/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:44:29,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:44:29,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:44:29,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:44:29,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:44:29,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:44:29,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:44:29,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:44:29,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:44:29,217 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:44:29,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:44:29,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:44:29,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:44:29,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:44:29,218 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:44:29,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:44:29,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:44:29,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:44:29,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:44:29,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:44:29,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:44:29,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:44:29,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:44:29,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:44:29,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:44:29,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:44:29,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:44:29,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:44:29,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:44:29,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:44:29,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:44:29,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:44:29,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:44:29,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:44:29,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:44:29,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:44:29,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:44:29,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:44:29,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:44:29,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:44:29,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:44:29,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:44:29,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:44:29,232 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:44:29,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:44:29,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:44:29,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:44:29,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:44:29,440 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:44:29,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2023-12-16 05:44:30,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:44:31,000 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:44:31,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2023-12-16 05:44:31,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cff40a4/04726d3f510d43e1949613bd0e5bcf37/FLAGc3c8f18ce [2023-12-16 05:44:31,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cff40a4/04726d3f510d43e1949613bd0e5bcf37 [2023-12-16 05:44:31,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:44:31,051 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:44:31,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:44:31,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:44:31,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:44:31,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a89f9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31, skipping insertion in model container [2023-12-16 05:44:31,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:44:31,536 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-12-16 05:44:31,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:44:31,563 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:44:31,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-12-16 05:44:31,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] [2023-12-16 05:44:31,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] [2023-12-16 05:44:31,677 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-12-16 05:44:31,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:44:31,739 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:44:31,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31 WrapperNode [2023-12-16 05:44:31,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:44:31,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:44:31,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:44:31,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:44:31,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,861 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-12-16 05:44:31,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:44:31,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:44:31,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:44:31,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:44:31,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,927 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 05:44:31,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:44:31,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:44:31,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:44:31,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:44:31,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (1/1) ... [2023-12-16 05:44:31,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:44:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:32,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:44:32,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:44:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:44:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 05:44:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 05:44:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 05:44:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 05:44:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 05:44:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 05:44:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 05:44:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 05:44:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 05:44:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-16 05:44:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 05:44:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 05:44:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 05:44:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 05:44:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:44:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 05:44:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 05:44:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:44:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:44:32,253 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:44:32,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:44:32,629 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:44:32,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:44:32,723 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 05:44:32,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:44:32 BoogieIcfgContainer [2023-12-16 05:44:32,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:44:32,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:44:32,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:44:32,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:44:32,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:44:31" (1/3) ... [2023-12-16 05:44:32,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4fc2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:44:32, skipping insertion in model container [2023-12-16 05:44:32,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:44:31" (2/3) ... [2023-12-16 05:44:32,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4fc2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:44:32, skipping insertion in model container [2023-12-16 05:44:32,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:44:32" (3/3) ... [2023-12-16 05:44:32,746 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2023-12-16 