/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:13:27,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:13:27,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 10:13:27,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:13:27,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:13:27,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:13:27,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:13:27,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:13:27,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:13:27,334 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:13:27,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:13:27,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:13:27,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:13:27,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:13:27,336 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:13:27,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:13:27,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:13:27,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:13:27,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:13:27,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:13:27,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:13:27,338 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:13:27,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:13:27,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:27,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:13:27,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:13:27,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:13:27,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:13:27,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:13:27,341 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:13:27,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:13:27,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:13:27,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:13:27,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:13:27,549 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:13:27,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2023-12-21 10:13:28,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:13:28,692 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:13:28,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2023-12-21 10:13:28,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212c751cc/db2720feae9641908c296479df7e7b51/FLAG306f9d205 [2023-12-21 10:13:29,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212c751cc/db2720feae9641908c296479df7e7b51 [2023-12-21 10:13:29,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:13:29,089 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:13:29,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:29,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:13:29,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:13:29,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5ba23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29, skipping insertion in model container [2023-12-21 10:13:29,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:13:29,275 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_product42.cil.c[3693,3706] [2023-12-21 10:13:29,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:29,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:13:29,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-21 10:13:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2023-12-21 10:13:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [206] [2023-12-21 10:13:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [215] [2023-12-21 10:13:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [250] [2023-12-21 10:13:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] [2023-12-21 10:13:29,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [714] [2023-12-21 10:13:29,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [782] [2023-12-21 10:13:29,404 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_product42.cil.c[3693,3706] [2023-12-21 10:13:29,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:29,449 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:13:29,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29 WrapperNode [2023-12-21 10:13:29,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:29,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:29,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:13:29,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:13:29,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,484 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 201 [2023-12-21 10:13:29,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:29,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:13:29,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:13:29,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:13:29,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,508 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]. [2023-12-21 10:13:29,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:13:29,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:13:29,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:13:29,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:13:29,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (1/1) ... [2023-12-21 10:13:29,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:29,566 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) [2023-12-21 10:13:29,588 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 [2023-12-21 10:13:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:13:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-21 10:13:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-21 10:13:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-21 10:13:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-21 10:13:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-21 10:13:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-21 10:13:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-21 10:13:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-21 10:13:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-21 10:13:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-21 10:13:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:13:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-21 10:13:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-21 10:13:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:13:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:13:29,668 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:13:29,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:13:29,835 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:13:29,873 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:13:29,873 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-21 10:13:29,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:29 BoogieIcfgContainer [2023-12-21 10:13:29,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:13:29,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:13:29,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:13:29,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:13:29,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:13:29" (1/3) ... [2023-12-21 10:13:29,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b75a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:29, skipping insertion in model container [2023-12-21 10:13:29,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:29" (2/3) ... [2023-12-21 10:13:29,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b75a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:29, skipping insertion in model container [2023-12-21 10:13:29,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:29" (3/3) ... [2023-12-21 10:13:29,878 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2023-12-21 10:13:29,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:13:29,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:13:29,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:13:29,923 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;@4bb3f9e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:13:29,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:13:29,925 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) [2023-12-21 10:13:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-21 10:13:29,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:29,933 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] [2023-12-21 10:13:29,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:29,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1728341843, now seen corresponding path program 1 times [2023-12-21 10:13:29,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:29,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846405821] [2023-12-21 10:13:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846405821] [2023-12-21 