/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:25,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:25,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:57:25,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:25,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:26,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:26,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:26,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:26,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:26,022 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:26,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:26,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:26,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:26,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:26,023 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:26,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:26,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:26,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:26,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:26,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:26,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:26,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:26,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:26,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:26,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:26,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:26,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:26,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:26,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:26,029 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:26,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:26,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:26,030 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:26,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:26,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:26,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:26,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:26,250 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:26,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2023-12-15 22:57:27,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:27,546 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:27,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2023-12-15 22:57:27,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3bb80431/2b0d9bb7499e4e718f9c47c33c1e483c/FLAG5382264ea [2023-12-15 22:57:27,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3bb80431/2b0d9bb7499e4e718f9c47c33c1e483c [2023-12-15 22:57:27,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:27,571 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:27,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:27,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:27,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:27,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:27,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fae861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27, skipping insertion in model container [2023-12-15 22:57:27,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:27,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:27,742 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2023-12-15 22:57:27,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:27,870 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:27,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-15 22:57:27,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] [2023-12-15 22:57:27,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] [2023-12-15 22:57:27,881 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2023-12-15 22:57:27,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:27,943 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:27,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27 WrapperNode [2023-12-15 22:57:27,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:27,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:27,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:27,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:27,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:27,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:27,985 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 182 [2023-12-15 22:57:27,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:27,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:27,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:27,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:28,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:57:28,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:28,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:28,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:28,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:28,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (1/1) ... [2023-12-15 22:57:28,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:28,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:28,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:57:28,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:57:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:28,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:28,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:28,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:28,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:28,230 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:28,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:28,542 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:28,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:28,609 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:28,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:28 BoogieIcfgContainer [2023-12-15 22:57:28,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:28,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:28,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:28,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:28,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:27" (1/3) ... [2023-12-15 22:57:28,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e06ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:28, skipping insertion in model container [2023-12-15 22:57:28,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:27" (2/3) ... [2023-12-15 22:57:28,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e06ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:28, skipping insertion in model container [2023-12-15 22:57:28,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:28" (3/3) ... [2023-12-15 22:57:28,634 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2023-12-15 22:57:28,645 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:28,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:28,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:28,718 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;@5b831fc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:28,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 52 states have internal predecessors, (71), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-15 22:57:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:28,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:28,729 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:28,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:28,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:28,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1725021989, now seen corresponding path program 1 times [2023-12-15 22:57:28,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877610979] [2023-12-15 22:57:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:29,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877610979] [2023-12-15 22:57:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877610979] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:29,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:29,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:29,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998204190] [2023-12-15 22:57:29,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:29,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:29,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:29,145 INFO L87 Difference]: Start difference. First operand has 64 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 52 states have internal predecessors, (71), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:29,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:29,215 