152 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 23:37:56,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:56,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 955734888, now seen corresponding path program 1 times [2023-12-19 23:37:56,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:56,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055745440] [2023-12-19 23:37:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:56,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-19 23:37:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,294 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 23:37:56,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:56,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055745440] [2023-12-19 23:37:56,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055745440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:56,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:56,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:37:56,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716661831] [2023-12-19 23:37:56,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:56,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:37:56,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:56,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:37:56,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:37:56,321 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 23:37:56,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:56,372 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-12-19 23:37:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:37:56,374 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 23:37:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:56,379 INFO L225 Difference]: With dead ends: 124 [2023-12-19 23:37:56,379 INFO L226 Difference]: Without dead ends: 58 [2023-12-19 23:37:56,382 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 23:37:56,384 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:56,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:37:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-19 23:37:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-12-19 23:37:56,413 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 23:37:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-12-19 23:37:56,415 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-12-19 23:37:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:56,415 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-12-19 23:37:56,415 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 23:37:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-12-19 23:37:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-19 23:37:56,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:56,417 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 23:37:56,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:37:56,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:56,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash -954821663, now seen corresponding path program 1 times [2023-12-19 23:37:56,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:56,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149471058] [2023-12-19 23:37:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:37:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,512 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 23:37:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149471058] [2023-12-19 23:37:56,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149471058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:56,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:56,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:37:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706431133] [2023-12-19 23:37:56,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:56,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:37:56,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:37:56,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:37:56,514 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 23:37:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:56,551 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-12-19 23:37:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:37:56,553 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 23:37:56,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:56,554 INFO L225 Difference]: With dead ends: 86 [2023-12-19 23:37:56,554 INFO L226 Difference]: Without dead ends: 50 [2023-12-19 23:37:56,555 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 23:37:56,555 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 14 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:56,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:37:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-19 23:37:56,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-19 23:37:56,560 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 23:37:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-12-19 23:37:56,561 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-12-19 23:37:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:56,561 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-12-19 23:37:56,561 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 23:37:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-12-19 23:37:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-19 23:37:56,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:56,562 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 23:37:56,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:37:56,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:56,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1306722587, now seen corresponding path program 1 times [2023-12-19 23:37:56,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:56,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127079403] [2023-12-19 23:37:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:37:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,645 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 23:37:56,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:56,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127079403] [2023-12-19 23:37:56,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127079403] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:56,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:56,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 23:37:56,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500338305] [2023-12-19 23:37:56,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:56,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 23:37:56,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:56,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 23:37:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 23:37:56,647 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 23:37:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:56,737 INFO L93 Difference]: Finished difference Result 136 states and 184 transitions. [2023-12-19 23:37:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:37:56,738 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 23:37:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:56,739 INFO L225 Difference]: With dead ends: 136 [2023-12-19 23:37:56,739 INFO L226 Difference]: Without dead ends: 88 [2023-12-19 23:37:56,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 23:37:56,741 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 90 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:56,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 152 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:37:56,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-19 23:37:56,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2023-12-19 23:37:56,751 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 23:37:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2023-12-19 23:37:56,752 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 21 [2023-12-19 23:37:56,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:56,752 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2023-12-19 23:37:56,752 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 23:37:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2023-12-19 23:37:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-19 23:37:56,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:56,753 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 23:37:56,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:37:56,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:56,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:56,754 INFO L85 PathProgramCache]: Analyzing trace with hash 295054009, now seen corresponding path program 1 times [2023-12-19 23:37:56,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:56,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482474952] [2023-12-19 23:37:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-19 23:37:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:56,819 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 23:37:56,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:56,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482474952] [2023-12-19 23:37:56,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482474952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:56,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:56,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:37:56,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771966149] [2023-12-19 23:37:56,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:56,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:37:56,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:56,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:37:56,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:37:56,820 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 23:37:56,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:56,865 INFO L93 Difference]: Finished difference Result 168 states and 234 transitions. [2023-12-19 23:37:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:37:56,866 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 23:37:56,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:56,868 INFO L225 Difference]: With dead ends: 168 [2023-12-19 23:37:56,868 INFO L226 Difference]: Without dead ends: 166 [2023-12-19 23:37:56,868 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 23:37:56,869 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 43 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:56,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 107 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:37:56,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-19 23:37:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-12-19 23:37:56,904 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 23:37:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 231 transitions. [2023-12-19 23:37:56,905 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 231 transitions. Word has length 24 [2023-12-19 23:37:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:56,906 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 231 transitions. [2023-12-19 23:37:56,906 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 23:37:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 231 transitions. [2023-12-19 23:37:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-19 23:37:56,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:37:56,908 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-12-19 23:37:56,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:37:56,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:37:56,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:37:56,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1735171345, now