10:13:30,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846405821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 10:13:30,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246859210] [2023-12-21 10:13:30,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:13:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:13:30,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:13:30,101 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) [2023-12-21 10:13:30,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,154 INFO L93 Difference]: Finished difference Result 126 states and 183 transitions. [2023-12-21 10:13:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:13:30,155 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 [2023-12-21 10:13:30,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,161 INFO L225 Difference]: With dead ends: 126 [2023-12-21 10:13:30,161 INFO L226 Difference]: Without dead ends: 59 [2023-12-21 10:13:30,164 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 [2023-12-21 10:13:30,166 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 [2023-12-21 10:13:30,167 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] [2023-12-21 10:13:30,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-21 10:13:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-21 10:13:30,193 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) [2023-12-21 10:13:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2023-12-21 10:13:30,196 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 22 [2023-12-21 10:13:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,196 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2023-12-21 10:13:30,196 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) [2023-12-21 10:13:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2023-12-21 10:13:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-21 10:13:30,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,199 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] [2023-12-21 10:13:30,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:13:30,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,200 INFO L85 PathProgramCache]: Analyzing trace with hash 56085875, now seen corresponding path program 1 times [2023-12-21 10:13:30,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511871871] [2023-12-21 10:13:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-21 10:13:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511871871] [2023-12-21 10:13:30,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511871871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:13:30,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83341804] [2023-12-21 10:13:30,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:30,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:30,281 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) [2023-12-21 10:13:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,307 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2023-12-21 10:13:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:30,307 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 [2023-12-21 10:13:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,308 INFO L225 Difference]: With dead ends: 91 [2023-12-21 10:13:30,308 INFO L226 Difference]: Without dead ends: 51 [2023-12-21 10:13:30,309 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 [2023-12-21 10:13:30,310 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:30,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 103 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:30,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-21 10:13:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-21 10:13:30,315 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) [2023-12-21 10:13:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-12-21 10:13:30,315 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 69 transitions. Word has length 23 [2023-12-21 10:13:30,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,316 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-12-21 10:13:30,316 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) [2023-12-21 10:13:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-12-21 10:13:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-21 10:13:30,316 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,317 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] [2023-12-21 10:13:30,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:13:30,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1967676327, now seen corresponding path program 1 times [2023-12-21 10:13:30,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82458398] [2023-12-21 10:13:30,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 10:13:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82458398] [2023-12-21 10:13:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82458398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:13:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766947607] [2023-12-21 10:13:30,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:13:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:13:30,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:13:30,425 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) [2023-12-21 10:13:30,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,470 INFO L93 Difference]: Finished difference Result 100 states and 137 transitions. [2023-12-21 10:13:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 10:13:30,471 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 [2023-12-21 10:13:30,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,472 INFO L225 Difference]: With dead ends: 100 [2023-12-21 10:13:30,472 INFO L226 Difference]: Without dead ends: 51 [2023-12-21 10:13:30,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:13:30,476 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 72 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:30,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 96 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-21 10:13:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-21 10:13:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 43 states have internal predecessors, (54), 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) [2023-12-21 10:13:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2023-12-21 10:13:30,482 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 26 [2023-12-21 10:13:30,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,483 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2023-12-21 10:13:30,483 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) [2023-12-21 10:13:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-12-21 10:13:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-21 10:13:30,484 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,484 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] [2023-12-21 10:13:30,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:13:30,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1904650640, now seen corresponding path program 1 times [2023-12-21 10:13:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465092085] [2023-12-21 10:13:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 10:13:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 10:13:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465092085] [2023-12-21 10:13:30,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465092085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:13:30,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126846488] [2023-12-21 10:13:30,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:30,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:30,519 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 10:13:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,562 INFO L93 Difference]: Finished difference Result 139 states and 187 transitions. [2023-12-21 10:13:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:30,563 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-12-21 10:13:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,564 INFO L225 Difference]: With dead ends: 139 [2023-12-21 10:13:30,564 INFO L226 Difference]: Without dead ends: 90 [2023-12-21 10:13:30,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:30,565 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 58 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:30,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 112 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:30,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-21 10:13:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2023-12-21 10:13:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 72 states have internal predecessors, (90), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2023-12-21 10:13:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2023-12-21 10:13:30,575 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 