INFO L93 Difference]: Finished difference Result 126 states and 183 transitions. [2023-12-15 22:57:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:29,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-15 22:57:29,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:29,226 INFO L225 Difference]: With dead ends: 126 [2023-12-15 22:57:29,226 INFO L226 Difference]: Without dead ends: 59 [2023-12-15 22:57:29,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:29,234 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:29,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:29,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-15 22:57:29,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-15 22:57:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 48 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-15 22:57:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2023-12-15 22:57:29,349 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 22 [2023-12-15 22:57:29,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:29,349 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2023-12-15 22:57:29,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2023-12-15 22:57:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:29,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:29,354 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:29,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:29,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:29,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:29,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2102393361, now seen corresponding path program 1 times [2023-12-15 22:57:29,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:29,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373510680] [2023-12-15 22:57:29,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:29,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:29,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:29,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373510680] [2023-12-15 22:57:29,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373510680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:29,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:29,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:29,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128717838] [2023-12-15 22:57:29,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:29,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:29,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:29,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:29,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:29,552 INFO L87 Difference]: Start difference. First operand 59 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:29,600 INFO L93 Difference]: Finished difference Result 89 states and 120 transitions. [2023-12-15 22:57:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:29,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-15 22:57:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:29,603 INFO L225 Difference]: With dead ends: 89 [2023-12-15 22:57:29,603 INFO L226 Difference]: Without dead ends: 51 [2023-12-15 22:57:29,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:29,620 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:29,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 101 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-15 22:57:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-15 22:57:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 43 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 22:57:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-12-15 22:57:29,633 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 69 transitions. Word has length 23 [2023-12-15 22:57:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:29,633 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-12-15 22:57:29,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-12-15 22:57:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:29,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:29,635 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:29,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:29,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:29,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 611933001, now seen corresponding path program 1 times [2023-12-15 22:57:29,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:29,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438722147] [2023-12-15 22:57:29,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:29,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:29,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:29,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438722147] [2023-12-15 22:57:29,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438722147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:29,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:29,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256279085] [2023-12-15 22:57:29,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:29,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:29,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:29,842 INFO L87 Difference]: Start difference. First operand 51 states and 69 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:29,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:29,993 INFO L93 Difference]: Finished difference Result 151 states and 211 transitions. [2023-12-15 22:57:29,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:57:29,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-15 22:57:29,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:29,997 INFO L225 Difference]: With dead ends: 151 [2023-12-15 22:57:29,997 INFO L226 Difference]: Without dead ends: 102 [2023-12-15 22:57:30,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:30,003 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 78 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 174 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-15 22:57:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 85. [2023-12-15 22:57:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 70 states have internal predecessors, (91), 12 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2023-12-15 22:57:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2023-12-15 22:57:30,042 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 26 [2023-12-15 22:57:30,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,043 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2023-12-15 22:57:30,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,043 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-12-15 22:57:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:30,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,047 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:30,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,048 INFO L85 PathProgramCache]: Analyzing trace with hash 782732798, now seen corresponding path program 1 times [2023-12-15 22:57:30,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509371899] [2023-12-15 22:57:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:30,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509371899] [2023-12-15 22:57:30,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509371899] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:30,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179790626] [2023-12-15 22:57:30,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:30,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:30,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:30,129 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,181 INFO L93 Difference]: Finished difference Result 205 states and 284 transitions. [2023-12-15 22:57:30,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:30,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 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 29 [2023-12-15 22:57:30,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,196 INFO L225 Difference]: With dead ends: 205 [2023-12-15 22:57:30,196 INFO L226 Difference]: Without dead ends: 122 [2023-12-15 22:57:30,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:30,202 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 107 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:30,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-15 22:57:30,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2023-12-15 22:57:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 96 states have internal