/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:20,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:20,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:57:20,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:20,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:20,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:20,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:20,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:20,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:20,521 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:20,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:20,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:20,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:20,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:20,523 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:20,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:20,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:20,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:20,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:20,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:20,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:20,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:20,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:20,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:20,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:20,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:20,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:20,529 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:20,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:20,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:20,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:20,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:20,749 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:20,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2023-12-15 22:57:21,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:21,955 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:21,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2023-12-15 22:57:21,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6725cc3b/be750a01d90041e3815d4b9c2d5bf885/FLAG6656c193b [2023-12-15 22:57:21,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6725cc3b/be750a01d90041e3815d4b9c2d5bf885 [2023-12-15 22:57:21,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:21,977 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:21,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:21,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:21,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:21,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:21" (1/1) ... [2023-12-15 22:57:21,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa5f7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:21, skipping insertion in model container [2023-12-15 22:57:21,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:21" (1/1) ... [2023-12-15 22:57:22,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:22,223 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_product24.cil.c[18746,18759] [2023-12-15 22:57:22,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:22,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:22,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-15 22:57:22,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2023-12-15 22:57:22,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] [2023-12-15 22:57:22,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] [2023-12-15 22:57:22,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] [2023-12-15 22:57:22,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] [2023-12-15 22:57:22,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] [2023-12-15 22:57:22,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] [2023-12-15 22:57:22,314 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_product24.cil.c[18746,18759] [2023-12-15 22:57:22,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:22,327 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:22,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22 WrapperNode [2023-12-15 22:57:22,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:22,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:22,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:22,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:22,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,360 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 203 [2023-12-15 22:57:22,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:22,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:22,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:22,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:22,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,379 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:57:22,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:22,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:22,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:22,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:22,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (1/1) ... [2023-12-15 22:57:22,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:22,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:57:22,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:57:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:57:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:57:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:57:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:22,494 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:22,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:22,675 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:22,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:22,724 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:22,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:22 BoogieIcfgContainer [2023-12-15 22:57:22,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:22,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:22,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:22,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:22,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:21" (1/3) ... [2023-12-15 22:57:22,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18814676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:22, skipping insertion in model container [2023-12-15 22:57:22,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:22" (2/3) ... [2023-12-15 22:57:22,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18814676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:22, skipping insertion in model container [2023-12-15 22:57:22,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:22" (3/3) ... [2023-12-15 22:57:22,729 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2023-12-15 22:57:22,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:22,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:22,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:22,781 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;@609447db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:22,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 49 states have (on average 1.530612244897959) internal successors, (75), 58 states have internal predecessors, (75), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-15 22:57:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:22,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:22,792 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:22,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:22,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1268198339, now seen corresponding path program 1 times [2023-12-15 22:57:22,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:22,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525876002] [2023-12-15 22:57:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:22,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:22,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:22,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525876002] [2023-12-15 22:57:22,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525876002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:22,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:22,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:22,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160564094] [2023-12-15 22:57:22,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:22,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:22,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:23,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:23,016 INFO L87 Difference]: Start difference. First operand has 74 states, 49 states have (on average 1.530612244897959) internal successors, (75), 58 states have internal predecessors, (75), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:23,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:23,084 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-15 22:57:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:23,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-15 22:57:23,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:23,094 INFO L225 Difference]: With dead