/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:45:13,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:45:13,514 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:45:13,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:45:13,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:45:13,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:45:13,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:45:13,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:45:13,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:45:13,546 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:45:13,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:45:13,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:45:13,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:45:13,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:45:13,548 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:45:13,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:45:13,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:45:13,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:45:13,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:45:13,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:45:13,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:45:13,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:45:13,553 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:45:13,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:45:13,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:45:13,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:45:13,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:45:13,782 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:45:13,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2023-12-16 05:45:15,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:45:15,221 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:45:15,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2023-12-16 05:45:15,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab35e8f33/1f429a689bef46ff8849662e2582f68d/FLAG0e225b0f7 [2023-12-16 05:45:15,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab35e8f33/1f429a689bef46ff8849662e2582f68d [2023-12-16 05:45:15,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:45:15,243 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:45:15,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:45:15,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:45:15,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:45:15,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d63c136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15, skipping insertion in model container [2023-12-16 05:45:15,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:45:15,519 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_spec3_product33.cil.c[13988,14001] [2023-12-16 05:45:15,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:45:15,540 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:45:15,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [618] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [692] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [848] [2023-12-16 05:45:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [882] [2023-12-16 05:45:15,591 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_spec3_product33.cil.c[13988,14001] [2023-12-16 05:45:15,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:45:15,612 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:45:15,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15 WrapperNode [2023-12-16 05:45:15,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:45:15,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:45:15,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:45:15,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:45:15,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,646 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 176 [2023-12-16 05:45:15,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:45:15,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:45:15,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:45:15,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:45:15,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,678 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 05:45:15,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:45:15,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:45:15,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:45:15,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:45:15,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (1/1) ... [2023-12-16 05:45:15,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:45:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:45:15,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:45:15,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:45:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:45:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 05:45:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 05:45:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 05:45:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 05:45:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 05:45:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 05:45:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 05:45:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 05:45:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 05:45:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 05:45:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:45:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 05:45:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 05:45:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:45:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:45:15,842 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:45:15,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:45:16,004 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:45:16,059 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:45:16,060 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 05:45:16,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:16 BoogieIcfgContainer [2023-12-16 05:45:16,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:45:16,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:45:16,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:45:16,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:45:16,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:45:15" (1/3) ... [2023-12-16 05:45:16,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bedbcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:16, skipping insertion in model container [2023-12-16 05:45:16,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:15" (2/3) ... [2023-12-16 05:45:16,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bedbcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:16, skipping insertion in model container [2023-12-16 05:45:16,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:16" (3/3) ... [2023-12-16 05:45:16,074 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2023-12-16 05:45:16,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:45:16,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:45:16,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:45:16,145 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;@62db49cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:45:16,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:45:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 48 states have internal predecessors, (66), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-16 05:45:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 05:45:16,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:16,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:16,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:16,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:16,161 INFO L85 PathProgramCache]: Analyzing trace with hash -424922325, now seen corresponding path program 1 times [2023-12-16 05:45:16,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:16,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425982779] [2023-12-16 05:45:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:16,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:45:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:16,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:16,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425982779] [2023-12-16 05:45:16,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425982779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:16,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:16,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 05:45:16,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882144100] [2023-12-16 05:45:16,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:16,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:45:16,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:45:16,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:45:16,339 INFO L87 Difference]: Start difference. First