predecessors, (123), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (21), 17 states have call predecessors, (21), 17 states have call successors, (21) [2023-12-15 22:57:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 161 transitions. [2023-12-15 22:57:30,225 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 161 transitions. Word has length 29 [2023-12-15 22:57:30,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,225 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 161 transitions. [2023-12-15 22:57:30,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2023-12-15 22:57:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:30,241 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,241 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:30,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1078250247, now seen corresponding path program 1 times [2023-12-15 22:57:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735736793] [2023-12-15 22:57:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:30,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735736793] [2023-12-15 22:57:30,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735736793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:30,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157269695] [2023-12-15 22:57:30,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:30,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:30,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:30,300 INFO L87 Difference]: Start difference. First operand 120 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,380 INFO L93 Difference]: Finished difference Result 239 states and 323 transitions. [2023-12-15 22:57:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 22:57:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-12-15 22:57:30,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,381 INFO L225 Difference]: With dead ends: 239 [2023-12-15 22:57:30,381 INFO L226 Difference]: Without dead ends: 121 [2023-12-15 22:57:30,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:30,382 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 50 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 249 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:30,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-15 22:57:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2023-12-15 22:57:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 94 states have internal predecessors, (117), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (21), 17 states have call predecessors, (21), 17 states have call successors, (21) [2023-12-15 22:57:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 155 transitions. [2023-12-15 22:57:30,395 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 155 transitions. Word has length 29 [2023-12-15 22:57:30,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,397 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 155 transitions. [2023-12-15 22:57:30,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 155 transitions. [2023-12-15 22:57:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-15 22:57:30,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,401 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:57:30,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash 465688280, now seen corresponding path program 1 times [2023-12-15 22:57:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846253019] [2023-12-15 22:57:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:57:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:30,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846253019] [2023-12-15 22:57:30,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846253019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559311705] [2023-12-15 22:57:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:30,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:30,452 INFO L87 Difference]: Start difference. First operand 118 states and 155 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,478 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2023-12-15 22:57:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:57:30,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 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 33 [2023-12-15 22:57:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,479 INFO L225 Difference]: With dead ends: 236 [2023-12-15 22:57:30,479 INFO L226 Difference]: Without dead ends: 120 [2023-12-15 22:57:30,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:30,480 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 167 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-15 22:57:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-12-15 22:57:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 96 states have internal predecessors, (119), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (21), 17 states have call predecessors, (21), 17 states have call successors, (21) [2023-12-15 22:57:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 157 transitions. [2023-12-15 22:57:30,486 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 157 transitions. Word has length 33 [2023-12-15 22:57:30,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,486 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 157 transitions. [2023-12-15 22:57:30,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 157 transitions. [2023-12-15 22:57:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-15 22:57:30,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,487 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:57:30,487 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,487 INFO L85 PathProgramCache]: Analyzing trace with hash -121117734, now seen corresponding path program 1 times [2023-12-15 22:57:30,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023222352] [2023-12-15 22:57:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:57:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:30,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023222352] [2023-12-15 22:57:30,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023222352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:30,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485082362] [2023-12-15 22:57:30,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:30,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:30,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:30,531 INFO L87 Difference]: Start difference. First operand 120 states and 157 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,566 INFO L93 Difference]: Finished difference Result 251 states and 337 transitions. [2023-12-15 22:57:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:57:30,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 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 33 [2023-12-15 22:57:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,567 INFO L225 Difference]: With dead ends: 251 [2023-12-15 22:57:30,567 INFO L226 Difference]: Without dead ends: 133 [2023-12-15 22:57:30,568 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 [2023-12-15 22:57:30,568 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 12 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 184 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:30,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-15 22:57:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 122. [2023-12-15 22:57:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 98 states have internal predecessors, (121), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (21), 17 states have call predecessors, (21), 17 states have call successors, (21) [2023-12-15 22:57:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2023-12-15 22:57:30,574 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 159 transitions. Word has length 33 [2023-12-15 22:57:30,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,575 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 159 transitions. [2023-12-15 22:57:30,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 159 transitions. [2023-12-15 22:57:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-15 22:57:30,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,575 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:57:30,575 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1400981412, now seen corresponding path program 1 times [2023-12-15 22:57:30,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834463276] [2023-12-15 22:57:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:57:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:30,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834463276] [2023-12-15 