ends: 146 [2023-12-15 22:57:23,094 INFO L226 Difference]: Without dead ends: 69 [2023-12-15 22:57:23,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:23,100 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:23,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:23,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-15 22:57:23,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-15 22:57:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 54 states have internal predecessors, (65), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 22:57:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-15 22:57:23,129 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 22 [2023-12-15 22:57:23,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:23,129 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-15 22:57:23,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-15 22:57:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:23,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:23,131 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:23,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:23,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:23,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1733657784, now seen corresponding path program 1 times [2023-12-15 22:57:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:23,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693829648] [2023-12-15 22:57:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:23,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:23,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:23,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693829648] [2023-12-15 22:57:23,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693829648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:23,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:23,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:23,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055904866] [2023-12-15 22:57:23,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:23,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:23,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:23,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:23,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:23,204 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:23,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:23,227 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-15 22:57:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:23,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-15 22:57:23,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:23,228 INFO L225 Difference]: With dead ends: 108 [2023-12-15 22:57:23,228 INFO L226 Difference]: Without dead ends: 61 [2023-12-15 22:57:23,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:23,230 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:23,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-15 22:57:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-15 22:57:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 49 states have internal predecessors, (59), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 22:57:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-15 22:57:23,243 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 23 [2023-12-15 22:57:23,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:23,243 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-15 22:57:23,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-15 22:57:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:23,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:23,244 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:23,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:23,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:23,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1609057033, now seen corresponding path program 1 times [2023-12-15 22:57:23,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:23,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780893851] [2023-12-15 22:57:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:23,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:23,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780893851] [2023-12-15 22:57:23,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780893851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:23,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:23,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679585005] [2023-12-15 22:57:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:23,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:23,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:23,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:23,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:23,331 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:23,447 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2023-12-15 22:57:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:23,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-15 22:57:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:23,465 INFO L225 Difference]: With dead ends: 161 [2023-12-15 22:57:23,465 INFO L226 Difference]: Without dead ends: 102 [2023-12-15 22:57:23,466 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 [2023-12-15 22:57:23,466 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 103 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:23,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 183 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-15 22:57:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2023-12-15 22:57:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 79 states have internal predecessors, (98), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (19), 13 states have call predecessors, (19), 18 states have call successors, (19) [2023-12-15 22:57:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 135 transitions. [2023-12-15 22:57:23,477 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 135 transitions. Word has length 26 [2023-12-15 22:57:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:23,477 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 135 transitions. [2023-12-15 22:57:23,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2023-12-15 22:57:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:23,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:23,479 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:23,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:23,479 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:23,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash -909165019, now seen corresponding path program 1 times [2023-12-15 22:57:23,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:23,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254405063] [2023-12-15 22:57:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:23,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:23,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254405063] [2023-12-15 22:57:23,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254405063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:23,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:23,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:23,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72810740] [2023-12-15 22:57:23,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:23,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:23,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:23,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:23,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:23,617 INFO L87 Difference]: Start difference. First operand 99 states and 135 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:23,707 INFO L93 Difference]: Finished difference Result 176 states and 242 transitions. [2023-12-15 22:57:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 22:57:23,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-12-15 22:57:23,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:23,708 INFO L225 Difference]: With dead ends: 176 [2023-12-15 22:57:23,708 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:57:23,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:23,719 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 48 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:23,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 141 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:23,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:57:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:57:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:57:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:57:23,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-12-15 22:57:23,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:23,723 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:57:23,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:57:23,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:57:23,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:57:23,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:23,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:57:23,869 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 389 396) no Hoare annotation was