/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:13:12,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:13:12,725 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 10:13:12,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:13:12,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:13:12,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:13:12,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:13:12,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:13:12,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:13:12,756 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:13:12,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:13:12,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:13:12,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:13:12,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:13:12,758 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:13:12,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:13:12,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:13:12,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:13:12,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:13:12,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:13:12,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:13:12,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:13:12,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:13:12,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:13:12,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:13:12,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:13:12,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:13:12,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:13:12,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:13:12,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:13:12,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:13:12,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:13:12,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:12,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:13:12,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:13:12,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:13:12,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:13:12,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:13:12,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:13:12,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:13:12,985 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:13:12,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2023-12-21 10:13:14,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:13:14,206 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:13:14,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2023-12-21 10:13:14,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cfc0dfe/db84735eb46544189053e9401357776e/FLAG1ece2e3b7 [2023-12-21 10:13:14,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cfc0dfe/db84735eb46544189053e9401357776e [2023-12-21 10:13:14,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:13:14,225 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:13:14,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:14,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:13:14,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:13:14,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8b94f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14, skipping insertion in model container [2023-12-21 10:13:14,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:13:14,444 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_product14.cil.c[17811,17824] [2023-12-21 10:13:14,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:14,454 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:13:14,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] [2023-12-21 10:13:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2023-12-21 10:13:14,512 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_product14.cil.c[17811,17824] [2023-12-21 10:13:14,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:14,526 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:13:14,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14 WrapperNode [2023-12-21 10:13:14,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:14,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:14,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:13:14,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:13:14,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,564 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 168 [2023-12-21 10:13:14,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:14,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:13:14,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:13:14,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:13:14,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,582 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 10:13:14,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:13:14,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:13:14,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:13:14,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:13:14,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (1/1) ... [2023-12-21 10:13:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:14,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:14,628 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 10:13:14,636 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 10:13:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:13:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-21 10:13:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-21 10:13:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-21 10:13:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-21 10:13:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-21 10:13:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:13:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-21 10:13:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-21 10:13:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-21 10:13:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-21 10:13:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:13:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:13:14,732 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:13:14,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:13:14,952 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:13:14,990 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:13:14,990 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-21 10:13:14,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:14 BoogieIcfgContainer [2023-12-21 10:13:14,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:13:14,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:13:14,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:13:14,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:13:14,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:13:14" (1/3) ... [2023-12-21 10:13:14,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2631bdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:14, skipping insertion in model container [2023-12-21 10:13:14,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:14" (2/3) ... [2023-12-21 10:13:14,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2631bdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:14, skipping insertion in model container [2023-12-21 10:13:14,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:14" (3/3) ... [2023-12-21 10:13:14,996 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2023-12-21 10:13:15,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:13:15,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:13:15,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:13:15,045 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;@3e07c27a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:13:15,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:13:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-21 10:13:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-21 10:13:15,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:15,054 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 10:13:15,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:15,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1309786665, now seen corresponding path program 1 times [2023-12-21 10:13:15,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786447573] [2023-12-21 10:13:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,216 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 10:13:15,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:15,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786447573] [2023-12-21 10:13:15,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786447573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:15,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:15,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 10:13:15,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108844901] [2023-12-21 10:13:15,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:15,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:13:15,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:15,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:13:15,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:13:15,253 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 48 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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 10:13:15,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:15,317 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2023-12-21 10:13:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:13:15,319 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 10:13:15,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:15,325 INFO L225 Difference]: With dead ends: 122 [2023-12-21 10:13:15,325 INFO L226 Difference]: Without dead ends: 57 [2023-12-21 10:13:15,327 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 10:13:15,331 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:15,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:15,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-21 10:13:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-21 10:13:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-21 10:13:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2023-12-21 10:13:15,372 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 22 [2023-12-21 10:13:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:15,372 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2023-12-21 10:13:15,372 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 10:13:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-12-21 10:13:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-21 10:13:15,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:15,377 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 10:13:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:13:15,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:15,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1175730058, now seen corresponding path program 1 times [2023-12-21 10:13:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:15,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905127177] [2023-12-21 10:13:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-21 10:13:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,474 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 10:13:15,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:15,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905127177] [2023-12-21 10:13:15,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905127177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:15,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:15,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:13:15,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119358975] [2023-12-21 10:13:15,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:15,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:15,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:15,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:15,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:15,476 INFO L87 Difference]: Start difference. First operand 57 states and 75 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 10:13:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:15,500 INFO L93 Difference]: Finished difference Result 87 states and 113 transitions. [2023-12-21 10:13:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:15,500 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 10:13:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:15,501 INFO L225 Difference]: With dead ends: 87 [2023-12-21 10:13:15,501 INFO L226 Difference]: Without dead ends: 49 [2023-12-21 10:13:15,502 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 10:13:15,503 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 11 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:15,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 95 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:15,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-21 10:13:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-21 10:13:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.411764705882353) internal successors, (48), 39 states have internal predecessors, (48), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-21 