/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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:40:20,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:40:20,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:40:20,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:40:20,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:40:20,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:40:20,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:40:20,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:40:20,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:40:20,281 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:40:20,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:40:20,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:40:20,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:40:20,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:40:20,284 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:40:20,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:40:20,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:40:20,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:40:20,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:40:20,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:40:20,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:40:20,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:40:20,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:40:20,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:40:20,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:40:20,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:40:20,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:40:20,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:40:20,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:40:20,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:40:20,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:40:20,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:40:20,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:40:20,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:40:20,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:40:20,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:40:20,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:40:20,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:40:20,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:40:20,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:40:20,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:40:20,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:40:20,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:40:20,556 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:40:20,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2023-12-19 23:40:21,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:40:22,003 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:40:22,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2023-12-19 23:40:22,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabc91fac/dbb9112dca504230be5e2ed06a0640b3/FLAG44608c04c [2023-12-19 23:40:22,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabc91fac/dbb9112dca504230be5e2ed06a0640b3 [2023-12-19 23:40:22,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:40:22,029 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:40:22,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:40:22,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:40:22,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:40:22,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ccb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22, skipping insertion in model container [2023-12-19 23:40:22,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:40:22,296 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_product23.cil.c[11292,11305] [2023-12-19 23:40:22,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:40:22,348 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:40:22,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-19 23:40:22,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2023-12-19 23:40:22,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] [2023-12-19 23:40:22,414 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_product23.cil.c[11292,11305] [2023-12-19 23:40:22,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:40:22,466 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:40:22,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22 WrapperNode [2023-12-19 23:40:22,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:40:22,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:40:22,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:40:22,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:40:22,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,531 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-12-19 23:40:22,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:40:22,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:40:22,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:40:22,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:40:22,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,571 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]. [2023-12-19 23:40:22,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:40:22,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:40:22,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:40:22,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:40:22,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (1/1) ... [2023-12-19 23:40:22,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:40:22,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:40:22,628 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) [2023-12-19 23:40:22,629 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 [2023-12-19 23:40:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:40:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-19 23:40:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-19 23:40:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:40:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:40:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:40:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:40:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:40:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:40:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-19 23:40:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-19 23:40:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-19 23:40:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-19 23:40:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-19 23:40:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-19 23:40:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:40:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:40:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:40:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:40:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:40:22,715 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:40:22,717 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:40:22,929 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:40:22,990 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:40:22,990 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:40:22,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:40:22 BoogieIcfgContainer [2023-12-19 23:40:22,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:40:22,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:40:22,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:40:22,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:40:22,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:40:22" (1/3) ... [2023-12-19 23:40:22,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c85d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:40:22, skipping insertion in model container [2023-12-19 23:40:22,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:22" (2/3) ... [2023-12-19 23:40:22,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c85d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:40:22, skipping insertion in model container [2023-12-19 23:40:22,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:40:22" (3/3) ... [2023-12-19 23:40:22,998 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2023-12-19 23:40:23,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:40:23,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:40:23,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:40:23,131 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;@74f6a982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:40:23,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:40:23,137 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) [2023-12-19 23:40:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-19 23:40:23,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:23,146 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] [2023-12-19 23:40:23,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:23,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:23,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1806700508, now seen corresponding path program 1 times [2023-12-19 23:40:23,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:23,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590523035] [2023-12-19 23:40:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:23,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:40:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:23,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:23,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590523035] [2023-12-19 23:40:23,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590523035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:23,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:23,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:40:23,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142750570] [2023-12-19 