/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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:55:03,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:55:03,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:55:03,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:55:03,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:55:03,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:55:03,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:55:03,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:55:03,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:55:03,926 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:55:03,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:55:03,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:55:03,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:55:03,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:55:03,929 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:55:03,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:55:03,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:55:03,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:55:03,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:55:03,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:55:03,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:55:03,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:55:03,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:55:03,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:55:03,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:55:03,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:55:03,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:55:03,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:03,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:55:03,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:55:03,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:55:03,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:55:04,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:55:04,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:55:04,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:55:04,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:55:04,144 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:55:04,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2023-12-15 22:55:05,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:55:05,349 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:55:05,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2023-12-15 22:55:05,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ad9879d/1fe1a0fec3bd4fc38abdb86a3ad1bd77/FLAG0220e8fa7 [2023-12-15 22:55:05,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ad9879d/1fe1a0fec3bd4fc38abdb86a3ad1bd77 [2023-12-15 22:55:05,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:55:05,376 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:55:05,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:05,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:55:05,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:55:05,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509acab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05, skipping insertion in model container [2023-12-15 22:55:05,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:55:05,545 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_product07.cil.c[6162,6175] [2023-12-15 22:55:05,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:05,603 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:55:05,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-15 22:55:05,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2023-12-15 22:55:05,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] [2023-12-15 22:55:05,621 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_product07.cil.c[6162,6175] [2023-12-15 22:55:05,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:05,658 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:55:05,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05 WrapperNode [2023-12-15 22:55:05,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:05,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:05,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:55:05,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:55:05,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,713 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 159 [2023-12-15 22:55:05,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:05,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:55:05,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:55:05,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:55:05,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,743 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:55:05,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:55:05,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:55:05,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:55:05,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:55:05,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (1/1) ... [2023-12-15 22:55:05,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:05,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:55:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:55:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:55:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:55:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:55:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:55:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:55:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:55:05,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:55:05,878 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:55:05,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:55:06,090 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:55:06,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:55:06,152 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:55:06,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:06 BoogieIcfgContainer [2023-12-15 22:55:06,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:55:06,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:55:06,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:55:06,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:55:06,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:55:05" (1/3) ... [2023-12-15 22:55:06,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394b6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:06, skipping insertion in model container [2023-12-15 22:55:06,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:05" (2/3) ... [2023-12-15 22:55:06,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394b6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:06, skipping insertion in model container [2023-12-15 22:55:06,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:06" (3/3) ... [2023-12-15 22:55:06,158 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2023-12-15 22:55:06,171 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:55:06,171 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:55:06,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:55:06,215 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;@5af89494, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:55:06,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:55:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 22:55:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:55:06,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:06,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:06,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:06,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:06,235 INFO L85 PathProgramCache]: Analyzing trace with hash 342430063, now seen corresponding path program 1 times [2023-12-15 22:55:06,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:06,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299890211] [2023-12-15 22:55:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:06,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:06,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299890211] [2023-12-15 22:55:06,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299890211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:06,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:06,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:55:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134374615] [2023-12-15 22:55:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:06,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:55:06,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:06,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:55:06,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:06,427 INFO L87 Difference]: Start difference. First operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2023-12-15 22:55:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:06,482 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-12-15 22:55:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:55:06,484 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 [2023-12-15 22:55:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:06,496 INFO L225 Difference]: With dead ends: 124 [2023-12-15 22:55:06,496 INFO L226 Difference]: Without dead ends: 58 [2023-12-15 22:55:06,499 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 [2023-12-15 22:55:06,502 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:06,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-15 22:55:06,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-12-15 22:55:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 22:55:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-12-15 