operand has 59 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 48 states have internal predecessors, (66), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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) [2023-12-16 05:45:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:16,402 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2023-12-16 05:45:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:45:16,404 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 [2023-12-16 05:45:16,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:16,412 INFO L225 Difference]: With dead ends: 116 [2023-12-16 05:45:16,412 INFO L226 Difference]: Without dead ends: 54 [2023-12-16 05:45:16,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:45:16,420 INFO L413 NwaCegarLoop]: 67 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, 67 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 [2023-12-16 05:45:16,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-16 05:45:16,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-12-16 05:45:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.435897435897436) internal successors, (56), 44 states have internal predecessors, (56), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 05:45:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2023-12-16 05:45:16,460 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 17 [2023-12-16 05:45:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:16,460 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-12-16 05:45:16,461 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) [2023-12-16 05:45:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2023-12-16 05:45:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 05:45:16,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:16,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:16,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 05:45:16,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:16,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1881155319, now seen corresponding path program 1 times [2023-12-16 05:45:16,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:16,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460067487] [2023-12-16 05:45:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:16,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-16 05:45:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460067487] [2023-12-16 05:45:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460067487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:16,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:16,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:45:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082661007] [2023-12-16 05:45:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:16,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:45:16,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:16,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:45:16,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:16,587 INFO L87 Difference]: Start difference. First operand 54 states and 73 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) [2023-12-16 05:45:16,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:16,610 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2023-12-16 05:45:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:45:16,611 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 [2023-12-16 05:45:16,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:16,612 INFO L225 Difference]: With dead ends: 81 [2023-12-16 05:45:16,612 INFO L226 Difference]: Without dead ends: 46 [2023-12-16 05:45:16,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:16,615 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 11 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:16,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 92 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-16 05:45:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-16 05:45:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 39 states have internal predecessors, (50), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-16 05:45:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2023-12-16 05:45:16,626 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 18 [2023-12-16 05:45:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:16,626 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2023-12-16 05:45:16,627 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) [2023-12-16 05:45:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-12-16 05:45:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 05:45:16,627 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:16,627 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] [2023-12-16 05:45:16,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 05:45:16,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:16,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:16,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1936032310, now seen corresponding path program 1 times [2023-12-16 05:45:16,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:16,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615133761] [2023-12-16 05:45:16,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:16,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 05:45:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:16,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:16,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615133761] [2023-12-16 05:45:16,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615133761] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:16,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:16,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:45:16,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167246470] [2023-12-16 05:45:16,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:16,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:45:16,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:45:16,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:45:16,730 INFO L87 Difference]: Start difference. First operand 46 states and 62 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) [2023-12-16 05:45:16,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:16,817 INFO L93 Difference]: Finished difference Result 90 states and 123 transitions. [2023-12-16 05:45:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:45:16,819 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 [2023-12-16 05:45:16,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:16,819 INFO L225 Difference]: With dead ends: 90 [2023-12-16 05:45:16,819 INFO L226 Difference]: Without dead ends: 46 [2023-12-16 05:45:16,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:45:16,821 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 61 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:16,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 76 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:45:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-16 05:45:16,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-16 05:45:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 39 states have internal predecessors, (49), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-16 05:45:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2023-12-16 05:45:16,828 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 21 [2023-12-16 05:45:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:16,828 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2023-12-16 05:45:16,828 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) [2023-12-16 05:45:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-12-16 05:45:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 05:45:16,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:16,829 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, 1, 1] [2023-12-16 05:45:16,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 05:45:16,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:16,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:16,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1572009085, now seen corresponding path program 1 times [2023-12-16 05:45:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130253449] [2023-12-16 05:45:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 05:45:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-16 05:45:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:16,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:16,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130253449] [2023-12-16 05:45:16,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130253449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:16,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:16,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:45:16,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676713756] [2023-12-16 05:45:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:16,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:45:16,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:16,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:45:16,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:16,891 