/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:56:39,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:56:39,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:56:39,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:56:39,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:56:39,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:56:39,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:56:39,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:56:39,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:56:39,170 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:56:39,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:56:39,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:56:39,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:56:39,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:56:39,172 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:56:39,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:56:39,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:56:39,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:56:39,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:56:39,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:56:39,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:56:39,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:56:39,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:56:39,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:56:39,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:56:39,179 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:56:39,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:56:39,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:56:39,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:56:39,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:56:39,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:56:39,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:56:39,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:56:39,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:56:39,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:56:39,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:56:39,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:56:39,182 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:56:39,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:56:39,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:56:39,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:56:39,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:56:39,408 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:56:39,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2023-12-15 22:56:40,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:56:40,668 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:56:40,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2023-12-15 22:56:40,680 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87769136c/58f40273b8464c118b9ad1418555e1b9/FLAG92c231596 [2023-12-15 22:56:40,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87769136c/58f40273b8464c118b9ad1418555e1b9 [2023-12-15 22:56:40,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:56:40,693 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:56:40,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:56:40,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:56:40,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:56:40,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:40,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24da3fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40, skipping insertion in model container [2023-12-15 22:56:40,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:40,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:56:40,841 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_product27.cil.c[2897,2910] [2023-12-15 22:56:40,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:56:40,927 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:56:40,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-15 22:56:40,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] [2023-12-15 22:56:40,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] [2023-12-15 22:56:40,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [190] [2023-12-15 22:56:40,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2023-12-15 22:56:40,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [351] [2023-12-15 22:56:40,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [538] [2023-12-15 22:56:40,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [573] [2023-12-15 22:56:40,946 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_product27.cil.c[2897,2910] [2023-12-15 22:56:40,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:56:40,990 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:56:40,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40 WrapperNode [2023-12-15 22:56:40,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:56:40,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:56:40,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:56:40,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:56:40,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,032 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 169 [2023-12-15 22:56:41,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:56:41,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:56:41,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:56:41,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:56:41,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,065 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:56:41,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:56:41,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:56:41,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:56:41,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:56:41,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (1/1) ... [2023-12-15 22:56:41,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:56:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:56:41,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:56:41,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:56:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:56:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:56:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:56:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:56:41,195 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:56:41,197 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:56:41,357 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:56:41,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:56:41,403 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:56:41,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:41 BoogieIcfgContainer [2023-12-15 22:56:41,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:56:41,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:56:41,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:56:41,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:56:41,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:56:40" (1/3) ... [2023-12-15 22:56:41,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b1325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:41, skipping insertion in model container [2023-12-15 22:56:41,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:40" (2/3) ... [2023-12-15 22:56:41,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b1325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:41, skipping insertion in model container [2023-12-15 22:56:41,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:41" (3/3) ... [2023-12-15 22:56:41,409 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2023-12-15 22:56:41,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:56:41,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:56:41,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:56:41,486 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;@796bce06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:56:41,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:56:41,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 40 states have (on average 1.575) internal successors, (63), 47 states have internal predecessors, (63), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-15 22:56:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-15 22:56:41,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:41,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:41,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:41,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1437994168, now seen corresponding path program 1 times [2023-12-15 22:56:41,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:41,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119136448] [2023-12-15 22:56:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:41,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:41,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119136448] [2023-12-15 22:56:41,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119136448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:41,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:41,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:56:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087829727] [2023-12-15 22:56:41,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:41,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:56:41,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:41,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:56:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:56:41,659 INFO L87 Difference]: Start difference. First operand has 58 states, 40 states have (on average 1.575) internal successors, (63), 47 states have internal predecessors, (63), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) 