05:44:32,758 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:44:32,758 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:44:32,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:44:32,794 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;@4333903d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:44:32,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:44:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 05:44:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 05:44:32,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:32,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:32,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:32,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:32,810 INFO L85 PathProgramCache]: Analyzing trace with hash 867704032, now seen corresponding path program 1 times [2023-12-16 05:44:32,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:32,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213730078] [2023-12-16 05:44:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:44:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:44:32,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:32,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213730078] [2023-12-16 05:44:32,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213730078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:32,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:44:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 05:44:32,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216097749] [2023-12-16 05:44:32,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:32,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:44:32,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:32,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:44:32,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:44:32,978 INFO L87 Difference]: Start difference. First operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:33,035 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-12-16 05:44:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:44:33,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-16 05:44:33,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:33,046 INFO L225 Difference]: With dead ends: 146 [2023-12-16 05:44:33,047 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 05:44:33,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 05:44:33,053 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:33,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 05:44:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 05:44:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 05:44:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-12-16 05:44:33,095 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 17 [2023-12-16 05:44:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:33,095 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-12-16 05:44:33,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-16 05:44:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 05:44:33,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:33,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:33,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 05:44:33,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:33,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:33,103 INFO L85 PathProgramCache]: Analyzing trace with hash -2017276898, now seen corresponding path program 1 times [2023-12-16 05:44:33,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:33,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800946878] [2023-12-16 05:44:33,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:33,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-16 05:44:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:44:33,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:33,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800946878] [2023-12-16 05:44:33,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800946878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:33,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:44:33,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:44:33,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119498107] [2023-12-16 05:44:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:33,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:44:33,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:33,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:44:33,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:44:33,206 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:33,242 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-12-16 05:44:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:44:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-16 05:44:33,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:33,243 INFO L225 Difference]: With dead ends: 108 [2023-12-16 05:44:33,244 INFO L226 Difference]: Without dead ends: 61 [2023-12-16 05:44:33,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:44:33,245 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:33,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 126 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-16 05:44:33,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-16 05:44:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 05:44:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-12-16 05:44:33,252 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 18 [2023-12-16 05:44:33,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:33,252 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-12-16 05:44:33,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-12-16 05:44:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 05:44:33,253 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:33,253 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] [2023-12-16 05:44:33,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 05:44:33,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:33,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2139573733, now seen corresponding path program 1 times [2023-12-16 05:44:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160864095] [2023-12-16 05:44:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 05:44:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:44:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:33,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160864095] [2023-12-16 05:44:33,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160864095] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:33,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:44:33,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 05:44:33,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942686872] [2023-12-16 05:44:33,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:33,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:44:33,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:33,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:44:33,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 05:44:33,320 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:33,398 INFO L93 Difference]: Finished difference Result 158 states and 216 transitions. [2023-12-16 05:44:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:44:33,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-16 05:44:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:33,400 INFO L225 Difference]: With dead ends: 158 [2023-12-16 05:44:33,400 INFO L226 Difference]: Without dead ends: 99 [2023-12-16 05:44:33,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 05:44:33,401 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 106 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:33,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 182 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-12-16 05:44:33,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2023-12-16 05:44:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.462686567164179) internal successors, (98), 78 states have internal predecessors, (98), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2023-12-16 05:44:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions. [2023-12-16 05:44:33,411 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 21 [2023-12-16 05:44:33,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:33,412 