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 05:45:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:16,929 INFO L93 Difference]: Finished difference Result 125 states and 168 transitions. [2023-12-16 05:45:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:45:16,930 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-12-16 05:45:16,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:16,931 INFO L225 Difference]: With dead ends: 125 [2023-12-16 05:45:16,931 INFO L226 Difference]: Without dead ends: 81 [2023-12-16 05:45:16,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:16,933 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 51 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:16,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 101 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-16 05:45:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2023-12-16 05:45:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 64 states have internal predecessors, (82), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-12-16 05:45:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 104 transitions. [2023-12-16 05:45:16,943 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 104 transitions. Word has length 26 [2023-12-16 05:45:16,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:16,943 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 104 transitions. [2023-12-16 05:45:16,943 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 05:45:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-12-16 05:45:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 05:45:16,944 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:16,944 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, 1, 1, 1, 1] [2023-12-16 05:45:16,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 05:45:16,944 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:16,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:16,945 INFO L85 PathProgramCache]: Analyzing trace with hash -80919388, now seen corresponding path program 1 times [2023-12-16 05:45:16,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:16,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499751901] [2023-12-16 05:45:16,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:45:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499751901] [2023-12-16 05:45:17,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499751901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:45:17,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703551589] [2023-12-16 05:45:17,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:45:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:45:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:17,013 INFO L87 Difference]: Start difference. First operand 79 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,056 INFO L93 Difference]: Finished difference Result 229 states and 318 transitions. [2023-12-16 05:45:17,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:45:17,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2023-12-16 05:45:17,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,060 INFO L225 Difference]: With dead ends: 229 [2023-12-16 05:45:17,060 INFO L226 Difference]: Without dead ends: 152 [2023-12-16 05:45:17,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:45:17,070 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 43 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 94 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-12-16 05:45:17,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2023-12-16 05:45:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 120 states have internal predecessors, (156), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (28), 18 states have call predecessors, (28), 20 states have call successors, (28) [2023-12-16 05:45:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 204 transitions. [2023-12-16 05:45:17,099 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 204 transitions. Word has length 28 [2023-12-16 05:45:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,099 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 204 transitions. [2023-12-16 05:45:17,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 204 transitions. [2023-12-16 05:45:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 05:45:17,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,103 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, 1, 1, 1, 1] [2023-12-16 05:45:17,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 05:45:17,104 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1198944290, now seen corresponding path program 1 times [2023-12-16 05:45:17,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594490896] [2023-12-16 05:45:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:45:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594490896] [2023-12-16 05:45:17,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594490896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:45:17,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185007141] [2023-12-16 05:45:17,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:45:17,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:45:17,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:45:17,163 INFO L87 Difference]: Start difference. First operand 150 states and 204 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,195 INFO L93 Difference]: Finished difference Result 302 states and 418 transitions. [2023-12-16 05:45:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:45:17,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 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 28 [2023-12-16 05:45:17,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,198 INFO L225 Difference]: With dead ends: 302 [2023-12-16 05:45:17,198 INFO L226 Difference]: Without dead ends: 154 [2023-12-16 05:45:17,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:45:17,201 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 149 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-16 05:45:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2023-12-16 05:45:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 115 states have (on average 1.391304347826087) internal successors, (160), 124 states have internal predecessors, (160), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (28), 18 states have call predecessors, (28), 20 states have call successors, (28) [2023-12-16 05:45:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 208 transitions. [2023-12-16 05:45:17,233 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 208 transitions. Word has length 28 [2023-12-16 05:45:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,233 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 208 transitions. [2023-12-16 05:45:17,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 208 transitions. [2023-12-16 05:45:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 05:45:17,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,236 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, 1, 1, 1, 1] [2023-12-16 05:45:17,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:45:17,236 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,237 INFO L85 PathProgramCache]: Analyzing trace with hash 612138276, now seen corresponding path program 1 times [2023-12-16 05:45:17,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904108528] [2023-12-16 05:45:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:45:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904108528] [2023-12-16 05:45:17,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904108528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:45:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439478235] [2023-12-16 05:45:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:45:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:45:17,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:45:17,309 INFO L87 Difference]: Start difference. First operand 154 states and 208 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,345 INFO L93 Difference]: Finished difference Result 306 states and 418 transitions. [2023-12-16 05:45:17,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:45:17,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 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 28 [2023-12-16 05:45:17,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,347 INFO L225 Difference]: With dead ends: 306 [2023-12-16 05:45:17,347 INFO L226 Difference]: Without dead ends: 154 [2023-12-16 05:45:17,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:45:17,350 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-16 05:45:17,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2023-12-16 05:45:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 121 states have internal predecessors, (156), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2023-12-16 05:45:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2023-12-16 