seen corresponding path program 1 times [2023-12-19 23:37:56,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:37:56,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985018855] [2023-12-19 23:37:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:37:56,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:37:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-19 23:37:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-19 23:37:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-19 23:37:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:37:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-19 23:37:57,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:37:57,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985018855] [2023-12-19 23:37:57,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985018855] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:37:57,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:37:57,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 23:37:57,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196031415] [2023-12-19 23:37:57,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:37:57,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:37:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:37:57,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:37:57,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:37:57,084 INFO L87 Difference]: Start difference. First operand 166 states and 231 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 23:37:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:37:57,171 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2023-12-19 23:37:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 23:37:57,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 45 [2023-12-19 23:37:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:37:57,173 INFO L225 Difference]: With dead ends: 236 [2023-12-19 23:37:57,174 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:37:57,177 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 23:37:57,181 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 41 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:37:57,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 53 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:37:57,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:37:57,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:37:57,182 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 23:37:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:37:57,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-12-19 23:37:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:37:57,183 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:37:57,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 23:37:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:37:57,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:37:57,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:37:57,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 23:37:57,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:37:57,403 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2023-12-19 23:37:57,404 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 841 848) the Hoare annotation is: true [2023-12-19 23:37:57,404 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2023-12-19 23:37:57,404 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2023-12-19 23:37:57,404 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 173) the Hoare annotation is: true [2023-12-19 23:37:57,404 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2023-12-19 23:37:57,404 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2023-12-19 23:37:57,404 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2023-12-19 23:37:57,404 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2023-12-19 23:37:57,405 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 829) no Hoare annotation was computed. [2023-12-19 23:37:57,405 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2023-12-19 23:37:57,405 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-12-19 23:37:57,405 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-12-19 23:37:57,405 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-12-19 23:37:57,406 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-19 23:37:57,406 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-19 23:37:57,406 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-19 23:37:57,407 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 799) 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 23:37:57,407 INFO L895 garLoopResultBuilder]: At program point L827(line 827) 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 23:37:57,407 INFO L899 garLoopResultBuilder]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2023-12-19 23:37:57,407 INFO L899 garLoopResultBuilder]: For program point L695(line 695) no Hoare annotation was computed. [2023-12-19 23:37:57,407 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2023-12-19 23:37:57,407 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2023-12-19 23:37:57,407 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-12-19 23:37:57,408 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 138 149) no Hoare annotation was computed. [2023-12-19 23:37:57,408 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2023-12-19 23:37:57,408 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2023-12-19 23:37:57,409 INFO L895 garLoopResultBuilder]: At program point L68(line 68) 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 23:37:57,409 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-12-19 23:37:57,409 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2023-12-19 23:37:57,409 INFO L899 garLoopResultBuilder]: For program point L252(lines 227 256) no Hoare annotation was computed. [2023-12-19 23:37:57,409 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2023-12-19 23:37:57,410 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2023-12-19 23:37:57,410 INFO L902 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2023-12-19 23:37:57,410 INFO L902 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2023-12-19 23:37:57,410 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 227 256) the Hoare annotation is: true [2023-12-19 23:37:57,410 INFO L902 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2023-12-19 23:37:57,412 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2023-12-19 23:37:57,412 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 182) the Hoare annotation is: true [2023-12-19 23:37:57,412 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2023-12-19 23:37:57,412 INFO L895 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2023-12-19 23:37:57,413 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2023-12-19 23:37:57,413 INFO L895 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-12-19 23:37:57,413 INFO L899 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2023-12-19 23:37:57,414 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 757) no Hoare annotation was computed. [2023-12-19 23:37:57,414 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2023-12-19 23:37:57,414 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-12-19 23:37:57,415 INFO L895 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L765(lines 702 769) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 318) no Hoare annotation was computed. [2023-12-19 23:37:57,415 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2023-12-19 23:37:57,416 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-12-19 23:37:57,416 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2023-12-19 23:37:57,416 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 150 161) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~methAndRunningLastTime~0 0))) [2023-12-19 23:37:57,416 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2023-12-19 23:37:57,418 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-19 23:37:57,419 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:37:57,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:37:57 BoogieIcfgContainer [2023-12-19 23:37:57,431 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:37:57,431 INFO L158 Benchmark]: Toolchain (without parser) took 2205.45ms. Allocated memory was 190.8MB in the beginning and 303.0MB in the end (delta: 112.2MB). Free memory was 129.0MB in the beginning and 187.8MB in the end (delta: -58.9MB). Peak memory consumption was 54.4MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,431 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:37:57,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.79ms. Allocated memory is still 190.8MB. Free memory was 128.7MB in the beginning and 109.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.88ms. Allocated memory was 190.8MB in the beginning and 303.0MB in the end (delta: 112.2MB). Free memory was 109.0MB in the beginning and 268.3MB in the end (delta: -159.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,432 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 303.0MB. Free memory was 268.3MB in the beginning and 266.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,432 INFO L158 Benchmark]: RCFGBuilder took 351.83ms. Allocated memory is still 303.0MB. Free memory was 266.2MB in the beginning and 245.7MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,433 INFO L158 Benchmark]: TraceAbstraction took 1367.67ms. Allocated memory is still 303.0MB. Free memory was 245.2MB in the beginning and 187.8MB in the end (delta: 57.4MB). Peak memory consumption was 56.8MB. Max. memory is 8.0GB. [2023-12-19 23:37:57,434 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 190.8MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.79ms. Allocated memory is still 190.8MB. Free memory was 128.7MB in the beginning and 109.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.88ms. Allocated memory was 190.8MB in the beginning and 303.0MB in the end (delta: 112.2MB). Free memory was 109.0MB in the beginning and 268.3MB in the end (delta: -159.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 303.0MB. Free memory was 268.3MB in the beginning and 266.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 351.83ms. Allocated memory is still 303.0MB. Free memory was 266.2MB in the beginning and 245.7MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1367.67ms. Allocated memory is still 303.0MB. Free memory was 245.2MB in the beginning and 187.8MB in the end (delta: 57.4MB). Peak memory consumption was 56.8MB. 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [91] - GenericResultAtLocation [Line: 129]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [129] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [224] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [324] - GenericResultAtLocation [Line: 690]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [690] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [770] * 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: 695]: 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, 198 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 478 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 265 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 121 PreInvPairs, 134 NumberOfFragments, 153 HoareAnnotationTreeSize, 121 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FormulaSimplificationsInter, 369 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 19/19 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: 712]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (tmp == 1)) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-19 23:37:57,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...