23:40:23,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:23,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:40:23,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:23,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:40:23,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:40:23,421 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) [2023-12-19 23:40:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:23,468 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-19 23:40:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:40:23,476 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 [2023-12-19 23:40:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:23,482 INFO L225 Difference]: With dead ends: 146 [2023-12-19 23:40:23,482 INFO L226 Difference]: Without dead ends: 69 [2023-12-19 23:40:23,485 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 [2023-12-19 23:40:23,488 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:23,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:40:23,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-19 23:40:23,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-19 23:40:23,533 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) [2023-12-19 23:40:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-19 23:40:23,538 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 22 [2023-12-19 23:40:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:23,539 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-19 23:40:23,539 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) [2023-12-19 23:40:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-19 23:40:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-19 23:40:23,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:23,541 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] [2023-12-19 23:40:23,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:40:23,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:23,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:23,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2045989117, now seen corresponding path program 1 times [2023-12-19 23:40:23,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:23,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037112879] [2023-12-19 23:40:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:40:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-19 23:40:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:23,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:23,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037112879] [2023-12-19 23:40:23,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037112879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:23,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:23,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:40:23,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130059370] [2023-12-19 23:40:23,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:23,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:40:23,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:23,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:40:23,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:40:23,680 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) [2023-12-19 23:40:23,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:23,738 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-19 23:40:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:40:23,741 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 [2023-12-19 23:40:23,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:23,742 INFO L225 Difference]: With dead ends: 108 [2023-12-19 23:40:23,742 INFO L226 Difference]: Without dead ends: 61 [2023-12-19 23:40:23,743 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 [2023-12-19 23:40:23,744 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:23,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:40:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-19 23:40:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-19 23:40:23,751 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) [2023-12-19 23:40:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-19 23:40:23,752 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 23 [2023-12-19 23:40:23,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:23,752 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-19 23:40:23,752 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) [2023-12-19 23:40:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-19 23:40:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-19 23:40:23,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:23,754 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] [2023-12-19 23:40:23,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:40:23,754 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:23,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:23,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2131149741, now seen corresponding path program 1 times [2023-12-19 23:40:23,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:23,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778703950] [2023-12-19 23:40:23,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:23,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-19 23:40:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 23:40:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:23,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778703950] [2023-12-19 23:40:23,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778703950] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:23,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:23,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:40:23,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19825822] [2023-12-19 23:40:23,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:23,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:40:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:23,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:40:23,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:40:23,838 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-12-19 23:40:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:23,886 INFO L93 Difference]: Finished difference Result 179 states and 246 transitions. [2023-12-19 23:40:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:40:23,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 [2023-12-19 23:40:23,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:23,889 INFO L225 Difference]: With dead ends: 179 [2023-12-19 23:40:23,889 INFO L226 Difference]: Without dead ends: 120 [2023-12-19 23:40:23,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:40:23,891 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 67 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:23,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 152 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:40:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-19 23:40:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-19 23:40:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 93 states have internal predecessors, (113), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-19 23:40:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-12-19 23:40:23,918 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 26 [2023-12-19 23:40:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:23,919 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-12-19 23:40:23,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-12-19 23:40:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-12-19 23:40:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-19 23:40:23,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:23,921 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] [2023-12-19 23:40:23,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:40:23,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:23,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:23,922 INFO L85 PathProgramCache]: Analyzing trace with hash 950324196, now seen corresponding path program 1 times [2023-12-19 23:40:23,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:23,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012058395] [2023-12-19 23:40:23,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:40:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-19 23:40:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-19 23:40:24,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012058395] [2023-12-19 23:40:24,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012058395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:24,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:24,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:40:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192800768] [2023-12-19 23:40:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:24,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:40:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:24,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:40:24,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 23:40:24,028 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 23:40:24,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:24,167 INFO L93 Difference]: Finished difference Result 204 states and 279 transitions. [2023-12-19 23:40:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 23:40:24,170 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 [2023-12-19 23:40:24,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:24,171 INFO L225 Difference]: With dead ends: 204 [2023-12-19 23:40:24,171 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:40:24,173 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 [2023-12-19 23:40:24,174 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 