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) [2023-12-15 22:56:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:41,705 INFO L93 Difference]: Finished difference Result 114 states and 167 transitions. [2023-12-15 22:56:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:56:41,717 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 [2023-12-15 22:56:41,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:41,722 INFO L225 Difference]: With dead ends: 114 [2023-12-15 22:56:41,723 INFO L226 Difference]: Without dead ends: 53 [2023-12-15 22:56:41,725 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 [2023-12-15 22:56:41,727 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:41,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-15 22:56:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-12-15 22:56:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 43 states have internal predecessors, (53), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-15 22:56:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2023-12-15 22:56:41,754 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 12 [2023-12-15 22:56:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:41,754 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2023-12-15 22:56:41,755 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) [2023-12-15 22:56:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2023-12-15 22:56:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-15 22:56:41,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:41,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:41,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:56:41,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:41,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1220775897, now seen corresponding path program 1 times [2023-12-15 22:56:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:41,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46086052] [2023-12-15 22:56:41,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:41,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46086052] [2023-12-15 22:56:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46086052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:41,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:41,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:56:41,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632113045] [2023-12-15 22:56:41,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:41,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:56:41,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:41,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:56:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:41,818 INFO L87 Difference]: Start difference. First operand 53 states and 72 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) [2023-12-15 22:56:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:41,849 INFO L93 Difference]: Finished difference Result 76 states and 102 transitions. [2023-12-15 22:56:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:56:41,850 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 [2023-12-15 22:56:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:41,851 INFO L225 Difference]: With dead ends: 76 [2023-12-15 22:56:41,852 INFO L226 Difference]: Without dead ends: 45 [2023-12-15 22:56:41,852 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 [2023-12-15 22:56:41,853 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:41,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 85 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:41,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-12-15 22:56:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-12-15 22:56:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.46875) internal successors, (47), 38 states have internal predecessors, (47), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 22:56:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-12-15 22:56:41,858 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 13 [2023-12-15 22:56:41,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:41,859 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-12-15 22:56:41,859 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) [2023-12-15 22:56:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-12-15 22:56:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-15 22:56:41,859 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:41,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:41,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:56:41,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:41,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash 238248873, now seen corresponding path program 1 times [2023-12-15 22:56:41,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:41,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884613556] [2023-12-15 22:56:41,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:41,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:41,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884613556] [2023-12-15 22:56:41,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884613556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:41,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:41,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:56:41,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110318128] [2023-12-15 22:56:41,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:41,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:56:41,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:41,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:56:41,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:56:41,985 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2023-12-15 22:56:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:42,088 INFO L93 Difference]: Finished difference Result 135 states and 190 transitions. [2023-12-15 22:56:42,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:56:42,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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 [2023-12-15 22:56:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:42,090 INFO L225 Difference]: With dead ends: 135 [2023-12-15 22:56:42,090 INFO L226 Difference]: Without dead ends: 92 [2023-12-15 22:56:42,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:56:42,091 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:42,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 143 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:56:42,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-15 22:56:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2023-12-15 22:56:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 63 states have internal predecessors, (80), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2023-12-15 22:56:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2023-12-15 22:56:42,107 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 16 [2023-12-15 22:56:42,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:42,108 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2023-12-15 22:56:42,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2023-12-15 22:56:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2023-12-15 22:56:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-15 22:56:42,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:42,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:42,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:56:42,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:42,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247855, now seen corresponding path program 1 times [2023-12-15 22:56:42,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:42,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072818870] [2023-12-15 22:56:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:42,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:42,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:42,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072818870] [2023-12-15 22:56:42,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072818870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:42,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:42,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:56:42,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523777934] [2023-12-15 22:56:42,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:42,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:56:42,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:42,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:56:42,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:56:42,205 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-12-15 22:56:42,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:42,287 INFO L93 Difference]: Finished difference Result 234 states and 345 transitions. [2023-12-15 22:56:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 22:56:42,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 19 [2023-12-15 22:56:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:42,289 INFO L225 Difference]: With dead ends: 234 [2023-12-15 22:56:42,289 INFO L226 Difference]: Without dead ends: 161 [2023-12-15 22:56:42,290 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 [2023-12-15 22:56:42,291 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 67 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:42,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 184 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:56:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-15 22:56:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 140. [2023-12-15 22:56:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 118 states have internal predecessors, (147), 20 states have call successors, (20), 