116 transitions. Word has length 31 [2023-12-21 10:13:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,575 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 116 transitions. [2023-12-21 10:13:30,576 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 10:13:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2023-12-21 10:13:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-21 10:13:30,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,577 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] [2023-12-21 10:13:30,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:13:30,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash -207451491, now seen corresponding path program 1 times [2023-12-21 10:13:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957473112] [2023-12-21 10:13:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-12-21 10:13:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 10:13:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 10:13:30,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957473112] [2023-12-21 10:13:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957473112] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:13:30,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491472689] [2023-12-21 10:13:30,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:13:30,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:13:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:13:30,673 INFO L87 Difference]: Start difference. First operand 88 states and 116 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 10:13:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,754 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2023-12-21 10:13:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 10:13:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2023-12-21 10:13:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,755 INFO L225 Difference]: With dead ends: 175 [2023-12-21 10:13:30,755 INFO L226 Difference]: Without dead ends: 89 [2023-12-21 10:13:30,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:13:30,761 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 42 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:30,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 269 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-21 10:13:30,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2023-12-21 10:13:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.359375) internal successors, (87), 71 states have internal predecessors, (87), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2023-12-21 10:13:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2023-12-21 10:13:30,770 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 36 [2023-12-21 10:13:30,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,770 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2023-12-21 10:13:30,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 10:13:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-12-21 10:13:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-21 10:13:30,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,771 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] [2023-12-21 10:13:30,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 10:13:30,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,772 INFO L85 PathProgramCache]: Analyzing trace with hash -639038203, now seen corresponding path program 1 times [2023-12-21 10:13:30,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070621404] [2023-12-21 10:13:30,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:13:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070621404] [2023-12-21 10:13:30,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070621404] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:13:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665148484] [2023-12-21 10:13:30,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:13:30,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:13:30,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:13:30,855 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-12-21 10:13:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:30,883 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2023-12-21 10:13:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 10:13:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 35 [2023-12-21 10:13:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:30,885 INFO L225 Difference]: With dead ends: 175 [2023-12-21 10:13:30,885 INFO L226 Difference]: Without dead ends: 90 [2023-12-21 10:13:30,886 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 [2023-12-21 10:13:30,887 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 164 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 [2023-12-21 10:13:30,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 164 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-21 10:13:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2023-12-21 10:13:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2023-12-21 10:13:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2023-12-21 10:13:30,899 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 35 [2023-12-21 10:13:30,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:30,900 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2023-12-21 10:13:30,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-12-21 10:13:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2023-12-21 10:13:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-21 10:13:30,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:30,903 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] [2023-12-21 10:13:30,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 10:13:30,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:30,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1918901881, now seen corresponding path program 1 times [2023-12-21 10:13:30,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:30,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946510568] [2023-12-21 10:13:30,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:13:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:30,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:30,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946510568] [2023-12-21 10:13:30,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946510568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:30,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:30,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:13:30,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772009677] [2023-12-21 10:13:30,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:30,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:13:30,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:13:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:13:30,973 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-12-21 10:13:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:31,006 INFO L93 Difference]: Finished difference Result 189 states and 250 transitions. [2023-12-21 10:13:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 10:13:31,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 35 [2023-12-21 10:13:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:31,008 INFO L225 Difference]: With dead ends: 189 [2023-12-21 10:13:31,008 INFO L226 Difference]: Without dead ends: 102 [2023-12-21 10:13:31,009 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 [2023-12-21 10:13:31,010 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 12 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 179 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 [2023-12-21 10:13:31,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 179 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:31,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-21 10:13:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 91. [2023-12-21 10:13:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.338235294117647) internal successors, (91), 75 states have internal predecessors, (91), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2023-12-21 10:13:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2023-12-21 10:13:31,027 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 35 [2023-12-21 10:13:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:31,028 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2023-12-21 10:13:31,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-12-21 10:13:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2023-12-21 10:13:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-21 10:13:31,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:31,032 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] [2023-12-21 10:13:31,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 10:13:31,032 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:31,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash 