/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_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:39:27,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:39:27,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:39:27,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:39:27,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:39:27,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:39:27,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:39:27,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:39:27,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:39:27,368 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:39:27,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:39:27,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:39:27,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:39:27,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:39:27,369 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:39:27,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:39:27,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:39:27,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:39:27,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:39:27,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:39:27,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:39:27,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:39:27,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:39:27,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:39:27,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:39:27,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:39:27,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:39:27,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:39:27,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:39:27,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:39:27,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:39:27,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:39:27,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:39:27,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:39:27,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:39:27,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:39:27,380 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:39:27,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:39:27,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:39:27,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:39:27,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:39:27,610 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:39:27,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2023-12-19 23:39:28,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:39:28,893 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:39:28,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2023-12-19 23:39:28,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8fb6a90d/7e205c2db5094b74ab0d2bcd2c363a0c/FLAG138ca2c75 [2023-12-19 23:39:28,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8fb6a90d/7e205c2db5094b74ab0d2bcd2c363a0c [2023-12-19 23:39:28,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:39:28,926 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:39:28,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:39:28,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:39:28,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:39:28,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:28" (1/1) ... [2023-12-19 23:39:28,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b80a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:28, skipping insertion in model container [2023-12-19 23:39:28,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:28" (1/1) ... [2023-12-19 23:39:28,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:39:29,156 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_spec4_product09.cil.c[11292,11305] [2023-12-19 23:39:29,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:39:29,197 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:39:29,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-19 23:39:29,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-12-19 23:39:29,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] [2023-12-19 23:39:29,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [452] [2023-12-19 23:39:29,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] [2023-12-19 23:39:29,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [604] [2023-12-19 23:39:29,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [732] [2023-12-19 23:39:29,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [770] [2023-12-19 23:39:29,240 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_spec4_product09.cil.c[11292,11305] [2023-12-19 23:39:29,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:39:29,263 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:39:29,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29 WrapperNode [2023-12-19 23:39:29,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:39:29,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:39:29,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:39:29,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:39:29,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,297 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 20, calls inlined = 14, statements flattened = 133 [2023-12-19 23:39:29,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:39:29,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:39:29,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:39:29,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:39:29,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,325 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 23:39:29,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:39:29,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:39:29,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:39:29,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:39:29,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (1/1) ... [2023-12-19 23:39:29,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:39:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:39:29,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 23:39:29,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 23:39:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:39:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:39:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:39:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:39:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:39:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:39:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:39:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:39:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:39:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:39:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:39:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:39:29,463 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:39:29,465 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:39:29,594 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:39:29,631 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:39:29,631 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:39:29,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:29 BoogieIcfgContainer [2023-12-19 23:39:29,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:39:29,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:39:29,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:39:29,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:39:29,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:39:28" (1/3) ... [2023-12-19 23:39:29,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf0972c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:29, skipping insertion in model container [2023-12-19 23:39:29,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:29" (2/3) ... [2023-12-19 23:39:29,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf0972c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:29, skipping insertion in model container [2023-12-19 23:39:29,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:29" (3/3) ... [2023-12-19 23:39:29,637 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2023-12-19 23:39:29,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:39:29,649 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:39:29,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:39:29,683 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;@1993ae8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:39:29,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:39:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 