10:13:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2023-12-21 10:13:15,508 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 23 [2023-12-21 10:13:15,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:15,508 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2023-12-21 10:13:15,508 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 10:13:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-12-21 10:13:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-21 10:13:15,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:15,509 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 10:13:15,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:13:15,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:15,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash 198894902, now seen corresponding path program 1 times [2023-12-21 10:13:15,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:15,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179130213] [2023-12-21 10:13:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 10:13:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,603 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 10:13:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179130213] [2023-12-21 10:13:15,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179130213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:15,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:15,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:13:15,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135657080] [2023-12-21 10:13:15,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:15,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:13:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:15,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:13:15,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:13:15,605 INFO L87 Difference]: Start difference. First operand 49 states and 64 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 10:13:15,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:15,660 INFO L93 Difference]: Finished difference Result 96 states and 127 transitions. [2023-12-21 10:13:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 10:13:15,662 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 10:13:15,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:15,664 INFO L225 Difference]: With dead ends: 96 [2023-12-21 10:13:15,664 INFO L226 Difference]: Without dead ends: 49 [2023-12-21 10:13:15,665 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 10:13:15,666 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 67 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:15,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 88 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:15,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-21 10:13:15,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-21 10:13:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 39 states have internal predecessors, (47), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-21 10:13:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2023-12-21 10:13:15,672 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 26 [2023-12-21 10:13:15,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:15,673 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2023-12-21 10:13:15,673 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 10:13:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-12-21 10:13:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-21 10:13:15,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:15,674 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 10:13:15,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:13:15,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:15,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:15,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2095752787, now seen corresponding path program 1 times [2023-12-21 10:13:15,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:15,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081957464] [2023-12-21 10:13:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:15,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 10:13:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 10:13:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:15,803 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 10:13:15,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:15,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081957464] [2023-12-21 10:13:15,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081957464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:15,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:15,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:13:15,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412184573] [2023-12-21 10:13:15,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:15,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:13:15,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:15,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:13:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:13:15,805 INFO L87 Difference]: Start difference. First operand 49 states and 63 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, (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 10:13:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:15,885 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2023-12-21 10:13:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 10:13:15,885 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, (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 31 [2023-12-21 10:13:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:15,886 INFO L225 Difference]: With dead ends: 86 [2023-12-21 10:13:15,886 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 10:13:15,889 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 10:13:15,893 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:15,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 123 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 10:13:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 10:13:15,894 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 10:13:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 10:13:15,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-12-21 10:13:15,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:15,894 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 10:13:15,894 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, (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 10:13:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 10:13:15,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 10:13:15,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 10:13:15,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:13:15,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point L770-1(lines 766 777) no Hoare annotation was computed. [2023-12-21 10:13:15,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 777) the Hoare annotation is: true [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 766 777) no Hoare annotation was computed. [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point L589-2(lines 585 607) no Hoare annotation was computed. [2023-12-21 10:13:15,990 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2023-12-21 10:13:15,991 INFO L899 garLoopResultBuilder]: For program point L746-2(lines 742 753) no Hoare annotation was computed. [2023-12-21 10:13:15,991 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,991 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,992 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-21 10:13:15,992 INFO L895 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,993 INFO L899 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2023-12-21 10:13:15,993 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,993 INFO L899 garLoopResultBuilder]: For program point L636-1(lines 617 641) no Hoare annotation was computed. [2023-12-21 10:13:15,993 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 582 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,994 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2023-12-21 10:13:15,994 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 582 608) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point L129(lines 104 133) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-12-21 10:13:15,995 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-12-21 10:13:15,996 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-12-21 10:13:15,996 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-12-21 10:13:15,998 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-21 10:13:15,998 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-12-21 10:13:15,998 INFO L895 garLoopResultBuilder]: At program point L878(lines 829 879) the Hoare annotation is: false [2023-12-21 10:13:16,002 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-12-21 10:13:16,002 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L895 garLoopResultBuilder]: At program point L875(lines 830 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2023-12-21 10:13:16,005 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 872) no Hoare annotation was computed. [2023-12-21 10:13:16,005 INFO L895 garLoopResultBuilder]: At program point L868-2(lines 860 873) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2023-12-21 10:13:16,005 INFO L899 garLoopResultBuilder]: For program point L831(lines 830 877) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 873) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point L881(lines 820 885) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 846) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 754 765) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 754 765) the Hoare annotation is: true [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point L758-1(lines 754 765) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 609 615) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 609 615) the Hoare annotation is: true [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2023-12-21 10:13:16,006 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 686 694) the Hoare annotation is: true [2023-12-21 10:13:16,006 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2023-12-21 10:13:16,007 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 675 685) the Hoare annotation is: true [2023-12-21 10:13:16,008 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-21 10:13:16,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:13:16,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:13:16 BoogieIcfgContainer [2023-12-21 10:13:16,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:13:16,020 INFO L158 Benchmark]: Toolchain (without parser) took 1794.38ms. Allocated memory is still 269.5MB. Free memory was 211.7MB in the beginning and 209.7MB in the end (delta: 2.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:16,020 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 169.9MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:13:16,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.14ms. Allocated memory is still 269.5MB. Free memory was 211.2MB in the beginning and 191.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 10:13:16,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 269.5MB. Free memory was 191.8MB in the beginning and 189.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:16,021 INFO L158 Benchmark]: Boogie Preprocessor took 37.47ms. Allocated memory is still 269.5MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:13:16,021 INFO L158 Benchmark]: RCFGBuilder took 387.31ms. Allocated memory is still 269.5MB. Free memory was 187.6MB in the beginning and 166.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-21 10:13:16,021 INFO L158 Benchmark]: TraceAbstraction took 1027.27ms. Allocated memory is still 269.5MB. Free memory was 166.1MB in the beginning and 209.7MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:13:16,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 169.9MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.14ms. Allocated memory is still 269.5MB. Free memory was 211.2MB in the beginning and 191.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 269.5MB. Free memory was 191.8MB in the beginning and 189.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.47ms. Allocated memory is still 269.5MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 387.31ms. Allocated memory is still 269.5MB. Free memory was 187.6MB in the beginning and 166.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1027.27ms. Allocated memory is still 269.5MB. Free memory was 166.1MB in the beginning and 209.7MB in the end (delta: -43.6MB). There was no memory consumed. 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,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * 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: 926]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 374 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 205 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 92 PreInvPairs, 98 NumberOfFragments, 126 HoareAnnotationTreeSize, 92 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FormulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 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: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-21 10:13:16,048 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...