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions. [2023-12-16 05:44:33,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 05:44:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2023-12-16 05:44:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 05:44:33,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:33,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:33,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 05:44:33,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:33,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:33,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1948831607, now seen corresponding path program 1 times [2023-12-16 05:44:33,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:33,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528605798] [2023-12-16 05:44:33,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-16 05:44:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:44:33,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528605798] [2023-12-16 05:44:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528605798] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:33,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:44:33,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 05:44:33,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677308299] [2023-12-16 05:44:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:33,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:44:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:44:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:44:33,488 INFO L87 Difference]: Start difference. First operand 96 states and 131 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 05:44:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:33,523 INFO L93 Difference]: Finished difference Result 190 states and 266 transitions. [2023-12-16 05:44:33,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:44:33,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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 24 [2023-12-16 05:44:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:33,525 INFO L225 Difference]: With dead ends: 190 [2023-12-16 05:44:33,525 INFO L226 Difference]: Without dead ends: 188 [2023-12-16 05:44:33,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 05:44:33,526 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 59 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:33,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 138 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-16 05:44:33,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2023-12-16 05:44:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.4580152671755726) internal successors, (191), 152 states have internal predecessors, (191), 32 states have call successors, (32), 24 states have call predecessors, (32), 24 states have return successors, (40), 24 states have call predecessors, (40), 32 states have call successors, (40) [2023-12-16 05:44:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 263 transitions. [2023-12-16 05:44:33,549 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 263 transitions. Word has length 24 [2023-12-16 05:44:33,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:33,550 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 263 transitions. [2023-12-16 05:44:33,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 05:44:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 263 transitions. [2023-12-16 05:44:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-16 05:44:33,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:33,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2023-12-16 05:44:33,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 05:44:33,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:33,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1276838171, now seen corresponding path program 1 times [2023-12-16 05:44:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:33,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300363710] [2023-12-16 05:44:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:33,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-16 05:44:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-16 05:44:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 05:44:33,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:33,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300363710] [2023-12-16 05:44:33,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300363710] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:33,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536129914] [2023-12-16 05:44:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:33,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:33,728 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) [2023-12-16 05:44:33,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:44:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:33,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 05:44:33,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 05:44:33,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:33,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536129914] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:33,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:33,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-12-16 05:44:33,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944243110] [2023-12-16 05:44:33,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:33,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:44:33,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:44:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:44:33,848 INFO L87 Difference]: Start difference. First operand 188 states and 263 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 05:44:33,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:33,910 INFO L93 Difference]: Finished difference Result 399 states and 576 transitions. [2023-12-16 05:44:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:44:33,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2023-12-16 05:44:33,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:33,912 INFO L225 Difference]: With dead ends: 399 [2023-12-16 05:44:33,912 INFO L226 Difference]: Without dead ends: 213 [2023-12-16 05:44:33,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 05:44:33,914 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 54 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:33,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 189 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-12-16 05:44:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 194. [2023-12-16 05:44:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 136 states have (on average 1.375) internal successors, (187), 152 states have internal predecessors, (187), 31 states have call successors, (31), 27 states have call predecessors, (31), 26 states have return successors, (47), 27 states have call predecessors, (47), 31 states have call successors, (47) [2023-12-16 05:44:33,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 265 transitions. [2023-12-16 05:44:33,929 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 265 transitions. Word has length 45 [2023-12-16 05:44:33,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:33,929 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 265 transitions. [2023-12-16 05:44:33,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 05:44:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 265 transitions. [2023-12-16 05:44:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 05:44:33,931 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:33,931 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:33,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:34,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:34,137 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:34,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:34,137 INFO L85 PathProgramCache]: Analyzing trace with hash 951237354, now seen corresponding path program 1 times [2023-12-16 05:44:34,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:34,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33849648] [2023-12-16 05:44:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:34,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:44:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:44:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:44:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-16 