35 states have internal predecessors, (50), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-19 23:39:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-19 23:39:29,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:29,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:29,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:29,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:29,698 INFO L85 PathProgramCache]: Analyzing trace with hash 263400134, now seen corresponding path program 1 times [2023-12-19 23:39:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:29,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078851208] [2023-12-19 23:39:29,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:29,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:29,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078851208] [2023-12-19 23:39:29,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078851208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:29,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:29,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:39:29,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758371449] [2023-12-19 23:39:29,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:29,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:39:29,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:29,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:39:29,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:39:29,889 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 35 states have internal predecessors, (50), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:29,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:29,937 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2023-12-19 23:39:29,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:39:29,938 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-19 23:39:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:29,943 INFO L225 Difference]: With dead ends: 84 [2023-12-19 23:39:29,943 INFO L226 Difference]: Without dead ends: 38 [2023-12-19 23:39:29,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:39:29,947 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:29,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-19 23:39:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-12-19 23:39:29,969 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), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-19 23:39:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-12-19 23:39:29,971 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 12 [2023-12-19 23:39:29,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:29,971 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-12-19 23:39:29,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-12-19 23:39:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-19 23:39:29,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:29,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:29,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:39:29,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:29,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:29,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708986, now seen corresponding path program 1 times [2023-12-19 23:39:29,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:29,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758755405] [2023-12-19 23:39:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:30,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:30,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758755405] [2023-12-19 23:39:30,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758755405] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:30,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:30,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:39:30,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210267335] [2023-12-19 23:39:30,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:39:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:30,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:39:30,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:30,048 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:30,064 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2023-12-19 23:39:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:39:30,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-19 23:39:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:30,065 INFO L225 Difference]: With dead ends: 49 [2023-12-19 23:39:30,065 INFO L226 Difference]: Without dead ends: 30 [2023-12-19 23:39:30,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:30,066 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 52 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 [2023-12-19 23:39:30,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 52 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-19 23:39:30,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-12-19 23:39:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 26 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-19 23:39:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2023-12-19 23:39:30,074 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 13 [2023-12-19 23:39:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:30,074 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-12-19 23:39:30,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-19 23:39:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-19 23:39:30,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:30,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:30,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:39:30,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:30,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:30,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1682407327, now seen corresponding path program 1 times [2023-12-19 23:39:30,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:30,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465615000] [2023-12-19 23:39:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:30,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:30,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:30,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465615000] [2023-12-19 23:39:30,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465615000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:30,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 23:39:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265039623] [2023-12-19 23:39:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:30,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:39:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:30,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:39:30,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:39:30,272 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:30,363 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2023-12-19 23:39:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 23:39:30,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-19 23:39:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:30,366 INFO L225 Difference]: With dead ends: 95 [2023-12-19 23:39:30,366 INFO L226 Difference]: Without dead ends: 67 [2023-12-19 23:39:30,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:39:30,367 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:30,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 122 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:39:30,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-19 23:39:30,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2023-12-19 23:39:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2023-12-19 23:39:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2023-12-19 23:39:30,375 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2023-12-19 23:39:30,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:30,376 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2023-12-19 23:39:30,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2023-12-19 23:39:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-19 23:39:30,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:30,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:30,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:39:30,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:30,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash 404830854, now seen corresponding path program 1 times [2023-12-19 23:39:30,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:30,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104031877] [2023-12-19 