22:55:06,534 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-12-15 22:55:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:06,534 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-12-15 22:55:06,534 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) [2023-12-15 22:55:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-12-15 22:55:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-15 22:55:06,535 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:06,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:06,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:55:06,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:06,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2089489039, now seen corresponding path program 1 times [2023-12-15 22:55:06,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:06,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61982522] [2023-12-15 22:55:06,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:06,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:55:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:06,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61982522] [2023-12-15 22:55:06,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61982522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:06,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:06,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:06,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503460793] [2023-12-15 22:55:06,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:06,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:06,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:06,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:06,633 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) [2023-12-15 22:55:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:06,662 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-12-15 22:55:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:06,663 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 [2023-12-15 22:55:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:06,664 INFO L225 Difference]: With dead ends: 86 [2023-12-15 22:55:06,664 INFO L226 Difference]: Without dead ends: 50 [2023-12-15 22:55:06,665 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 [2023-12-15 22:55:06,667 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:06,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 99 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:06,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-15 22:55:06,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-15 22:55:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-15 22:55:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-12-15 22:55:06,674 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-12-15 22:55:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:06,674 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-12-15 22:55:06,674 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) [2023-12-15 22:55:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-12-15 22:55:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:55:06,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:06,675 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] [2023-12-15 22:55:06,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:55:06,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:06,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1815896199, now seen corresponding path program 1 times [2023-12-15 22:55:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443292416] [2023-12-15 22:55:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:06,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:06,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:06,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443292416] [2023-12-15 22:55:06,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443292416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:06,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:06,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:06,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412029669] [2023-12-15 22:55:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:06,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:06,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:06,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:06,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:06,746 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2023-12-15 22:55:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:06,785 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-15 22:55:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:06,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2023-12-15 22:55:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:06,787 INFO L225 Difference]: With dead ends: 146 [2023-12-15 22:55:06,787 INFO L226 Difference]: Without dead ends: 98 [2023-12-15 22:55:06,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:06,788 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 54 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:06,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:06,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-15 22:55:06,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-12-15 22:55:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 22:55:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2023-12-15 22:55:06,800 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21 [2023-12-15 22:55:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:06,800 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2023-12-15 22:55:06,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2023-12-15 22:55:06,800 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2023-12-15 22:55:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-15 22:55:06,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:06,801 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] [2023-12-15 22:55:06,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:55:06,801 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:06,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:06,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1892207038, now seen corresponding path program 1 times [2023-12-15 22:55:06,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:06,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894506844] [2023-12-15 22:55:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:55:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:06,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894506844] [2023-12-15 22:55:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894506844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:06,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:06,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959232821] [2023-12-15 22:55:06,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:06,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:06,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:06,866 INFO L87 Difference]: Start difference. First operand 95 states and 129 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) [2023-12-15 22:55:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:06,911 INFO L93 Difference]: Finished difference Result 188 states and 260 transitions. [2023-12-15 22:55:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:06,911 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 [2023-12-15 22:55:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:06,913 INFO L225 Difference]: With dead ends: 188 [2023-12-15 22:55:06,913 INFO L226 Difference]: Without dead ends: 186 [2023-12-15 22:55:06,913 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 [2023-12-15 22:55:06,914 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 43 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:06,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 111 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-15 22:55:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2023-12-15 22:55:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 125 states have (on average 1.448) internal successors, (181), 146 states have internal predecessors, (181), 36 states have call successors, (36), 24 states have call predecessors, (36), 24 states have return successors, (40), 26 states have call predecessors, (40), 36 states have call successors, (40) [2023-12-15 22:55:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 257 transitions. [2023-12-15 22:55:06,936 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 257 transitions. Word has length 24 [2023-12-15 22:55:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:06,937 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 257 transitions. [2023-12-15 22:55:06,937 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) [2023-12-15 22:55:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-12-15 22:55:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-15 22:55:06,939 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:06,939 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] [2023-12-15 22:55:06,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:55:06,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:06,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:06,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1256222874, now seen corresponding path program 1 times [2023-12-15 22:55:06,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:06,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308371249] [2023-12-15 22:55:06,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-15 