05:44:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33849648] [2023-12-16 05:44:34,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33849648] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214224175] [2023-12-16 05:44:34,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:34,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:34,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:44:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:44:34,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 05:44:34,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:34,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214224175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:34,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:34,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-16 05:44:34,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876875032] [2023-12-16 05:44:34,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:34,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:44:34,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:34,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:44:34,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:44:34,356 INFO L87 Difference]: Start difference. First operand 194 states and 265 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 05:44:34,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:34,390 INFO L93 Difference]: Finished difference Result 385 states and 535 transitions. [2023-12-16 05:44:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:44:34,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 68 [2023-12-16 05:44:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:34,392 INFO L225 Difference]: With dead ends: 385 [2023-12-16 05:44:34,392 INFO L226 Difference]: Without dead ends: 193 [2023-12-16 05:44:34,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:44:34,393 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 40 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:34,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 146 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:34,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-12-16 05:44:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2023-12-16 05:44:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 135 states have (on average 1.3185185185185184) internal successors, (178), 150 states have internal predecessors, (178), 31 states have call successors, (31), 27 states have call predecessors, (31), 26 states have return successors, (45), 27 states have call predecessors, (45), 31 states have call successors, (45) [2023-12-16 05:44:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 254 transitions. [2023-12-16 05:44:34,405 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 254 transitions. Word has length 68 [2023-12-16 05:44:34,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:34,405 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 254 transitions. [2023-12-16 05:44:34,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-16 05:44:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 254 transitions. [2023-12-16 05:44:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 05:44:34,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:34,407 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:34,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:34,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-16 05:44:34,613 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:34,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash -508873393, now seen corresponding path program 1 times [2023-12-16 05:44:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:34,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124987876] [2023-12-16 05:44:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:44:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:44:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:44:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:44:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:44:34,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:34,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124987876] [2023-12-16 05:44:34,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124987876] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:34,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926679614] [2023-12-16 05:44:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:34,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:34,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:34,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:34,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:44:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:34,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 05:44:34,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:44:34,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:34,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926679614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:34,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:34,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-12-16 05:44:34,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493999546] [2023-12-16 05:44:34,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:34,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:44:34,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:34,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:44:34,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 05:44:34,870 INFO L87 Difference]: Start difference. First operand 193 states and 254 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:34,904 INFO L93 Difference]: Finished difference Result 388 states and 520 transitions. [2023-12-16 05:44:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:44:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2023-12-16 05:44:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:34,905 INFO L225 Difference]: With dead ends: 388 [2023-12-16 05:44:34,905 INFO L226 Difference]: Without dead ends: 197 [2023-12-16 05:44:34,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 05:44:34,906 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:34,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 210 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:34,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-16 05:44:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2023-12-16 05:44:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 139 states have (on average 1.3093525179856116) internal successors, (182), 154 states have internal predecessors, (182), 31 states have call successors, (31), 27 states have call predecessors, (31), 26 states have return successors, (45), 27 states have call predecessors, (45), 31 states have call successors, (45) [2023-12-16 05:44:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2023-12-16 05:44:34,919 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 70 [2023-12-16 05:44:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:34,920 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2023-12-16 05:44:34,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2023-12-16 05:44:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 05:44:34,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:34,921 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:34,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:35,127 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:35,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash -395899553, now seen corresponding path program 1 times [2023-12-16 05:44:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:35,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165026685] [2023-12-16 05:44:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-16 05:44:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:44:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:44:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:44:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:44:35,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:35,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165026685] [2023-12-16 05:44:35,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165026685] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276353249] [2023-12-16 