05:45:17,373 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 28 [2023-12-16 05:45:17,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,373 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2023-12-16 05:45:17,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:45:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2023-12-16 05:45:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-16 05:45:17,375 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,375 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:17,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:45:17,375 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1717638208, now seen corresponding path program 1 times [2023-12-16 05:45:17,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769364124] [2023-12-16 05:45:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-16 05:45:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-12-16 05:45:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769364124] [2023-12-16 05:45:17,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769364124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:45:17,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379836202] [2023-12-16 05:45:17,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:45:17,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:45:17,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:45:17,428 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 05:45:17,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,473 INFO L93 Difference]: Finished difference Result 302 states and 406 transitions. [2023-12-16 05:45:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:45:17,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2023-12-16 05:45:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,478 INFO L225 Difference]: With dead ends: 302 [2023-12-16 05:45:17,478 INFO L226 Difference]: Without dead ends: 152 [2023-12-16 05:45:17,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:45:17,479 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 39 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 153 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-12-16 05:45:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2023-12-16 05:45:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 119 states have internal predecessors, (150), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2023-12-16 05:45:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2023-12-16 05:45:17,497 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 31 [2023-12-16 05:45:17,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,498 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2023-12-16 05:45:17,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-16 05:45:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2023-12-16 05:45:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-16 05:45:17,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,499 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:17,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:45:17,499 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1325318604, now seen corresponding path program 1 times [2023-12-16 05:45:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92470975] [2023-12-16 05:45:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-16 05:45:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-16 05:45:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92470975] [2023-12-16 05:45:17,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92470975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 05:45:17,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661208247] [2023-12-16 05:45:17,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:45:17,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:45:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:45:17,546 INFO L87 Difference]: Start difference. First operand 150 states and 196 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 05:45:17,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,657 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2023-12-16 05:45:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 05:45:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-12-16 05:45:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,658 INFO L225 Difference]: With dead ends: 325 [2023-12-16 05:45:17,658 INFO L226 Difference]: Without dead ends: 83 [2023-12-16 05:45:17,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 05:45:17,660 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 82 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 197 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:45:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-16 05:45:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2023-12-16 05:45:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (12), 9 states have call predecessors, (12), 10 states have call successors, (12) [2023-12-16 05:45:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2023-12-16 05:45:17,668 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 32 [2023-12-16 05:45:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,669 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2023-12-16 05:45:17,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 05:45:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2023-12-16 05:45:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 05:45:17,670 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:17,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:45:17,670 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash 869576344, now seen corresponding path program 1 times [2023-12-16 05:45:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010388816] [2023-12-16 05:45:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-16 05:45:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-16 05:45:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:45:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010388816] [2023-12-16 05:45:17,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010388816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 05:45:17,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527349337] [2023-12-16 05:45:17,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:45:17,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:45:17,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:45:17,725 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 05:45:17,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,781 INFO L93 Difference]: Finished difference Result 160 states and 197 transitions. [2023-12-16 05:45:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:45:17,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-12-16 05:45:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,782 INFO L225 Difference]: With dead ends: 160 [2023-12-16 05:45:17,782 INFO L226 Difference]: Without dead ends: 81 [2023-12-16 05:45:17,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:45:17,783 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 44 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 132 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-16 05:45:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-16 05:45:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 65 states have internal predecessors, (76), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (12), 9 states have call predecessors, (12), 10 states have call successors, (12) [2023-12-16 05:45:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2023-12-16 05:45:17,787 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 35 [2023-12-16 05:45:17,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,788 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2023-12-16 05:45:17,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 05:45:17,788 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2023-12-16 05:45:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 05:45:17,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:45:17,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:17,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 05:45:17,788 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:45:17,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:45:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash -151492010, now seen corresponding path program 1 times [2023-12-16 05:45:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:45:17,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696360687] [2023-12-16 05:45:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:45:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:45:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-16 05:45:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-16 05:45:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:45:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:45:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:45:17,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:45:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696360687] [2023-12-16 