16 states have call predecessors, (20), 18 states have return successors, (27), 16 states have call predecessors, (27), 20 states have call successors, (27) [2023-12-15 22:56:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 194 transitions. [2023-12-15 22:56:42,307 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 194 transitions. Word has length 19 [2023-12-15 22:56:42,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:42,307 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 194 transitions. [2023-12-15 22:56:42,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-12-15 22:56:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2023-12-15 22:56:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:56:42,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:42,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:42,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:56:42,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:42,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:42,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1215379926, now seen corresponding path program 1 times [2023-12-15 22:56:42,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:42,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602766840] [2023-12-15 22:56:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:42,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:42,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602766840] [2023-12-15 22:56:42,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602766840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:42,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:42,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:56:42,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892138190] [2023-12-15 22:56:42,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:42,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:56:42,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:42,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:56:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:42,353 INFO L87 Difference]: Start difference. First operand 140 states and 194 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2023-12-15 22:56:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:42,370 INFO L93 Difference]: Finished difference Result 248 states and 350 transitions. [2023-12-15 22:56:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:56:42,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 21 [2023-12-15 22:56:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:42,372 INFO L225 Difference]: With dead ends: 248 [2023-12-15 22:56:42,372 INFO L226 Difference]: Without dead ends: 110 [2023-12-15 22:56:42,373 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 [2023-12-15 22:56:42,373 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:42,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 33 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-15 22:56:42,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2023-12-15 22:56:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 81 states have (on average 1.345679012345679) internal successors, (109), 90 states have internal predecessors, (109), 12 states have call successors, (12), 12 states have call predecessors, (12), 14 states have return successors, (16), 14 states have call predecessors, (16), 12 states have call successors, (16) [2023-12-15 22:56:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 137 transitions. [2023-12-15 22:56:42,386 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 137 transitions. Word has length 21 [2023-12-15 22:56:42,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:42,386 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 137 transitions. [2023-12-15 22:56:42,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2023-12-15 22:56:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 137 transitions. [2023-12-15 22:56:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:56:42,387 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:42,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:42,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:56:42,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:42,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1721590443, now seen corresponding path program 1 times [2023-12-15 22:56:42,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:42,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624182122] [2023-12-15 22:56:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:42,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:56:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624182122] [2023-12-15 22:56:42,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624182122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:42,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:42,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:56:42,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7528142] [2023-12-15 22:56:42,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:42,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:56:42,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:42,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:56:42,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:56:42,509 INFO L87 Difference]: Start difference. First operand 108 states and 137 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:42,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:42,660 INFO L93 Difference]: Finished difference Result 318 states and 415 transitions. [2023-12-15 22:56:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 22:56:42,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 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 23 [2023-12-15 22:56:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:42,662 INFO L225 Difference]: With dead ends: 318 [2023-12-15 22:56:42,662 INFO L226 Difference]: Without dead ends: 212 [2023-12-15 22:56:42,662 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 [2023-12-15 22:56:42,663 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 94 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:42,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 133 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:56:42,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-15 22:56:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2023-12-15 22:56:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 120 states have (on average 1.325) internal successors, (159), 133 states have internal predecessors, (159), 19 states have call successors, (19), 19 states have call predecessors, (19), 21 states have return successors, (24), 19 states have call predecessors, (24), 19 states have call successors, (24) [2023-12-15 22:56:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 202 transitions. [2023-12-15 22:56:42,678 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 202 transitions. Word has length 23 [2023-12-15 22:56:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:42,678 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 202 transitions. [2023-12-15 22:56:42,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 202 transitions. [2023-12-15 22:56:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-15 22:56:42,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:42,680 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:42,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:56:42,680 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:42,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1169308734, now seen corresponding path program 1 times [2023-12-15 22:56:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:42,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810156554] [2023-12-15 22:56:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:56:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:56:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:56:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:56:42,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:42,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810156554] [2023-12-15 22:56:42,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810156554] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:56:42,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110061660] [2023-12-15 22:56:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:56:42,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:56:42,880 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) [2023-12-15 22:56:42,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:56:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:42,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 22:56:43,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:56:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:56:43,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:56:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:43,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110061660] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:56:43,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:56:43,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 14 [2023-12-15 22:56:43,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463131269] [2023-12-15 22:56:43,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:56:43,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:56:43,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:43,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:56:43,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:56:43,285 INFO L87 Difference]: Start difference. First operand 161 states and 202 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-15 22:56:43,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:43,441 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2023-12-15 