05:44:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:35,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:35,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:35,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:35,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:44:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:44:35,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:44:35,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:35,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276353249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:35,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:35,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-12-16 05:44:35,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549331742] [2023-12-16 05:44:35,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:35,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:44:35,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:35,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:44:35,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:44:35,314 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:35,342 INFO L93 Difference]: Finished difference Result 378 states and 496 transitions. [2023-12-16 05:44:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:44:35,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2023-12-16 05:44:35,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:35,343 INFO L225 Difference]: With dead ends: 378 [2023-12-16 05:44:35,343 INFO L226 Difference]: Without dead ends: 183 [2023-12-16 05:44:35,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:44:35,344 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 33 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:35,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 162 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:35,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-12-16 05:44:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 172. [2023-12-16 05:44:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 134 states have internal predecessors, (160), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (33), 25 states have call predecessors, (33), 26 states have call successors, (33) [2023-12-16 05:44:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2023-12-16 05:44:35,353 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 73 [2023-12-16 05:44:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:35,353 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2023-12-16 05:44:35,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-12-16 05:44:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 05:44:35,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:35,354 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:35,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:35,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:35,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:35,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:35,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1029466637, now seen corresponding path program 1 times [2023-12-16 05:44:35,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:35,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420249973] [2023-12-16 05:44:35,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:35,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:44:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:44:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:44:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:44:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:44:35,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:35,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420249973] [2023-12-16 05:44:35,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420249973] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:35,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305504799] [2023-12-16 05:44:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:35,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:35,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:35,640 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:35,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:44:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:35,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 05:44:35,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:44:35,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:35,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305504799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:35,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:35,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-16 05:44:35,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067921492] [2023-12-16 05:44:35,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:35,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 05:44:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:35,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 05:44:35,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:44:35,731 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:35,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:35,764 INFO L93 Difference]: Finished difference Result 349 states and 450 transitions. [2023-12-16 05:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 05:44:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2023-12-16 05:44:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:35,765 INFO L225 Difference]: With dead ends: 349 [2023-12-16 05:44:35,765 INFO L226 Difference]: Without dead ends: 179 [2023-12-16 05:44:35,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:44:35,766 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 6 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:35,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 208 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:44:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-16 05:44:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 174. [2023-12-16 05:44:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 136 states have internal predecessors, (162), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (33), 25 states have call predecessors, (33), 26 states have call successors, (33) [2023-12-16 05:44:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 221 transitions. [2023-12-16 05:44:35,823 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 221 transitions. Word has length 70 [2023-12-16 05:44:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:35,823 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 221 transitions. [2023-12-16 05:44:35,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-16 05:44:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 221 transitions. [2023-12-16 05:44:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 05:44:35,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:35,824 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:35,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:36,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:36,032 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:36,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1905485643, now seen corresponding path program 1 times [2023-12-16 05:44:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:36,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231293099] [2023-12-16 05:44:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-16 05:44:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:44:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:44:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:44:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-16 05:44:36,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:36,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231293099] [2023-12-16 05:44:36,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231293099] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:36,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597619155] [2023-12-16 05:44:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:36,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:36,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:36,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:36,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:44:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 05:44:36,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 