23:39:30,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:30,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:30,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:30,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104031877] [2023-12-19 23:39:30,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104031877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:30,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:30,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:39:30,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409056533] [2023-12-19 23:39:30,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:30,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:39:30,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:30,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:39:30,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:30,438 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:30,459 INFO L93 Difference]: Finished difference Result 100 states and 138 transitions. [2023-12-19 23:39:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:39:30,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-19 23:39:30,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:30,462 INFO L225 Difference]: With dead ends: 100 [2023-12-19 23:39:30,462 INFO L226 Difference]: Without dead ends: 49 [2023-12-19 23:39:30,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:30,463 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:30,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 28 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-19 23:39:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-19 23:39:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 42 states have internal predecessors, (52), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-12-19 23:39:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2023-12-19 23:39:30,469 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 18 [2023-12-19 23:39:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:30,470 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2023-12-19 23:39:30,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-12-19 23:39:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-19 23:39:30,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:30,470 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] [2023-12-19 23:39:30,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:39:30,471 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:30,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1120769607, now seen corresponding path program 1 times [2023-12-19 23:39:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:30,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48689830] [2023-12-19 23:39:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:39:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:30,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:30,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48689830] [2023-12-19 23:39:30,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48689830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:30,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:30,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:39:30,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774165405] [2023-12-19 23:39:30,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:30,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:39:30,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:30,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:39:30,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:39:30,618 INFO L87 Difference]: Start difference. First operand 49 states and 63 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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) [2023-12-19 23:39:30,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:30,749 INFO L93 Difference]: Finished difference Result 141 states and 188 transitions. [2023-12-19 23:39:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 23:39:30,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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 20 [2023-12-19 23:39:30,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:30,758 INFO L225 Difference]: With dead ends: 141 [2023-12-19 23:39:30,758 INFO L226 Difference]: Without dead ends: 94 [2023-12-19 23:39:30,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:39:30,766 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 78 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:30,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 110 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:39:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-19 23:39:30,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2023-12-19 23:39:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 61 states have internal predecessors, (75), 8 states have call successors, (8), 8 states have call predecessors, (8), 9 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-12-19 23:39:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2023-12-19 23:39:30,777 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 20 [2023-12-19 23:39:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:30,777 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2023-12-19 23:39:30,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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) [2023-12-19 23:39:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-19 23:39:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-19 23:39:30,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:30,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:30,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 23:39:30,778 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:30,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2122431999, now seen corresponding path program 1 times [2023-12-19 23:39:30,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:30,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911641947] [2023-12-19 23:39:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:39:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:39:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-12-19 23:39:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-19 23:39:30,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:30,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911641947] [2023-12-19 23:39:30,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911641947] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:39:30,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672919648] [2023-12-19 23:39:30,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:39:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:39:30,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:39:30,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:39:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:31,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 23:39:31,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:39:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-19 23:39:31,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:39:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:31,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672919648] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:39:31,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:39:31,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 13 [2023-12-19 23:39:31,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904326660] [2023-12-19 23:39:31,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:39:31,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-19 23:39:31,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-19 23:39:31,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-19 23:39:31,288 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 12 states have internal predecessors, (59), 5 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-19 23:39:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:31,395 INFO L93 Difference]: Finished difference Result 95 states and 123 transitions. [2023-12-19 23:39:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:39:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 12 states have internal predecessors, (59), 5 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 38 [2023-12-19 23:39:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:31,396 INFO L225 Difference]: With dead ends: 95 [2023-12-19 23:39:31,396 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:39:31,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-12-19 23:39:31,400 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 122 