/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_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:55:13,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:55:13,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:55:13,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:55:13,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:55:13,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:55:13,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:55:13,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:55:13,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:55:13,317 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:55:13,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:55:13,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:55:13,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:55:13,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:55:13,318 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:55:13,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:55:13,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:55:13,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:55:13,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:55:13,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:55:13,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:55:13,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:55:13,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:55:13,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:55:13,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:55:13,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:55:13,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:55:13,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:55:13,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:55:13,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:55:13,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:55:13,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:55:13,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:13,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:55:13,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:55:13,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:55:13,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:55:13,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:55:13,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:55:13,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:55:13,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:55:13,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:55:13,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:55:13,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:55:13,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:55:13,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:55:13,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:55:13,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:55:13,572 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:55:13,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2023-12-15 22:55:14,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:55:15,069 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:55:15,070 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2023-12-15 22:55:15,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1e96877/bf2f211349fb4b54b89aeda096ba958a/FLAGe34f460b9 [2023-12-15 22:55:15,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1e96877/bf2f211349fb4b54b89aeda096ba958a [2023-12-15 22:55:15,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:55:15,111 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:55:15,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:15,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:55:15,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:55:15,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fecb757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15, skipping insertion in model container [2023-12-15 22:55:15,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:55:15,590 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_spec2_product25.cil.c[7805,7818] [2023-12-15 22:55:15,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:15,705 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:55:15,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-15 22:55:15,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [155] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [255] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [433] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [523] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [532] [2023-12-15 22:55:15,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [571] [2023-12-15 22:55:15,725 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_spec2_product25.cil.c[7805,7818] [2023-12-15 22:55:15,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:15,762 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:55:15,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15 WrapperNode [2023-12-15 22:55:15,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:15,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:15,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:55:15,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:55:15,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,821 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 168 [2023-12-15 22:55:15,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:15,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:55:15,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:55:15,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:55:15,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,861 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:55:15,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:55:15,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:55:15,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:55:15,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:55:15,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (1/1) ... [2023-12-15 22:55:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:15,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:55:15,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:55:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:55:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:55:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:55:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:55:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:55:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:55:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:55:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:55:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:55:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:55:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:55:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:55:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:55:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:55:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:55:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:55:16,028 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:55:16,031 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:55:16,192 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:55:16,258 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:55:16,258 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:55:16,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:16 BoogieIcfgContainer [2023-12-15 22:55:16,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:55:16,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:55:16,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:55:16,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:55:16,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:55:15" (1/3) ... [2023-12-15 22:55:16,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6af877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:16, skipping insertion in model container [2023-12-15 22:55:16,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:15" (2/3) ... [2023-12-15 22:55:16,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6af877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:16, skipping insertion in model container [2023-12-15 22:55:16,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:16" (3/3) ... [2023-12-15 22:55:16,264 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2023-12-15 22:55:16,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:55:16,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:55:16,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:55:16,321 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;@20104325, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:55:16,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:55:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 46 states have internal predecessors, (63), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-15 22:55:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:55:16,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:16,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:16,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:16,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash -283361529, now seen corresponding path program 1 times [2023-12-15 22:55:16,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:16,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004634345] [2023-12-15 22:55:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:16,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:16,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004634345] [2023-12-15 