computed. [2023-12-15 22:57:23,870 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 389 396) the Hoare annotation is: true [2023-12-15 22:57:23,870 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 322 328) no Hoare annotation was computed. [2023-12-15 22:57:23,870 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 322 328) the Hoare annotation is: true [2023-12-15 22:57:23,870 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2023-12-15 22:57:23,870 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 187 198) the Hoare annotation is: true [2023-12-15 22:57:23,871 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 187 198) no Hoare annotation was computed. [2023-12-15 22:57:23,871 INFO L899 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2023-12-15 22:57:23,871 INFO L895 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:57:23,871 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:57:23,871 INFO L895 garLoopResultBuilder]: At program point L961(line 961) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:23,871 INFO L899 garLoopResultBuilder]: For program point L961-1(line 961) no Hoare annotation was computed. [2023-12-15 22:57:23,872 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-12-15 22:57:23,872 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 356 380) no Hoare annotation was computed. [2023-12-15 22:57:23,872 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 309 315) no Hoare annotation was computed. [2023-12-15 22:57:23,872 INFO L895 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:23,872 INFO L899 garLoopResultBuilder]: For program point L946-1(line 946) no Hoare annotation was computed. [2023-12-15 22:57:23,872 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 308) no Hoare annotation was computed. [2023-12-15 22:57:23,872 INFO L899 garLoopResultBuilder]: For program point L302-2(lines 298 320) no Hoare annotation was computed. [2023-12-15 22:57:23,873 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 372) no Hoare annotation was computed. [2023-12-15 22:57:23,873 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 295 321) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:57:23,873 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 377) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 973) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 976) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L959-1(lines 951 979) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 295 321) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L167-2(lines 163 174) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 970) no Hoare annotation was computed. [2023-12-15 22:57:23,874 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-15 22:57:23,875 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:57:23,875 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-15 22:57:23,876 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-15 22:57:23,876 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-15 22:57:23,877 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:57:23,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-15 22:57:23,881 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-15 22:57:23,881 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-15 22:57:23,884 INFO L895 garLoopResultBuilder]: At program point L556(lines 505 557) the Hoare annotation is: false [2023-12-15 22:57:23,884 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2023-12-15 22:57:23,884 INFO L895 garLoopResultBuilder]: At program point L478(line 478) the Hoare annotation is: false [2023-12-15 22:57:23,884 INFO L895 garLoopResultBuilder]: At program point L544-2(lines 536 551) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:23,884 INFO L899 garLoopResultBuilder]: For program point L507(lines 506 555) no Hoare annotation was computed. [2023-12-15 22:57:23,884 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 551) no Hoare annotation was computed. [2023-12-15 22:57:23,884 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:23,884 INFO L895 garLoopResultBuilder]: At program point L553(lines 506 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:23,884 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 482) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 476 482) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L559(lines 496 563) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 532) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 526 532) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:57:23,885 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 175 186) no Hoare annotation was computed. [2023-12-15 22:57:23,885 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 175 186) the Hoare annotation is: true [2023-12-15 22:57:23,886 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2023-12-15 22:57:23,886 INFO L895 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-15 22:57:23,886 INFO L899 garLoopResultBuilder]: For program point L349-1(lines 330 354) no Hoare annotation was computed. [2023-12-15 22:57:23,886 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 330 354) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-15 22:57:23,886 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 330 354) no Hoare annotation was computed. [2023-12-15 22:57:23,886 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-15 22:57:23,887 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-15 22:57:23,887 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 346) no Hoare annotation was computed. [2023-12-15 22:57:23,887 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 351) no Hoare annotation was computed. [2023-12-15 22:57:23,888 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2023-12-15 22:57:23,888 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2023-12-15 22:57:23,888 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 408 416) no Hoare annotation was computed. [2023-12-15 22:57:23,888 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 408 416) the Hoare annotation is: true [2023-12-15 22:57:23,890 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 22:57:23,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:57:23,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:23 BoogieIcfgContainer [2023-12-15 22:57:23,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:57:23,899 INFO L158 Benchmark]: Toolchain (without parser) took 1921.97ms. Allocated memory is still 199.2MB. Free memory was 164.3MB in the beginning and 90.0MB in the end (delta: 74.3MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,899 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 199.2MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:23,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.29ms. Allocated memory is still 199.2MB. Free memory was 164.3MB in the beginning and 144.3MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 199.2MB. Free memory was 144.3MB in the beginning and 141.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,900 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 199.2MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,900 INFO L158 Benchmark]: RCFGBuilder took 333.82ms. Allocated memory is still 199.2MB. Free memory was 139.8MB in the beginning and 117.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,900 INFO L158 Benchmark]: TraceAbstraction took 1173.41ms. Allocated memory is still 199.2MB. Free memory was 116.7MB in the beginning and 90.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. [2023-12-15 22:57:23,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 199.2MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.29ms. Allocated memory is still 199.2MB. Free memory was 164.3MB in the beginning and 144.3MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 199.2MB. Free memory was 144.3MB in the beginning and 141.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 199.2MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 333.82ms. Allocated memory is still 199.2MB. Free memory was 139.8MB in the beginning and 117.5MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1173.41ms. Allocated memory is still 199.2MB. Free memory was 116.7MB in the beginning and 90.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.5MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 249]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] - GenericResultAtLocation [Line: 284]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] - GenericResultAtLocation [Line: 930]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] - GenericResultAtLocation [Line: 980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] * 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: 985]: 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 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 532 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 263 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 269 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 157 PreInvPairs, 170 NumberOfFragments, 134 HoareAnnotationTreeSize, 157 FormulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FormulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (tmp == 1)) && (splverifierCounter == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:57:23,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...