05:44:36,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:36,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597619155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:36,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:36,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-16 05:44:36,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572442459] [2023-12-16 05:44:36,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:36,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 05:44:36,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:36,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 05:44:36,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-16 05:44:36,370 INFO L87 Difference]: Start difference. First operand 174 states and 221 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-16 05:44:36,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:36,571 INFO L93 Difference]: Finished difference Result 625 states and 836 transitions. [2023-12-16 05:44:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 05:44:36,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 70 [2023-12-16 05:44:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:36,573 INFO L225 Difference]: With dead ends: 625 [2023-12-16 05:44:36,573 INFO L226 Difference]: Without dead ends: 453 [2023-12-16 05:44:36,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:44:36,574 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 173 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:36,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 207 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 05:44:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-12-16 05:44:36,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2023-12-16 05:44:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 322 states have (on average 1.2888198757763976) internal successors, (415), 347 states have internal predecessors, (415), 69 states have call successors, (69), 63 states have call predecessors, (69), 59 states have return successors, (99), 64 states have call predecessors, (99), 69 states have call successors, (99) [2023-12-16 05:44:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 583 transitions. [2023-12-16 05:44:36,597 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 583 transitions. Word has length 70 [2023-12-16 05:44:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:36,597 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 583 transitions. [2023-12-16 05:44:36,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-16 05:44:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 583 transitions. [2023-12-16 05:44:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-16 05:44:36,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:36,599 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:36,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:36,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:36,804 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:36,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:36,804 INFO L85 PathProgramCache]: Analyzing trace with hash -780414223, now seen corresponding path program 1 times [2023-12-16 05:44:36,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:36,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946374602] [2023-12-16 05:44:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-16 05:44:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 05:44:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:44:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:44:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:44:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-16 05:44:36,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:36,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946374602] [2023-12-16 05:44:36,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946374602] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:36,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56920509] [2023-12-16 05:44:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:36,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:36,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:36,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:36,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 05:44:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:36,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 05:44:36,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:44:37,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:44:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-16 05:44:37,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56920509] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:37,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-16 05:44:37,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 14 [2023-12-16 05:44:37,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572498295] [2023-12-16 05:44:37,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:37,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 05:44:37,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 05:44:37,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-16 05:44:37,162 INFO L87 Difference]: Start difference. First operand 451 states and 583 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 05:44:37,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:37,270 INFO L93 Difference]: Finished difference Result 1303 states and 1727 transitions. [2023-12-16 05:44:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 05:44:37,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2023-12-16 05:44:37,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:37,274 INFO L225 Difference]: With dead ends: 1303 [2023-12-16 05:44:37,274 INFO L226 Difference]: Without dead ends: 854 [2023-12-16 05:44:37,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:44:37,275 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 52 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:37,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 318 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:44:37,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-12-16 05:44:37,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 785. [2023-12-16 05:44:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 556 states have (on average 1.25) internal successors, (695), 603 states have internal predecessors, (695), 121 states have call successors, (121), 111 states have call predecessors, (121), 107 states have return successors, (177), 112 states have call predecessors, (177), 121 states have call successors, (177) [2023-12-16 05:44:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 993 transitions. [2023-12-16 05:44:37,315 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 993 transitions. Word has length 74 [2023-12-16 05:44:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:37,316 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 993 transitions. [2023-12-16 05:44:37,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-16 05:44:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 993 transitions. [2023-12-16 05:44:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-16 05:44:37,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:44:37,317 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:37,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 05:44:37,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:37,524 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:44:37,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:44:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1379216651, now seen corresponding path program 1 times [2023-12-16 05:44:37,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:44:37,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056900656] [2023-12-16 05:44:37,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:37,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:44:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-16 05:44:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-16 05:44:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-16 05:44:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-16 05:44:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-16 