22:55:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:55:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:55:07,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308371249] [2023-12-15 22:55:07,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308371249] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836745210] [2023-12-15 22:55:07,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:07,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:07,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:07,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:55:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:07,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 22:55:07,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:55:07,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:07,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836745210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:07,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:07,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-12-15 22:55:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169647842] [2023-12-15 22:55:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:07,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:07,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:55:07,233 INFO L87 Difference]: Start difference. First operand 186 states and 257 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-15 22:55:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:07,268 INFO L93 Difference]: Finished difference Result 257 states and 355 transitions. [2023-12-15 22:55:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:55:07,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2023-12-15 22:55:07,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:07,269 INFO L225 Difference]: With dead ends: 257 [2023-12-15 22:55:07,269 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:55:07,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 22:55:07,270 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 38 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:07,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 67 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:07,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:55:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:55:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:55:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:55:07,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-12-15 22:55:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:07,283 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:55:07,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-15 22:55:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:55:07,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:55:07,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:55:07,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 22:55:07,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:07,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:55:07,647 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 218) the Hoare annotation is: true [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2023-12-15 22:55:07,648 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point L798(lines 773 802) no Hoare annotation was computed. [2023-12-15 22:55:07,648 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-12-15 22:55:07,649 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2023-12-15 22:55:07,649 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2023-12-15 22:55:07,649 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2023-12-15 22:55:07,649 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2023-12-15 22:55:07,650 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2023-12-15 22:55:07,650 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 802) the Hoare annotation is: true [2023-12-15 22:55:07,650 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-15 22:55:07,650 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-15 22:55:07,651 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 901) no Hoare annotation was computed. [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 904) no Hoare annotation was computed. [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L887-1(lines 879 907) no Hoare annotation was computed. [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2023-12-15 22:55:07,655 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 58 69) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L899 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2023-12-15 22:55:07,656 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-12-15 22:55:07,657 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-12-15 22:55:07,657 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2023-12-15 22:55:07,658 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2023-12-15 22:55:07,660 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-12-15 22:55:07,660 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2023-12-15 22:55:07,660 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2023-12-15 22:55:07,660 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2023-12-15 22:55:07,660 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 102) the Hoare annotation is: true [2023-12-15 22:55:07,660 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-12-15 22:55:07,660 INFO L899 garLoopResultBuilder]: For program point L353(lines 292 357) no Hoare annotation was computed. [2023-12-15 22:55:07,661 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2023-12-15 22:55:07,661 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2023-12-15 22:55:07,661 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2023-12-15 22:55:07,661 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2023-12-15 22:55:07,661 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2023-12-15 22:55:07,662 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2023-12-15 22:55:07,662 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:07,662 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2023-12-15 22:55:07,662 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2023-12-15 22:55:07,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:55:07,663 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:07,663 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:07,663 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: false [2023-12-15 22:55:07,663 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 863) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-12-15 22:55:07,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2023-12-15 22:55:07,664 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-12-15 22:55:07,667 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-15 22:55:07,668 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:55:07,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:55:07 BoogieIcfgContainer [2023-12-15 22:55:07,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:55:07,678 INFO L158 Benchmark]: Toolchain (without parser) took 2302.06ms. Allocated memory is still 254.8MB. Free memory was 200.5MB in the beginning and 123.5MB in the end (delta: 77.0MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,679 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:55:07,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.49ms. Allocated memory is still 254.8MB. Free memory was 200.5MB in the beginning and 181.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.99ms. Allocated memory is still 254.8MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,679 INFO L158 Benchmark]: Boogie Preprocessor took 48.02ms. Allocated memory is still 254.8MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,680 INFO L158 Benchmark]: RCFGBuilder took 389.29ms. Allocated memory is still 254.8MB. Free memory was 177.0MB in the beginning and 157.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,680 INFO L158 Benchmark]: TraceAbstraction took 1524.23ms. Allocated memory is still 254.8MB. Free memory was 156.0MB in the beginning and 123.5MB in the end (delta: 32.5MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. [2023-12-15 22:55:07,682 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 211.8MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.49ms. Allocated memory is still 254.8MB. Free memory was 200.5MB in the beginning and 181.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.99ms. Allocated memory is still 254.8MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.02ms. Allocated memory is still 254.8MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 389.29ms. Allocated memory is still 254.8MB. Free memory was 177.0MB in the beginning and 157.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1524.23ms. Allocated memory is still 254.8MB. Free memory was 156.0MB in the beginning and 123.5MB in the end (delta: 32.5MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] - GenericResultAtLocation [Line: 396]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] * 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: 401]: 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 474 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 290 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 21 LocationsWithAnnotation, 147 PreInvPairs, 159 NumberOfFragments, 126 HoareAnnotationTreeSize, 147 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FormulaSimplificationsInter, 326 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 2 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 35/36 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: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-12-15 22:55:07,698 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...