48 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:24,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 145 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:40:24,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:40:24,175 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) [2023-12-19 23:40:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:40:24,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-12-19 23:40:24,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:24,176 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:40:24,176 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) [2023-12-19 23:40:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:40:24,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:40:24,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:40:24,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:40:24,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:40:24,375 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 728 735) no Hoare annotation was computed. [2023-12-19 23:40:24,376 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 735) the Hoare annotation is: true [2023-12-19 23:40:24,376 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 661 667) no Hoare annotation was computed. [2023-12-19 23:40:24,376 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 661 667) the Hoare annotation is: true [2023-12-19 23:40:24,376 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2023-12-19 23:40:24,377 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 469) the Hoare annotation is: true [2023-12-19 23:40:24,377 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2023-12-19 23:40:24,378 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 970) no Hoare annotation was computed. [2023-12-19 23:40:24,378 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 973) no Hoare annotation was computed. [2023-12-19 23:40:24,379 INFO L899 garLoopResultBuilder]: For program point L956-1(lines 948 976) no Hoare annotation was computed. [2023-12-19 23:40:24,380 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:40:24,380 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-12-19 23:40:24,380 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:40:24,381 INFO L899 garLoopResultBuilder]: For program point L961(lines 961 967) no Hoare annotation was computed. [2023-12-19 23:40:24,381 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,381 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 695 719) no Hoare annotation was computed. [2023-12-19 23:40:24,382 INFO L899 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2023-12-19 23:40:24,382 INFO L895 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,382 INFO L899 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2023-12-19 23:40:24,382 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2023-12-19 23:40:24,383 INFO L899 garLoopResultBuilder]: For program point L438-2(lines 434 445) no Hoare annotation was computed. [2023-12-19 23:40:24,383 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,383 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2023-12-19 23:40:24,383 INFO L899 garLoopResultBuilder]: For program point L641-2(lines 637 659) no Hoare annotation was computed. [2023-12-19 23:40:24,383 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 711) no Hoare annotation was computed. [2023-12-19 23:40:24,383 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 716) no Hoare annotation was computed. [2023-12-19 23:40:24,384 INFO L895 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,384 INFO L899 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2023-12-19 23:40:24,385 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 660) no Hoare annotation was computed. [2023-12-19 23:40:24,385 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-12-19 23:40:24,385 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-12-19 23:40:24,386 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 523 552) no Hoare annotation was computed. [2023-12-19 23:40:24,386 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2023-12-19 23:40:24,386 INFO L902 garLoopResultBuilder]: At program point L537-1(lines 537 541) the Hoare annotation is: true [2023-12-19 23:40:24,393 INFO L902 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: true [2023-12-19 23:40:24,394 INFO L902 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2023-12-19 23:40:24,395 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-12-19 23:40:24,397 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 552) the Hoare annotation is: true [2023-12-19 23:40:24,397 INFO L899 garLoopResultBuilder]: For program point L548(lines 523 552) no Hoare annotation was computed. [2023-12-19 23:40:24,397 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2023-12-19 23:40:24,397 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2023-12-19 23:40:24,397 INFO L895 garLoopResultBuilder]: At program point L882(lines 837 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:40:24,397 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:40:24,398 INFO L895 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: false [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L838(lines 837 884) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 880) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L611-2(lines 611 618) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L888(lines 827 892) no Hoare annotation was computed. [2023-12-19 23:40:24,398 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L895 garLoopResultBuilder]: At program point L885(lines 836 886) the Hoare annotation is: false [2023-12-19 23:40:24,399 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L899 garLoopResultBuilder]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-12-19 23:40:24,399 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 867 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2023-12-19 23:40:24,400 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 457) the Hoare annotation is: true [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 805) no Hoare annotation was computed. [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2023-12-19 23:40:24,400 INFO L895 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,400 INFO L899 garLoopResultBuilder]: For program point L688-1(lines 669 693) no Hoare annotation was computed. [2023-12-19 23:40:24,401 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 669 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:40:24,401 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 669 693) no Hoare annotation was computed. [2023-12-19 23:40:24,401 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:40:24,401 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:40:24,401 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2023-12-19 23:40:24,401 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 747 755) no Hoare annotation was computed. [2023-12-19 23:40:24,401 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 747 755) the Hoare annotation is: true [2023-12-19 23:40:24,404 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-19 23:40:24,405 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:40:24,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:40:24 BoogieIcfgContainer [2023-12-19 23:40:24,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:40:24,423 INFO L158 Benchmark]: Toolchain (without parser) took 2393.04ms. Allocated memory is still 284.2MB. Free memory was 229.3MB in the beginning and 161.8MB in the end (delta: 67.5MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,425 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:40:24,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.92ms. Allocated memory is still 284.2MB. Free memory was 229.3MB in the beginning and 209.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.94ms. Allocated memory is still 284.2MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,426 INFO L158 Benchmark]: Boogie Preprocessor took 50.16ms. Allocated memory is still 284.2MB. Free memory was 207.3MB in the beginning and 205.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,426 INFO L158 Benchmark]: RCFGBuilder took 408.11ms. Allocated memory is still 284.2MB. Free memory was 205.2MB in the beginning and 183.2MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,427 INFO L158 Benchmark]: TraceAbstraction took 1428.82ms. Allocated memory is still 284.2MB. Free memory was 182.2MB in the beginning and 161.8MB in the end (delta: 20.3MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2023-12-19 23:40:24,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 436.92ms. Allocated memory is still 284.2MB. Free memory was 229.3MB in the beginning and 209.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.94ms. Allocated memory is still 284.2MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.16ms. Allocated memory is still 284.2MB. Free memory was 207.3MB in the beginning and 205.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 408.11ms. Allocated memory is still 284.2MB. Free memory was 205.2MB in the beginning and 183.2MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1428.82ms. Allocated memory is still 284.2MB. Free memory was 182.2MB in the beginning and 161.8MB in the end (delta: 20.3MB). Peak memory consumption was 19.8MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] * 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: 420]: 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 279 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 174 PreInvPairs, 186 NumberOfFragments, 103 HoareAnnotationTreeSize, 174 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FormulaSimplificationsInter, 246 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 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: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-19 23:40:24,458 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...