22:57:30,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834463276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:30,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107500511] [2023-12-15 22:57:30,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:30,614 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2023-12-15 22:57:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,650 INFO L93 Difference]: Finished difference Result 350 states and 475 transitions. [2023-12-15 22:57:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:30,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 33 [2023-12-15 22:57:30,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,652 INFO L225 Difference]: With dead ends: 350 [2023-12-15 22:57:30,652 INFO L226 Difference]: Without dead ends: 230 [2023-12-15 22:57:30,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:30,653 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 45 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 120 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:30,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-12-15 22:57:30,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2023-12-15 22:57:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 168 states have (on average 1.3333333333333333) internal successors, (224), 179 states have internal predecessors, (224), 34 states have call successors, (34), 28 states have call predecessors, (34), 25 states have return successors, (44), 31 states have call predecessors, (44), 34 states have call successors, (44) [2023-12-15 22:57:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 302 transitions. [2023-12-15 22:57:30,667 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 302 transitions. Word has length 33 [2023-12-15 22:57:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,667 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 302 transitions. [2023-12-15 22:57:30,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2023-12-15 22:57:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 302 transitions. [2023-12-15 22:57:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-15 22:57:30,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,668 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:57:30,668 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1367248330, now seen corresponding path program 1 times [2023-12-15 22:57:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569948944] [2023-12-15 22:57:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-15 22:57:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:30,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:30,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569948944] [2023-12-15 22:57:30,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569948944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:30,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:30,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:30,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706359783] [2023-12-15 22:57:30,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:30,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:30,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:30,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:30,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:30,758 INFO L87 Difference]: Start difference. First operand 228 states and 302 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-15 22:57:30,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:30,918 INFO L93 Difference]: Finished difference Result 586 states and 802 transitions. [2023-12-15 22:57:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-15 22:57:30,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 37 [2023-12-15 22:57:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:30,920 INFO L225 Difference]: With dead ends: 586 [2023-12-15 22:57:30,920 INFO L226 Difference]: Without dead ends: 360 [2023-12-15 22:57:30,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:57:30,921 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 141 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:30,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 241 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-15 22:57:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 351. [2023-12-15 22:57:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 261 states have (on average 1.3026819923371646) internal successors, (340), 280 states have internal predecessors, (340), 49 states have call successors, (49), 39 states have call predecessors, (49), 40 states have return successors, (75), 46 states have call predecessors, (75), 49 states have call successors, (75) [2023-12-15 22:57:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 464 transitions. [2023-12-15 22:57:30,940 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 464 transitions. Word has length 37 [2023-12-15 22:57:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:30,940 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 464 transitions. [2023-12-15 22:57:30,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-15 22:57:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2023-12-15 22:57:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-15 22:57:30,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:30,941 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:30,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:57:30,941 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:30,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:30,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2108259256, now seen corresponding path program 1 times [2023-12-15 22:57:30,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:30,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069308975] [2023-12-15 22:57:30,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:30,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-15 22:57:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:57:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:57:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-15 22:57:31,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:31,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069308975] [2023-12-15 22:57:31,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069308975] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:31,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315476614] [2023-12-15 22:57:31,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:31,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:31,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:31,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:57:31,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:57:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:31,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:57:31,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:57:31,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-15 22:57:31,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315476614] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:31,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:31,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2023-12-15 22:57:31,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141127370] [2023-12-15 22:57:31,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:31,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-15 22:57:31,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:31,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-15 22:57:31,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-12-15 22:57:31,304 INFO L87 Difference]: Start difference. First operand 351 states and 464 transitions. Second operand has 14 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-15 22:57:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:31,725 INFO L93 Difference]: Finished difference Result 728 states and 993 transitions. [2023-12-15 22:57:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-15 22:57:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 63 [2023-12-15 22:57:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:31,725 INFO L225 Difference]: With dead ends: 728 [2023-12-15 22:57:31,726 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:57:31,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 136 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2023-12-15 22:57:31,727 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 188 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:31,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 