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:31,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 158 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:39:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:39:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:39:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:39:31,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2023-12-19 23:39:31,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:31,402 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:39:31,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 12 states have internal predecessors, (59), 5 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-19 23:39:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:39:31,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:39:31,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:39:31,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 23:39:31,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-19 23:39:31,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:39:31,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 484 495) the Hoare annotation is: true [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 484 495) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 772 801) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point L797(lines 772 801) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point L793(line 793) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 790) no Hoare annotation was computed. [2023-12-19 23:39:31,752 INFO L902 garLoopResultBuilder]: At program point L786-1(lines 786 790) the Hoare annotation is: true [2023-12-19 23:39:31,752 INFO L902 garLoopResultBuilder]: At program point L782-2(lines 782 796) the Hoare annotation is: true [2023-12-19 23:39:31,753 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2023-12-19 23:39:31,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 772 801) the Hoare annotation is: true [2023-12-19 23:39:31,753 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-12-19 23:39:31,753 INFO L899 garLoopResultBuilder]: For program point L622-1(lines 622 628) no Hoare annotation was computed. [2023-12-19 23:39:31,753 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 611 634) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-12-19 23:39:31,753 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-12-19 23:39:31,753 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2023-12-19 23:39:31,753 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2023-12-19 23:39:31,755 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 427 451) no Hoare annotation was computed. [2023-12-19 23:39:31,755 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2023-12-19 23:39:31,755 INFO L899 garLoopResultBuilder]: For program point L464-2(lines 460 471) no Hoare annotation was computed. [2023-12-19 23:39:31,755 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 611 634) no Hoare annotation was computed. [2023-12-19 23:39:31,757 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-12-19 23:39:31,757 INFO L899 garLoopResultBuilder]: For program point L615-1(lines 614 633) no Hoare annotation was computed. [2023-12-19 23:39:31,757 INFO L895 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-12-19 23:39:31,757 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 860) no Hoare annotation was computed. [2023-12-19 23:39:31,757 INFO L899 garLoopResultBuilder]: For program point L853-2(lines 853 860) no Hoare annotation was computed. [2023-12-19 23:39:31,757 INFO L895 garLoopResultBuilder]: At program point L593(lines 550 595) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-12-19 23:39:31,758 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2023-12-19 23:39:31,758 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2023-12-19 23:39:31,758 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2023-12-19 23:39:31,759 INFO L895 garLoopResultBuilder]: At program point L586-2(lines 580 591) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-12-19 23:39:31,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:39:31,759 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2023-12-19 23:39:31,759 INFO L899 garLoopResultBuilder]: For program point L570-1(lines 570 576) no Hoare annotation was computed. [2023-12-19 23:39:31,759 INFO L899 garLoopResultBuilder]: For program point L599(lines 540 603) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-12-19 23:39:31,760 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L895 garLoopResultBuilder]: At program point L596(lines 549 597) the Hoare annotation is: false [2023-12-19 23:39:31,760 INFO L899 garLoopResultBuilder]: For program point L551(lines 550 595) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 591) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 472 483) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 472 483) no Hoare annotation was computed. [2023-12-19 23:39:31,760 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 472 483) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-12-19 23:39:31,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-19 23:39:31,764 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:39:31,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:39:31 BoogieIcfgContainer [2023-12-19 23:39:31,771 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:39:31,771 INFO L158 Benchmark]: Toolchain (without parser) took 2845.87ms. Allocated memory is still 356.5MB. Free memory was 318.1MB in the beginning and 185.0MB in the end (delta: 133.1MB). Peak memory consumption was 134.1MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,772 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 178.3MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:39:31,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.88ms. Allocated memory is still 356.5MB. Free memory was 318.1MB in the beginning and 299.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.98ms. Allocated memory is still 356.5MB. Free memory was 299.3MB in the beginning and 297.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,772 INFO L158 Benchmark]: Boogie Preprocessor took 40.66ms. Allocated memory is still 356.5MB. Free memory was 297.2MB in the beginning and 295.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,772 INFO L158 Benchmark]: RCFGBuilder took 292.21ms. Allocated memory is still 356.5MB. Free memory was 295.1MB in the beginning and 276.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,773 INFO L158 Benchmark]: TraceAbstraction took 2138.10ms. Allocated memory is still 356.5MB. Free memory was 276.2MB in the beginning and 185.0MB in the end (delta: 91.2MB). Peak memory consumption was 92.2MB. Max. memory is 8.0GB. [2023-12-19 23:39:31,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 178.3MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.88ms. Allocated memory is still 356.5MB. Free memory was 318.1MB in the beginning and 299.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.98ms. Allocated memory is still 356.5MB. Free memory was 299.3MB in the beginning and 297.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.66ms. Allocated memory is still 356.5MB. Free memory was 297.2MB in the beginning and 295.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 292.21ms. Allocated memory is still 356.5MB. Free memory was 295.1MB in the beginning and 276.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2138.10ms. Allocated memory is still 356.5MB. Free memory was 276.2MB in the beginning and 185.0MB in the end (delta: 91.2MB). Peak memory consumption was 92.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [452] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] - GenericResultAtLocation [Line: 604]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [604] - GenericResultAtLocation [Line: 732]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [732] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [770] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 193 mSDtfsCounter, 298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=5, InterpolantAutomatonStates: 35, 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 44 PreInvPairs, 52 NumberOfFragments, 138 HoareAnnotationTreeSize, 44 FormulaSimplifications, 258 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FormulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 525 SizeOfPredicates, 0 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 28/48 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: 550]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel == 1)) || (((pumpRunning == 0) && (2 <= waterLevel)) && (splverifierCounter == 0))) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-19 23:39:31,799 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...