22:55:16,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004634345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:16,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:16,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:55:16,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363926506] [2023-12-15 22:55:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:16,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:55:16,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:16,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:55:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:16,524 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 46 states have internal predecessors, (63), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:16,592 INFO L93 Difference]: Finished difference Result 112 states and 163 transitions. [2023-12-15 22:55:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:55:16,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-15 22:55:16,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:16,604 INFO L225 Difference]: With dead ends: 112 [2023-12-15 22:55:16,604 INFO L226 Difference]: Without dead ends: 52 [2023-12-15 22:55:16,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:16,611 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:16,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-15 22:55:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-15 22:55:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 42 states have internal predecessors, (53), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-15 22:55:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2023-12-15 22:55:16,647 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 17 [2023-12-15 22:55:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:16,648 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 70 transitions. [2023-12-15 22:55:16,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-12-15 22:55:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-15 22:55:16,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:16,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:16,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:55:16,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:16,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash 662220507, now seen corresponding path program 1 times [2023-12-15 22:55:16,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:16,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84509359] [2023-12-15 22:55:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:55:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:16,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:16,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84509359] [2023-12-15 22:55:16,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84509359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:16,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:16,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:16,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285909380] [2023-12-15 22:55:16,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:16,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:16,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:16,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:16,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:16,766 INFO L87 Difference]: Start difference. First operand 52 states and 70 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:16,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:16,807 INFO L93 Difference]: Finished difference Result 77 states and 103 transitions. [2023-12-15 22:55:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:16,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-15 22:55:16,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:16,809 INFO L225 Difference]: With dead ends: 77 [2023-12-15 22:55:16,809 INFO L226 Difference]: Without dead ends: 44 [2023-12-15 22:55:16,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:16,812 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:16,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:16,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-15 22:55:16,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-15 22:55:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.46875) internal successors, (47), 37 states have internal predecessors, (47), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-15 22:55:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2023-12-15 22:55:16,829 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 18 [2023-12-15 22:55:16,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:16,829 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2023-12-15 22:55:16,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2023-12-15 22:55:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:55:16,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:16,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:16,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:55:16,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:16,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:16,831 INFO L85 PathProgramCache]: Analyzing trace with hash 806899730, now seen corresponding path program 1 times [2023-12-15 22:55:16,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:16,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926686163] [2023-12-15 22:55:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:16,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:16,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926686163] [2023-12-15 22:55:16,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926686163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:16,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:16,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:55:16,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850025754] [2023-12-15 22:55:16,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:16,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:16,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:16,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:55:16,933 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:17,002 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2023-12-15 22:55:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:55:17,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-15 22:55:17,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:17,003 INFO L225 Difference]: With dead ends: 86 [2023-12-15 22:55:17,003 INFO L226 Difference]: Without dead ends: 44 [2023-12-15 22:55:17,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:55:17,004 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 58 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:17,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 70 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:17,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-15 22:55:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-15 22:55:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.4375) internal successors, (46), 37 states have internal predecessors, (46), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-15 22:55:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-12-15 22:55:17,011 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 21 [2023-12-15 22:55:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:17,012 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-12-15 22:55:17,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-12-15 22:55:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:55:17,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:17,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:17,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:55:17,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:17,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash -960926020, now seen corresponding path program 1 times [2023-12-15 22:55:17,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:17,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111856375] [2023-12-15 22:55:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:17,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:55:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:17,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:17,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111856375] [2023-12-15 22:55:17,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111856375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:17,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:17,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:17,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896166012] [2023-12-15 22:55:17,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:17,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:17,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:17,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:17,109 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:55:17,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:17,149 INFO L93 Difference]: Finished difference Result 86 states and 116 transitions. [2023-12-15 22:55:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:17,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-12-15 22:55:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:17,150 INFO L225 Difference]: With dead ends: 86 [2023-12-15 22:55:17,150 INFO L226 Difference]: Without dead ends: 84 [2023-12-15 22:55:17,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:17,151 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 34 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:17,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 93 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-15 22:55:17,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-15 