557 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:57:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:57:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:57:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:57:31,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2023-12-15 22:57:31,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:31,729 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:57:31,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-15 22:57:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:57:31,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:57:31,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:57:31,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:57:31,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 22:57:31,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:57:32,858 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2023-12-15 22:57:32,858 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2023-12-15 22:57:32,858 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2023-12-15 22:57:32,858 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 665 676) the Hoare annotation is: true [2023-12-15 22:57:32,858 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2023-12-15 22:57:32,861 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (and (or (< 1 |old(~waterLevel~0)|) (and .cse0 (<= ~waterLevel~0 1) .cse1) (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3 (and .cse0 (<= ~waterLevel~0 2) .cse1)))) [2023-12-15 22:57:32,861 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 718 731) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 792) no Hoare annotation was computed. [2023-12-15 22:57:32,862 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 797) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L895 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (= 0 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (and (or (< 1 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2) (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse4) (or (and (= ~pumpRunning~0 0) .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)) (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 2)) .cse3 .cse4 (and .cse0 (<= ~waterLevel~0 2) .cse2)))) [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 754) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L748-2(lines 744 766) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 741 767) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5) (or (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1))) [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L645-2(lines 641 652) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L895 garLoopResultBuilder]: At program point L922(line 922) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5) (or (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1))) [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L922-1(line 922) no Hoare annotation was computed. [2023-12-15 22:57:32,863 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_processEnvironment_~tmp~5#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse1)) .cse2))) [2023-12-15 22:57:32,863 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 949) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 952) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point L935-1(lines 927 955) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point L86(lines 61 90) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-12-15 22:57:32,864 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2023-12-15 22:57:32,864 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 61 90) the Hoare annotation is: true [2023-12-15 22:57:32,864 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2023-12-15 22:57:32,865 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 158) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2023-12-15 22:57:32,865 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 902) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 902) no Hoare annotation was computed. [2023-12-15 22:57:32,865 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2023-12-15 22:57:32,865 INFO L899 garLoopResultBuilder]: For program point L628(lines 567 632) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 653 664) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< ~switchedOnBeforeTS~0 1) .cse4 .cse5 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2023-12-15 22:57:32,866 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 828 836) no Hoare annotation was computed. [2023-12-15 22:57:32,866 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 828 836) the Hoare annotation is: true [2023-12-15 22:57:32,868 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:32,869 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:57:32,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:32 BoogieIcfgContainer [2023-12-15 22:57:32,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:57:32,880 INFO L158 Benchmark]: Toolchain (without parser) took 5308.52ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 155.2MB in the beginning and 207.1MB in the end (delta: -51.9MB). Peak memory consumption was 128.5MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,880 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 204.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:32,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.62ms. Allocated memory is still 204.5MB. Free memory was 154.7MB in the beginning and 135.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.86ms. Allocated memory is still 204.5MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,880 INFO L158 Benchmark]: Boogie Preprocessor took 45.10ms. Allocated memory is still 204.5MB. Free memory was 133.2MB in the beginning and 130.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,880 INFO L158 Benchmark]: RCFGBuilder took 578.01ms. Allocated memory is still 204.5MB. Free memory was 130.6MB in the beginning and 109.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,881 INFO L158 Benchmark]: TraceAbstraction took 4267.96ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 109.1MB in the beginning and 207.1MB in the end (delta: -98.0MB). Peak memory consumption was 82.3MB. Max. memory is 8.0GB. [2023-12-15 22:57:32,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 204.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 370.62ms. Allocated memory is still 204.5MB. Free memory was 154.7MB in the beginning and 135.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.86ms. Allocated memory is still 204.5MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.10ms. Allocated memory is still 204.5MB. Free memory was 133.2MB in the beginning and 130.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 578.01ms. Allocated memory is still 204.5MB. Free memory was 130.6MB in the beginning and 109.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 4267.96ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 109.1MB in the beginning and 207.1MB in the end (delta: -98.0MB). Peak memory consumption was 82.3MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 164]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] - GenericResultAtLocation [Line: 732]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] * 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: 54]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 599 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 1972 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1293 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1029 IncrementalHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 679 mSDtfsCounter, 1029 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 191 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=9, InterpolantAutomatonStates: 63, 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, 10 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 473 PreInvPairs, 568 NumberOfFragments, 555 HoareAnnotationTreeSize, 473 FormulaSimplifications, 777 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FormulaSimplificationsInter, 3337 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 840 SizeOfPredicates, 3 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 73/87 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: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning) && (tmp == 1)) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((pumpRunning == 0) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 2))) RESULT: Ultimate proved your program to be correct! [2023-12-15 22:57:32,918 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...