05:44:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:44:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:44:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:44:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:44:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:44:37,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:44:37,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056900656] [2023-12-16 05:44:37,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056900656] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:44:37,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190390115] [2023-12-16 05:44:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:44:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:44:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:44:37,651 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:44:37,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-16 05:44:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:44:37,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 05:44:37,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:44:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 05:44:37,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:44:37,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190390115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:44:37,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:44:37,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13 [2023-12-16 05:44:37,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471294916] [2023-12-16 05:44:37,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:44:37,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 05:44:37,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:44:37,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 05:44:37,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:44:37,833 INFO L87 Difference]: Start difference. First operand 785 states and 993 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-16 05:44:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:44:37,929 INFO L93 Difference]: Finished difference Result 1425 states and 1797 transitions. [2023-12-16 05:44:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 05:44:37,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2023-12-16 05:44:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:44:37,930 INFO L225 Difference]: With dead ends: 1425 [2023-12-16 05:44:37,931 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 05:44:37,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:44:37,933 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 31 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:44:37,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 469 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:44:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 05:44:37,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 05:44:37,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 05:44:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 05:44:37,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2023-12-16 05:44:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:44:37,934 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 05:44:37,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-16 05:44:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 05:44:37,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 05:44:37,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:44:37,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-16 05:44:38,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-16 05:44:38,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 05:44:40,675 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 362 369) no Hoare annotation was computed. [2023-12-16 05:44:40,676 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 362 369) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2023-12-16 05:44:40,676 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 295 301) no Hoare annotation was computed. [2023-12-16 05:44:40,676 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 295 301) the Hoare annotation is: true [2023-12-16 05:44:40,676 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2023-12-16 05:44:40,677 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 135) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse1 .cse6 .cse3) (or .cse4 .cse0 .cse2 (< ~waterLevel~0 2) .cse7))) [2023-12-16 05:44:40,677 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2023-12-16 05:44:40,678 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2023-12-16 05:44:40,678 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2023-12-16 05:44:40,678 INFO L902 garLoopResultBuilder]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2023-12-16 05:44:40,678 INFO L902 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2023-12-16 05:44:40,678 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2023-12-16 05:44:40,678 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-12-16 05:44:40,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 845 874) the Hoare annotation is: true [2023-12-16 05:44:40,678 INFO L899 garLoopResultBuilder]: For program point L870(lines 845 874) no Hoare annotation was computed. [2023-12-16 05:44:40,678 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-12-16 05:44:40,679 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 274 293) no Hoare annotation was computed. [2023-12-16 05:44:40,679 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2023-12-16 05:44:40,679 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2023-12-16 05:44:40,680 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse8 .cse9)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse6 (not .cse2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or (< |old(~waterLevel~0)| 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse0 .cse1 .cse2) (or .cse7 (and .cse8 (= ~methAndRunningLastTime~0 0) .cse9) .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse6) (or .cse4 .cse7 .cse5) (or .cse4 .cse7 .cse3)))) [2023-12-16 05:44:40,680 INFO L899 garLoopResultBuilder]: For program point L375-1(line 375) no Hoare annotation was computed. [2023-12-16 05:44:40,680 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-12-16 05:44:40,680 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-12-16 05:44:40,680 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-12-16 05:44:40,680 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse6 (not .cse2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1 .cse2) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse6) (or .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse3)))) [2023-12-16 05:44:40,680 INFO L895 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not .cse5))) (let ((.cse3 (and .cse7 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse8 .cse2)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< |old(~waterLevel~0)| 2) .cse4 .cse5 .cse6) (or .cse1 .cse4 .cse5 (and .cse7 .cse8 .cse2)) (or .cse0 .cse6 .cse2) (or .cse9 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse9 .cse1) (or .cse0 .cse9 .cse6))))) [2023-12-16 05:44:40,681 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-16 05:44:40,681 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 294) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse7 (and .cse15 .cse14 .cse12)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse15 .cse14 .cse11 .cse12)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse13 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse15 .cse12 .cse4)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse9 (not .