22:56:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:56:43,441 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (11), 7 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 41 [2023-12-15 22:56:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:43,441 INFO L225 Difference]: With dead ends: 214 [2023-12-15 22:56:43,442 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:56:43,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-12-15 22:56:43,444 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 115 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:43,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 215 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:56:43,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:56:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:56:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:56:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:56:43,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-12-15 22:56:43,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:43,446 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:56:43,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-15 22:56:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:56:43,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:56:43,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:56:43,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:56:43,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:56:43,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:56:44,050 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2023-12-15 22:56:44,050 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 440 447) the Hoare annotation is: true [2023-12-15 22:56:44,051 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2023-12-15 22:56:44,051 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2023-12-15 22:56:44,051 INFO L899 garLoopResultBuilder]: For program point L225-1(lines 221 232) no Hoare annotation was computed. [2023-12-15 22:56:44,051 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 221 232) the Hoare annotation is: true [2023-12-15 22:56:44,051 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 221 232) no Hoare annotation was computed. [2023-12-15 22:56:44,051 INFO L895 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-12-15 22:56:44,052 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-12-15 22:56:44,052 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 205) no Hoare annotation was computed. [2023-12-15 22:56:44,052 INFO L899 garLoopResultBuilder]: For program point L201-2(lines 197 208) no Hoare annotation was computed. [2023-12-15 22:56:44,054 INFO L895 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (< |old(~waterLevel~0)| 2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2023-12-15 22:56:44,054 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2023-12-15 22:56:44,054 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2023-12-15 22:56:44,054 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2023-12-15 22:56:44,054 INFO L899 garLoopResultBuilder]: For program point L173-1(lines 165 189) no Hoare annotation was computed. [2023-12-15 22:56:44,054 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 368 374) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 405) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 357 380) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 410) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-12-15 22:56:44,055 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 357 380) no Hoare annotation was computed. [2023-12-15 22:56:44,056 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2023-12-15 22:56:44,056 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 360 379) no Hoare annotation was computed. [2023-12-15 22:56:44,056 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-15 22:56:44,056 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:56:44,056 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-15 22:56:44,058 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-15 22:56:44,064 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-15 22:56:44,064 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-15 22:56:44,064 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-15 22:56:44,064 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 342) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 338) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L895 garLoopResultBuilder]: At program point L317(line 317) 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))) [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L346(lines 285 350) no Hoare annotation was computed. [2023-12-15 22:56:44,065 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2023-12-15 22:56:44,072 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2023-12-15 22:56:44,072 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-12-15 22:56:44,072 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-12-15 22:56:44,072 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:56:44,072 INFO L895 garLoopResultBuilder]: At program point L343(lines 294 344) the Hoare annotation is: false [2023-12-15 22:56:44,072 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: false [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:56:44,073 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 325 338) 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))) [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2023-12-15 22:56:44,073 INFO L895 garLoopResultBuilder]: At program point L340(lines 295 342) 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))) [2023-12-15 22:56:44,073 INFO L895 garLoopResultBuilder]: At program point L307(line 307) 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))) [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 209 220) no Hoare annotation was computed. [2023-12-15 22:56:44,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 209 220) 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)))) [2023-12-15 22:56:44,073 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2023-12-15 22:56:44,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:44,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:56:44,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:56:44 BoogieIcfgContainer [2023-12-15 22:56:44,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:56:44,085 INFO L158 Benchmark]: Toolchain (without parser) took 3391.66ms. Allocated memory was 309.3MB in the beginning and 388.0MB in the end (delta: 78.6MB). Free memory was 256.7MB in the beginning and 348.5MB in the end (delta: -91.9MB). Peak memory consumption was 130.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,085 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:56:44,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.19ms. Allocated memory is still 309.3MB. Free memory was 256.3MB in the beginning and 236.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 309.3MB. Free memory was 236.9MB in the beginning and 234.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,085 INFO L158 Benchmark]: Boogie Preprocessor took 50.54ms. Allocated memory is still 309.3MB. Free memory was 234.8MB in the beginning and 232.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,085 INFO L158 Benchmark]: RCFGBuilder took 318.53ms. Allocated memory is still 309.3MB. Free memory was 232.2MB in the beginning and 212.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,086 INFO L158 Benchmark]: TraceAbstraction took 2679.75ms. Allocated memory was 309.3MB in the beginning and 388.0MB in the end (delta: 78.6MB). Free memory was 211.8MB in the beginning and 348.5MB in the end (delta: -136.8MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. [2023-12-15 22:56:44,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 297.19ms. Allocated memory is still 309.3MB. Free memory was 256.3MB in the beginning and 236.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 309.3MB. Free memory was 236.9MB in the beginning and 234.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.54ms. Allocated memory is still 309.3MB. Free memory was 234.8MB in the beginning and 232.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 318.53ms. Allocated memory is still 309.3MB. Free memory was 232.2MB in the beginning and 212.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2679.75ms. Allocated memory was 309.3MB in the beginning and 388.0MB in the end (delta: 78.6MB). Free memory was 211.8MB in the beginning and 348.5MB in the end (delta: -136.8MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [190] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 351]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [351] - GenericResultAtLocation [Line: 538]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [538] - GenericResultAtLocation [Line: 573]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [573] * 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: 158]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 547 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 475 IncrementalHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 311 mSDtfsCounter, 475 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=6, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 176 PreInvPairs, 196 NumberOfFragments, 225 HoareAnnotationTreeSize, 176 FormulaSimplifications, 470 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FormulaSimplificationsInter, 952 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 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: 295]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel == 1)) || (((pumpRunning == 0) && (2 <= waterLevel)) && (splverifierCounter == 0))) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:56:44,102 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...