787717513, now seen corresponding path program 1 times [2023-12-21 10:13:31,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689980483] [2023-12-21 10:13:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 10:13:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689980483] [2023-12-21 10:13:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689980483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:31,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:31,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:13:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552273702] [2023-12-21 10:13:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:31,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:31,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:31,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:31,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:31,098 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-12-21 10:13:31,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:31,129 INFO L93 Difference]: Finished difference Result 256 states and 343 transitions. [2023-12-21 10:13:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:31,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 35 [2023-12-21 10:13:31,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:31,133 INFO L225 Difference]: With dead ends: 256 [2023-12-21 10:13:31,133 INFO L226 Difference]: Without dead ends: 167 [2023-12-21 10:13:31,134 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 [2023-12-21 10:13:31,135 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:31,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 118 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:31,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-21 10:13:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2023-12-21 10:13:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 131 states have internal predecessors, (162), 24 states have call successors, (24), 20 states have call predecessors, (24), 18 states have return successors, (30), 22 states have call predecessors, (30), 24 states have call successors, (30) [2023-12-21 10:13:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2023-12-21 10:13:31,156 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 35 [2023-12-21 10:13:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:31,157 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2023-12-21 10:13:31,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-12-21 10:13:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2023-12-21 10:13:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-21 10:13:31,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:31,159 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, 1, 1] [2023-12-21 10:13:31,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 10:13:31,159 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:31,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1970447965, now seen corresponding path program 1 times [2023-12-21 10:13:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:31,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5999903] [2023-12-21 10:13:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:31,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 10:13:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:31,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:31,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5999903] [2023-12-21 10:13:31,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5999903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:31,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:31,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:13:31,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497361014] [2023-12-21 10:13:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:31,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:13:31,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:31,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:13:31,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:13:31,251 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2023-12-21 10:13:31,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:31,426 INFO L93 Difference]: Finished difference Result 430 states and 582 transitions. [2023-12-21 10:13:31,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 10:13:31,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 39 [2023-12-21 10:13:31,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:31,429 INFO L225 Difference]: With dead ends: 430 [2023-12-21 10:13:31,430 INFO L226 Difference]: Without dead ends: 267 [2023-12-21 10:13:31,430 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 [2023-12-21 10:13:31,432 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 141 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:31,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 232 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-21 10:13:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 260. [2023-12-21 10:13:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 195 states have (on average 1.2923076923076924) internal successors, (252), 211 states have internal predecessors, (252), 35 states have call successors, (35), 27 states have call predecessors, (35), 29 states have return successors, (54), 33 states have call predecessors, (54), 35 states have call successors, (54) [2023-12-21 10:13:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 341 transitions. [2023-12-21 10:13:31,454 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 341 transitions. Word has length 39 [2023-12-21 10:13:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:31,454 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 341 transitions. [2023-12-21 10:13:31,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2023-12-21 10:13:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 341 transitions. [2023-12-21 10:13:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-21 10:13:31,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:31,456 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, 1, 1] [2023-12-21 10:13:31,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 10:13:31,457 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:31,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1463698715, now seen corresponding path program 1 times [2023-12-21 10:13:31,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:31,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385311404] [2023-12-21 10:13:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:13:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 10:13:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 10:13:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 10:13:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-21 10:13:31,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:31,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385311404] [2023-12-21 10:13:31,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385311404] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:13:31,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862707250] [2023-12-21 10:13:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:31,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:31,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:31,599 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) [2023-12-21 10:13:31,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 10:13:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:31,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 10:13:31,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:13:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:13:31,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:13:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-21 10:13:31,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862707250] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:13:31,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:13:31,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2023-12-21 10:13:31,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054437290] [2023-12-21 10:13:31,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:13:31,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-21 10:13:31,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:31,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-21 10:13:31,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-12-21 10:13:31,962 INFO L87 Difference]: Start difference. First operand 260 states and 341 transitions. Second operand has 14 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 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) [2023-12-21 10:13:32,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:32,391 INFO L93 Difference]: Finished difference Result 516 states and 697 transitions. [2023-12-21 