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse6 .cse8 .cse9) (or (and .cse10 .cse11 .cse12) .cse2 .cse13 .cse4 .cse5) (or .cse11 .cse2 .cse6 .cse13 .cse4) (or .cse0 .cse1 .cse7 .cse4 .cse5) (or .cse0 .cse11 .cse2 .cse6 .cse9) (or .cse0 .cse11 .cse2 .cse5 .cse9) (or .cse6 (and .cse10 .cse12) .cse13 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse1 (and .cse10 .cse14 .cse12) .cse13 .cse4 .cse5) (or .cse0 .cse8 .cse5 .cse9)))) [2023-12-16 05:44:40,681 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-12-16 05:44:40,681 INFO L899 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2023-12-16 05:44:40,681 INFO L899 garLoopResultBuilder]: For program point L104-2(lines 100 111) no Hoare annotation was computed. [2023-12-16 05:44:40,681 INFO L895 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (and .cse10 .cse11 (<= 2 ~waterLevel~0) .cse12)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse10 .cse11 .cse12)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse6) (or .cse5 .cse3 .cse7 .cse0 .cse8) (or .cse5 .cse3 .cse7 .cse8 .cse4) (or .cse5 .cse3 .cse0 .cse9) (or .cse7 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse9 .cse4) (or .cse5 .cse4 .cse6)))) [2023-12-16 05:44:40,681 INFO L899 garLoopResultBuilder]: For program point L348-1(lines 329 353) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 271 294) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse3 (not .cse7)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (and .cse14 .cse5)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse13 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse11 .cse5)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse8 (and .cse14 .cse5 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (and .cse4 .cse5) .cse6 .cse7 .cse8) (or .cse0 .cse2 .cse9 .cse3) (or .cse0 .cse10 .cse11 .cse12 .cse1) (or .cse12 .cse6 .cse7 .cse9 .cse8) (or .cse0 .cse11 .cse12 .cse1 .cse3) (or .cse10 .cse6 .cse7 .cse9 .cse8) (or .cse0 .cse13 .cse10 .cse1 .cse7 .cse8) (or .cse0 .cse11 .cse12 .cse9 .cse3) (or (and .cse14 .cse11 .cse5 .cse3) .cse0 .cse13 .cse10 .cse12 .cse7 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse10 .cse7 .cse9 .cse8))))) [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 144) the Hoare annotation is: true [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L259(lines 196 263) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 232) no Hoare annotation was computed. [2023-12-16 05:44:40,682 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse5 .cse7 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse6))) [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L895 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L895 garLoopResultBuilder]: At program point L244-2(lines 236 251) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse1 .cse5 .cse3 .cse4 .cse8) (and .cse7 .cse2 .cse3 .cse4 .cse8)))) [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 05:44:40,683 INFO L895 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse5 .cse7 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse6))) [2023-12-16 05:44:40,683 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2023-12-16 05:44:40,683 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2023-12-16 05:44:40,684 INFO L899 garLoopResultBuilder]: For program point L930-2(lines 930 937) no Hoare annotation was computed. [2023-12-16 05:44:40,684 INFO L895 garLoopResultBuilder]: At program point L253(lines 206 255) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse5 .cse7 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse6))) [2023-12-16 05:44:40,684 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-12-16 05:44:40,684 INFO L899 garLoopResultBuilder]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2023-12-16 05:44:40,684 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 303 327) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 303 327) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (<= 1 ~pumpRunning~0) .cse4 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 177 190) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse0 .cse1 .cse3 .cse4) (or .cse2 .cse1 .cse3 (< ~methaneLevelCritical~0 1) .cse4))) [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 303 327) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2023-12-16 05:44:40,685 INFO L899 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2023-12-16 05:44:40,686 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or (<= 1 ~pumpRunning~0) .cse1 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-12-16 05:44:40,686 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2023-12-16 05:44:40,687 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 123) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse9 .cse2)) (.cse5 (< ~pumpRunning~0 1)) (.cse7 (= 0 ~systemActive~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse5 .cse1 .cse2 .cse7 .cse3) (or .cse0 .cse9 .cse6 .cse1 .cse3) (or .cse0 .cse9 .cse6 .cse3 .cse8) (or .cse0 .cse2 .cse3 .cse8)))) [2023-12-16 05:44:40,687 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2023-12-16 05:44:40,688 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:44:40,690 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:44:40,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:44:40 BoogieIcfgContainer [2023-12-16 05:44:40,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:44:40,702 INFO L158 Benchmark]: Toolchain (without parser) took 9651.43ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 163.7MB in the beginning and 161.6MB in the end (delta: 2.1MB). Peak memory consumption was 133.2MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,702 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 176.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:44:40,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.59ms. Allocated memory is still 217.1MB. Free memory was 163.7MB in the beginning and 143.7MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.63ms. Allocated memory is still 217.1MB. Free memory was 143.7MB in the beginning and 141.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,703 INFO L158 Benchmark]: Boogie Preprocessor took 100.44ms. Allocated memory is still 217.1MB. Free memory was 141.7MB in the beginning and 139.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,703 INFO L158 Benchmark]: RCFGBuilder took 760.86ms. Allocated memory is still 217.1MB. Free memory was 139.1MB in the beginning and 181.8MB in the end (delta: -42.7MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,704 INFO L158 Benchmark]: TraceAbstraction took 7976.72ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 180.7MB in the beginning and 161.6MB in the end (delta: 19.2MB). Peak memory consumption was 149.2MB. Max. memory is 8.0GB. [2023-12-16 05:44:40,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 176.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 692.59ms. Allocated memory is still 217.1MB. Free memory was 163.7MB in the beginning and 143.7MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 100.63ms. Allocated memory is still 217.1MB. Free memory was 143.7MB in the beginning and 141.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.44ms. Allocated memory is still 217.1MB. Free memory was 141.7MB in the beginning and 139.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 760.86ms. Allocated memory is still 217.1MB. Free memory was 139.1MB in the beginning and 181.8MB in the end (delta: -42.7MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7976.72ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 180.7MB in the beginning and 161.6MB in the end (delta: 19.2MB). Peak memory consumption was 149.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] - GenericResultAtLocation [Line: 264]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] - GenericResultAtLocation [Line: 468]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] - GenericResultAtLocation [Line: 943]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] * 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: 839]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 593 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 570 mSDsluCounter, 2440 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1454 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 741 IncrementalHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 986 mSDtfsCounter, 741 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 724 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=11, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 109 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 1047 PreInvPairs, 1190 NumberOfFragments, 1834 HoareAnnotationTreeSize, 1047 FormulaSimplifications, 96 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FormulaSimplificationsInter, 8275 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1176 NumberOfCodeBlocks, 1176 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1229 ConstructedInterpolants, 0 QuantifiedInterpolants, 2073 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2236 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 443/462 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: 206]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) || ((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (tmp == 1)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 <= waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-16 05:44:40,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...