05:45:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696360687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:45:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:45:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 05:45:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788776913] [2023-12-16 05:45:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:45:17,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 05:45:17,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:45:17,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 05:45:17,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 05:45:17,833 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 05:45:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:45:17,884 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2023-12-16 05:45:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 05:45:17,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-12-16 05:45:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:45:17,884 INFO L225 Difference]: With dead ends: 137 [2023-12-16 05:45:17,884 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 05:45:17,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-16 05:45:17,885 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 35 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:45:17,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 119 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:45:17,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 05:45:17,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 05:45:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:45:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 05:45:17,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-12-16 05:45:17,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:45:17,886 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 05:45:17,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 05:45:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 05:45:17,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 05:45:17,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:45:17,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:45:17,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 05:45:18,335 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2023-12-16 05:45:18,335 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2023-12-16 05:45:18,335 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-12-16 05:45:18,335 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-12-16 05:45:18,335 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-12-16 05:45:18,335 INFO L899 garLoopResultBuilder]: For program point L704-1(lines 703 722) no Hoare annotation was computed. [2023-12-16 05:45:18,335 INFO L895 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2023-12-16 05:45:18,335 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 136 149) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L895 garLoopResultBuilder]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 723) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (and .cse1 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 849 881) no Hoare annotation was computed. [2023-12-16 05:45:18,336 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) (= ~pumpRunning~0 0) .cse4 .cse7)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or .cse5 .cse6 .cse1 (and .cse7 .cse2)) (or .cse3 .cse5 .cse6 .cse1)))) [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L902 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L902 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L178(lines 153 182) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 153 182) the Hoare annotation is: true [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L902 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2023-12-16 05:45:18,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-12-16 05:45:18,337 INFO L895 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: false [2023-12-16 05:45:18,337 INFO L899 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 679) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) .cse0) (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 239 246) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L895 garLoopResultBuilder]: At program point L681(lines 638 683) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) .cse0) (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L895 garLoopResultBuilder]: At program point L674-2(lines 668 679) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) .cse0) (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L899 garLoopResultBuilder]: For program point L687(lines 628 691) no Hoare annotation was computed. [2023-12-16 05:45:18,338 INFO L895 garLoopResultBuilder]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) .cse0) (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2023-12-16 05:45:18,339 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-12-16 05:45:18,339 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-12-16 05:45:18,339 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (< 1 |old(~waterLevel~0)|) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1))) [2023-12-16 05:45:18,342 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:45:18,344 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:45:18,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:45:18 BoogieIcfgContainer [2023-12-16 05:45:18,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:45:18,354 INFO L158 Benchmark]: Toolchain (without parser) took 3111.52ms. Allocated memory was 203.4MB in the beginning and 314.6MB in the end (delta: 111.1MB). Free memory was 149.3MB in the beginning and 204.3MB in the end (delta: -55.0MB). Peak memory consumption was 57.2MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,354 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 203.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:45:18,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 203.4MB. Free memory was 149.0MB in the beginning and 129.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.15ms. Allocated memory is still 203.4MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,355 INFO L158 Benchmark]: Boogie Preprocessor took 51.94ms. Allocated memory is still 203.4MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,355 INFO L158 Benchmark]: RCFGBuilder took 360.72ms. Allocated memory was 203.4MB in the beginning and 314.6MB in the end (delta: 111.1MB). Free memory was 125.2MB in the beginning and 274.5MB in the end (delta: -149.3MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,356 INFO L158 Benchmark]: TraceAbstraction took 2292.30ms. Allocated memory is still 314.6MB. Free memory was 273.5MB in the beginning and 204.3MB in the end (delta: 69.2MB). Peak memory consumption was 68.7MB. Max. memory is 8.0GB. [2023-12-16 05:45:18,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 203.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 203.4MB. Free memory was 149.0MB in the beginning and 129.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.15ms. Allocated memory is still 203.4MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.94ms. Allocated memory is still 203.4MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.72ms. Allocated memory was 203.4MB in the beginning and 314.6MB in the end (delta: 111.1MB). Free memory was 125.2MB in the beginning and 274.5MB in the end (delta: -149.3MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2292.30ms. Allocated memory is still 314.6MB. Free memory was 273.5MB in the beginning and 204.3MB in the end (delta: 69.2MB). Peak memory consumption was 68.7MB. 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: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150] - GenericResultAtLocation [Line: 252]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [252] - GenericResultAtLocation [Line: 618]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [618] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [692] - GenericResultAtLocation [Line: 848]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [848] - GenericResultAtLocation [Line: 882]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [882] * 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: 623]: 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 7 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 1326 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 748 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 578 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 10 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 267 PreInvPairs, 296 NumberOfFragments, 328 HoareAnnotationTreeSize, 267 FormulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FormulaSimplificationsInter, 549 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (tmp == 1)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((tmp == systemActive) && (splverifierCounter == 0)) && !((0 == systemActive))) && (pumpRunning == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-16 05:45:18,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...