10:13:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-21 10:13:32,392 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 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 65 [2023-12-21 10:13:32,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:32,394 INFO L225 Difference]: With dead ends: 516 [2023-12-21 10:13:32,395 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 10:13:32,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2023-12-21 10:13:32,397 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 177 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:32,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 682 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 10:13:32,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 10:13:32,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 10:13:32,398 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) [2023-12-21 10:13:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 10:13:32,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2023-12-21 10:13:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:32,398 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 10:13:32,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 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) [2023-12-21 10:13:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 10:13:32,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 10:13:32,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 10:13:32,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 10:13:32,606 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 [2023-12-21 10:13:32,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 10:13:33,383 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2023-12-21 10:13:33,383 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2023-12-21 10:13:33,383 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 647 658) the Hoare annotation is: true [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-21 10:13:33,384 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_processEnvironment_~tmp~6#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse2 .cse0))) [2023-12-21 10:13:33,384 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 700 713) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L895 garLoopResultBuilder]: At program point L82(line 82) 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)) .cse4 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 2)) .cse3 .cse4 (and .cse0 (<= ~waterLevel~0 2) .cse2)))) [2023-12-21 10:13:33,385 INFO L899 garLoopResultBuilder]: For program point L627-2(lines 623 634) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) (and .cse1 (<= ~waterLevel~0 1) .cse2) (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse3 .cse0 (and .cse1 (<= ~waterLevel~0 2) .cse2)))) [2023-12-21 10:13:33,385 INFO L899 garLoopResultBuilder]: For program point L842-1(lines 823 847) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-12-21 10:13:33,385 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 788 814) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse4 .cse2 (and .cse5 .cse0 .cse1) .cse3) (or (and .cse5 (= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 2)) .cse4 .cse2))) [2023-12-21 10:13:33,386 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse4 .cse2 (and .cse5 .cse0 .cse1) .cse3) (or (and .cse5 (= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 2)) .cse4 .cse2))) [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L864-2(lines 857 873) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2023-12-21 10:13:33,386 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point L129(lines 104 133) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-12-21 10:13:33,387 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-12-21 10:13:33,387 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-12-21 10:13:33,387 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-21 10:13:33,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-12-21 10:13:33,388 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2023-12-21 10:13:33,388 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L777(lines 716 781) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2023-12-21 10:13:33,389 INFO L899 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2023-12-21 10:13:33,390 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 646) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (< ~switchedOnBeforeTS~0 1) .cse1 .cse2 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse5 .cse2) (or .cse3 .cse4 .cse5 .cse2))) [2023-12-21 10:13:33,390 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2023-12-21 10:13:33,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 893 901) the Hoare annotation is: true [2023-12-21 10:13:33,392 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:33,393 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:13:33,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:13:33 BoogieIcfgContainer [2023-12-21 10:13:33,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:13:33,403 INFO L158 Benchmark]: Toolchain (without parser) took 4314.26ms. Allocated memory is still 374.3MB. Free memory was 314.6MB in the beginning and 161.4MB in the end (delta: 153.1MB). Peak memory consumption was 153.5MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,403 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 211.8MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:13:33,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.84ms. Allocated memory is still 374.3MB. Free memory was 314.2MB in the beginning and 294.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.68ms. Allocated memory is still 374.3MB. Free memory was 294.6MB in the beginning and 292.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,404 INFO L158 Benchmark]: Boogie Preprocessor took 44.50ms. Allocated memory is still 374.3MB. Free memory was 292.2MB in the beginning and 289.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,404 INFO L158 Benchmark]: RCFGBuilder took 343.43ms. Allocated memory is still 374.3MB. Free memory was 289.8MB in the beginning and 324.6MB in the end (delta: -34.8MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,404 INFO L158 Benchmark]: TraceAbstraction took 3527.81ms. Allocated memory is still 374.3MB. Free memory was 324.1MB in the beginning and 161.4MB in the end (delta: 162.7MB). Peak memory consumption was 162.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:33,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 211.8MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 358.84ms. Allocated memory is still 374.3MB. Free memory was 314.2MB in the beginning and 294.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.68ms. Allocated memory is still 374.3MB. Free memory was 294.6MB in the beginning and 292.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.50ms. Allocated memory is still 374.3MB. Free memory was 292.2MB in the beginning and 289.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 343.43ms. Allocated memory is still 374.3MB. Free memory was 289.8MB in the beginning and 324.6MB in the end (delta: -34.8MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3527.81ms. Allocated memory is still 374.3MB. Free memory was 324.1MB in the beginning and 161.4MB in the end (delta: 162.7MB). Peak memory consumption was 162.1MB. 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [206] - GenericResultAtLocation [Line: 215]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [215] - GenericResultAtLocation [Line: 250]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [250] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [714] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [782] * 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: 211]: 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: 3.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 575 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 555 mSDsluCounter, 2027 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1361 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1122 IncrementalHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 666 mSDtfsCounter, 1122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 202 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=9, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 325 PreInvPairs, 378 NumberOfFragments, 656 HoareAnnotationTreeSize, 325 FormulaSimplifications, 336 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FormulaSimplificationsInter, 1562 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 852 SizeOfPredicates, 3 NumberOfNonLiveVariables, 277 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: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning) && (2 == waterLevel)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) || (((((pumpRunning == 0) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-12-21 10:13:33,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...