/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:46:27,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:46:27,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:46:27,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:46:27,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:46:27,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:46:27,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:46:27,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:46:27,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:46:27,696 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:46:27,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:46:27,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:46:27,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:46:27,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:46:27,698 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:46:27,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:46:27,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:46:27,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:46:27,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:46:27,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:46:27,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:46:27,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:46:27,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:46:27,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:46:27,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:46:27,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:46:27,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:46:27,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:46:27,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:46:27,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:46:27,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:46:27,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:46:27,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:46:27,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:46:27,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:46:27,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:46:27,704 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:46:27,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:46:27,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:46:27,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:46:27,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:46:27,933 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:46:27,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2023-12-16 05:46:29,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:46:29,246 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:46:29,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2023-12-16 05:46:29,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88234286f/045fa672a8ef47169cba4189b10a9e94/FLAG397cd78df [2023-12-16 05:46:29,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88234286f/045fa672a8ef47169cba4189b10a9e94 [2023-12-16 05:46:29,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:46:29,267 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:46:29,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:46:29,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:46:29,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:46:29,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400247f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29, skipping insertion in model container [2023-12-16 05:46:29,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:46:29,500 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_product09.cil.c[5363,5376] [2023-12-16 05:46:29,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:46:29,580 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:46:29,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] [2023-12-16 05:46:29,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] [2023-12-16 05:46:29,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] [2023-12-16 05:46:29,614 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_product09.cil.c[5363,5376] [2023-12-16 05:46:29,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:46:29,672 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:46:29,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29 WrapperNode [2023-12-16 05:46:29,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:46:29,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:46:29,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:46:29,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:46:29,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,726 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 138 [2023-12-16 05:46:29,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:46:29,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:46:29,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:46:29,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:46:29,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,763 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]. [2023-12-16 05:46:29,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:46:29,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:46:29,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:46:29,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:46:29,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (1/1) ... [2023-12-16 05:46:29,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:46:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:46:29,808 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) [2023-12-16 05:46:29,828 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 [2023-12-16 05:46:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:46:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 05:46:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:46:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:46:29,898 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:46:29,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:46:30,034 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:46:30,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:46:30,086 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 05:46:30,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:46:30 BoogieIcfgContainer [2023-12-16 05:46:30,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:46:30,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:46:30,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:46:30,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:46:30,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:46:29" (1/3) ... [2023-12-16 05:46:30,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd87917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:46:30, skipping insertion in model container [2023-12-16 05:46:30,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:46:29" (2/3) ... [2023-12-16 05:46:30,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd87917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:46:30, skipping insertion in model container [2023-12-16 05:46:30,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:46:30" (3/3) ... [2023-12-16 05:46:30,092 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2023-12-16 05:46:30,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:46:30,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:46:30,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:46:30,145 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;@2dc762b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:46:30,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:46:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 05:46:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 05:46:30,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:46:30,155 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] [2023-12-16 05:46:30,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:46:30,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:46:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1064691268, now seen corresponding path program 1 times [2023-12-16 05:46:30,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:46:30,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013091983] [2023-12-16 05:46:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:46:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:46:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-16 05:46:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:46:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 05:46:30,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:46:30,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013091983] [2023-12-16 05:46:30,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013091983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:46:30,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:46:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 05:46:30,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608249678] [2023-12-16 05:46:30,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:46:30,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:46:30,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:46:30,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:46:30,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:46:30,429 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2023-12-16 05:46:30,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:46:30,490 INFO L93 Difference]: Finished difference Result 100 states and 145 transitions. [2023-12-16 05:46:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:46:30,492 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 [2023-12-16 05:46:30,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:46:30,498 INFO L225 Difference]: With dead ends: 100 [2023-12-16 05:46:30,498 INFO L226 Difference]: Without dead ends: 46 [2023-12-16 05:46:30,501 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 [2023-12-16 05:46:30,505 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:46:30,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:46:30,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-16 05:46:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-16 05:46:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.393939393939394) internal successors, (46), 36 states have internal predecessors, (46), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-16 05:46:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2023-12-16 05:46:30,541 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 22 [2023-12-16 05:46:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:46:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2023-12-16 05:46:30,541 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) [2023-12-16 05:46:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-12-16 05:46:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 05:46:30,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:46:30,544 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] [2023-12-16 05:46:30,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 05:46:30,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:46:30,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:46:30,545 INFO L85 PathProgramCache]: Analyzing trace with hash 850520393, now seen corresponding path program 1 times [2023-12-16 05:46:30,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:46:30,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103061848] [2023-12-16 05:46:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:46:30,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:46:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:46:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-16 05:46:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 05:46:30,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:46:30,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103061848] [2023-12-16 