22:55:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 70 states have internal predecessors, (88), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 10 states have call predecessors, (14), 12 states have call successors, (14) [2023-12-15 22:55:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2023-12-15 22:55:17,175 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 26 [2023-12-15 22:55:17,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:17,175 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2023-12-15 22:55:17,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:55:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2023-12-15 22:55:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-15 22:55:17,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:17,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:17,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:55:17,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:17,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1932759852, now seen corresponding path program 1 times [2023-12-15 22:55:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444914865] [2023-12-15 22:55:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:55:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-15 22:55:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 22:55:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-15 22:55:17,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:17,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444914865] [2023-12-15 22:55:17,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444914865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:17,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:17,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:55:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628038843] [2023-12-15 22:55:17,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:17,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:55:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:55:17,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:55:17,359 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-15 22:55:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:17,438 INFO L93 Difference]: Finished difference Result 120 states and 162 transitions. [2023-12-15 22:55:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 22:55:17,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 51 [2023-12-15 22:55:17,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:17,439 INFO L225 Difference]: With dead ends: 120 [2023-12-15 22:55:17,440 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:55:17,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-15 22:55:17,450 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 45 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:17,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 58 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:55:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:55:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:55:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:55:17,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2023-12-15 22:55:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:17,455 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:55:17,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-15 22:55:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:55:17,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:55:17,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:55:17,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:55:17,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:55:17,633 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 461 472) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 472) the Hoare annotation is: true [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 461 472) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 473 481) the Hoare annotation is: true [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 473 481) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 270 289) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L895 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2023-12-15 22:55:17,634 INFO L895 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0)) [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L441-2(lines 437 448) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L895 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 564) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 290) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 567) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 320) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2023-12-15 22:55:17,635 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 528) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L423-2(lines 423 427) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-15 22:55:17,636 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-15 22:55:17,636 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L250(lines 191 254) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-12-15 22:55:17,637 INFO L895 garLoopResultBuilder]: At program point L247(lines 200 248) the Hoare annotation is: false [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L202(lines 201 246) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 242) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-12-15 22:55:17,637 INFO L895 garLoopResultBuilder]: At program point L244(lines 201 246) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 217) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:55:17,637 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-12-15 22:55:17,638 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-12-15 22:55:17,638 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-12-15 22:55:17,638 INFO L895 garLoopResultBuilder]: At program point L237-2(lines 231 242) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-12-15 22:55:17,638 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 449 460) no Hoare annotation was computed. [2023-12-15 22:55:17,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-12-15 22:55:17,639 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-12-15 22:55:17,641 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-15 22:55:17,642 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:55:17,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:55:17 BoogieIcfgContainer [2023-12-15 22:55:17,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:55:17,651 INFO L158 Benchmark]: Toolchain (without parser) took 2540.02ms. Allocated memory is still 253.8MB. Free memory was 201.5MB in the beginning and 210.3MB in the end (delta: -8.8MB). Peak memory consumption was 80.4MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,651 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:55:17,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.42ms. Allocated memory is still 253.8MB. Free memory was 201.1MB in the beginning and 181.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.38ms. Allocated memory is still 253.8MB. Free memory was 181.5MB in the beginning and 179.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,651 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 253.8MB. Free memory was 179.6MB in the beginning and 177.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,651 INFO L158 Benchmark]: RCFGBuilder took 387.71ms. Allocated memory is still 253.8MB. Free memory was 177.3MB in the beginning and 157.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,652 INFO L158 Benchmark]: TraceAbstraction took 1390.34ms. Allocated memory is still 253.8MB. Free memory was 156.6MB in the beginning and 210.3MB in the end (delta: -53.6MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2023-12-15 22:55:17,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 651.42ms. Allocated memory is still 253.8MB. Free memory was 201.1MB in the beginning and 181.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.38ms. Allocated memory is still 253.8MB. Free memory was 181.5MB in the beginning and 179.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 253.8MB. Free memory was 179.6MB in the beginning and 177.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 387.71ms. Allocated memory is still 253.8MB. Free memory was 177.3MB in the beginning and 157.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1390.34ms. Allocated memory is still 253.8MB. Free memory was 156.6MB in the beginning and 210.3MB in the end (delta: -53.6MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [155] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] - GenericResultAtLocation [Line: 255]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [255] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [433] - GenericResultAtLocation [Line: 523]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [523] - GenericResultAtLocation [Line: 532]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [532] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [571] * 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: 528]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 231 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 76 PreInvPairs, 82 NumberOfFragments, 169 HoareAnnotationTreeSize, 76 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FormulaSimplificationsInter, 107 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 23/23 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: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((tmp == systemActive) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && !((0 == systemActive))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:55:17,690 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...