05:46:30,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103061848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:46:30,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:46:30,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:46:30,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397967911] [2023-12-16 05:46:30,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:46:30,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:46:30,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:46:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:46:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:46:30,672 INFO L87 Difference]: Start difference. First operand 46 states and 61 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) [2023-12-16 05:46:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:46:30,704 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2023-12-16 05:46:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:46:30,705 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 [2023-12-16 05:46:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:46:30,706 INFO L225 Difference]: With dead ends: 65 [2023-12-16 05:46:30,706 INFO L226 Difference]: Without dead ends: 38 [2023-12-16 05:46:30,707 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 [2023-12-16 05:46:30,708 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:46:30,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:46:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-16 05:46:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-12-16 05:46:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 31 states have internal predecessors, (40), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-16 05:46:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2023-12-16 05:46:30,721 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 23 [2023-12-16 05:46:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:46:30,721 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2023-12-16 05:46:30,721 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) [2023-12-16 05:46:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-12-16 05:46:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 05:46:30,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:46:30,733 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] [2023-12-16 05:46:30,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 05:46:30,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:46:30,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:46:30,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1589471248, now seen corresponding path program 1 times [2023-12-16 05:46:30,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:46:30,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578192817] [2023-12-16 05:46:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:46:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:46:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-16 05:46:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-16 05:46:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:46:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 05:46:30,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:46:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578192817] [2023-12-16 05:46:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578192817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:46:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:46:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 05:46:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914335400] [2023-12-16 05:46:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:46:30,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 05:46:30,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:46:30,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 05:46:30,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 05:46:30,942 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 05:46:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:46:31,236 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2023-12-16 05:46:31,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 05:46:31,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-16 05:46:31,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:46:31,240 INFO L225 Difference]: With dead ends: 127 [2023-12-16 05:46:31,240 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 05:46:31,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:46:31,241 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 73 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:46:31,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 437 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 05:46:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 05:46:31,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 05:46:31,242 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) [2023-12-16 05:46:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 05:46:31,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-12-16 05:46:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:46:31,242 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 05:46:31,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-16 05:46:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 05:46:31,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 05:46:31,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:46:31,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 05:46:31,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 05:46:31,336 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L902 garLoopResultBuilder]: At program point L353(line 353) the Hoare annotation is: true [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point L353-1(line 353) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 347 376) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point L372(lines 347 376) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point L368(line 368) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 347 376) the Hoare annotation is: true [2023-12-16 05:46:31,337 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2023-12-16 05:46:31,337 INFO L902 garLoopResultBuilder]: At program point L361-1(lines 361 365) the Hoare annotation is: true [2023-12-16 05:46:31,338 INFO L902 garLoopResultBuilder]: At program point L357-2(lines 357 371) the Hoare annotation is: true [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 889) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 892) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L875-1(lines 867 895) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 58 69) no Hoare annotation was computed. [2023-12-16 05:46:31,338 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 159) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 149 171) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 172) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-12-16 05:46:31,339 INFO L895 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 172) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 341) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L283(lines 282 327) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 323) no Hoare annotation was computed. [2023-12-16 05:46:31,339 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-12-16 05:46:31,339 INFO L895 garLoopResultBuilder]: At program point L325(lines 282 327) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-12-16 05:46:31,339 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L292-1(lines 292 298) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 440) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 312 323) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 308) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point L331(lines 272 335) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 05:46:31,340 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-12-16 05:46:31,340 INFO L895 garLoopResultBuilder]: At program point L328(lines 281 329) the Hoare annotation is: false [2023-12-16 05:46:31,349 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-12-16 05:46:31,349 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2023-12-16 05:46:31,350 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-12-16 05:46:31,350 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2023-12-16 05:46:31,350 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 233) the Hoare annotation is: true [2023-12-16 05:46:31,351 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 05:46:31,353 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:46:31,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:46:31 BoogieIcfgContainer [2023-12-16 05:46:31,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:46:31,361 INFO L158 Benchmark]: Toolchain (without parser) took 2093.94ms. Allocated memory is still 284.2MB. Free memory was 246.2MB in the beginning and 213.4MB in the end (delta: 32.8MB). Peak memory consumption was 34.3MB. Max. memory is 8.0GB. [2023-12-16 05:46:31,361 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 154.7MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:46:31,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.71ms. Allocated memory is still 284.2MB. Free memory was 246.2MB in the beginning and 227.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 05:46:31,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.31ms. Allocated memory is still 284.2MB. Free memory was 226.8MB in the beginning and 225.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 05:46:31,362 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 284.2MB. Free memory was 225.2MB in the beginning and 223.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:46:31,362 INFO L158 Benchmark]: RCFGBuilder took 315.52ms. Allocated memory is still 284.2MB. Free memory was 223.1MB in the beginning and 204.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 05:46:31,362 INFO L158 Benchmark]: TraceAbstraction took 1272.38ms. Allocated memory is still 284.2MB. Free memory was 203.7MB in the beginning and 213.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:46:31,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 154.7MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.71ms. Allocated memory is still 284.2MB. Free memory was 246.2MB in the beginning and 227.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.31ms. Allocated memory is still 284.2MB. Free memory was 226.8MB in the beginning and 225.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 284.2MB. Free memory was 225.2MB in the beginning and 223.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 315.52ms. Allocated memory is still 284.2MB. Free memory was 223.1MB in the beginning and 204.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1272.38ms. Allocated memory is still 284.2MB. Free memory was 203.7MB in the beginning and 213.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 270]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] - GenericResultAtLocation [Line: 336]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] - GenericResultAtLocation [Line: 446]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] - GenericResultAtLocation [Line: 812]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] * 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: 341]: 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 6 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 274 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 190 mSDtfsCounter, 274 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 61 PreInvPairs, 76 NumberOfFragments, 39 HoareAnnotationTreeSize, 61 FormulaSimplifications, 94 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FormulaSimplificationsInter, 104 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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: 357]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (splverifierCounter == 0) RESULT: Ultimate proved your program to be correct! [2023-12-16 05:46:31,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...