/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:55:12,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:55:12,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:55:12,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:55:12,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:55:12,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:55:12,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:55:12,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:55:12,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:55:12,756 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:55:12,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:55:12,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:55:12,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:55:12,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:55:12,758 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:55:12,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:55:12,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:55:12,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:55:12,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:55:12,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:55:12,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:55:12,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:55:12,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:55:12,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:55:12,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:55:12,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:55:12,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:55:12,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:55:12,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:55:12,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:12,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:55:12,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:55:12,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:55:12,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:55:12,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:55:12,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:55:12,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:55:12,765 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:55:12,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:55:12,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:55:12,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:55:12,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:55:13,003 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:55:13,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2023-12-15 22:55:14,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:55:14,287 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:55:14,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2023-12-15 22:55:14,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c9577bc/593fba0d2385488dafe7db6a12afcb00/FLAG1bd15208a [2023-12-15 22:55:14,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c9577bc/593fba0d2385488dafe7db6a12afcb00 [2023-12-15 22:55:14,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:55:14,309 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:55:14,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:14,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:55:14,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:55:14,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f46bb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14, skipping insertion in model container [2023-12-15 22:55:14,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:55:14,545 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_product24.cil.c[17451,17464] [2023-12-15 22:55:14,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:14,562 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:55:14,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-15 22:55:14,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2023-12-15 22:55:14,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] [2023-12-15 22:55:14,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] [2023-12-15 22:55:14,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] [2023-12-15 22:55:14,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] [2023-12-15 22:55:14,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] [2023-12-15 22:55:14,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] [2023-12-15 22:55:14,607 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_product24.cil.c[17451,17464] [2023-12-15 22:55:14,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:14,622 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:55:14,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14 WrapperNode [2023-12-15 22:55:14,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:14,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:14,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:55:14,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:55:14,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,666 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 194 [2023-12-15 22:55:14,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:14,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:55:14,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:55:14,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:55:14,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,692 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:55:14,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:55:14,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:55:14,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:55:14,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:55:14,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (1/1) ... [2023-12-15 22:55:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:14,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:14,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:55:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:55:14,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:55:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:55:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:55:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:55:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:55:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:55:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:55:14,851 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:55:14,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:55:15,085 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:55:15,134 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:55:15,134 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:55:15,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:15 BoogieIcfgContainer [2023-12-15 22:55:15,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:55:15,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:55:15,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:55:15,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:55:15,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:55:14" (1/3) ... [2023-12-15 22:55:15,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8986c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:15, skipping insertion in model container [2023-12-15 22:55:15,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:14" (2/3) ... [2023-12-15 22:55:15,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8986c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:15, skipping insertion in model container [2023-12-15 22:55:15,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:15" (3/3) ... [2023-12-15 22:55:15,140 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2023-12-15 22:55:15,152 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:55:15,152 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:55:15,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:55:15,187 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;@18bf4c63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:55:15,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:55:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-15 22:55:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:55:15,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:15,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:15,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:15,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash 196515801, now seen corresponding path program 1 times [2023-12-15 22:55:15,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:15,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924426452] [2023-12-15 22:55:15,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:15,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924426452] [2023-12-15 22:55:15,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924426452] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:15,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:55:15,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876060552] [2023-12-15 22:55:15,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:55:15,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:15,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:55:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:15,389 INFO L87 Difference]: Start difference. First operand has 73 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:15,459 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2023-12-15 22:55:15,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:55:15,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-15 22:55:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:15,470 INFO L225 Difference]: With dead ends: 144 [2023-12-15 22:55:15,470 INFO L226 Difference]: Without dead ends: 68 [2023-12-15 22:55:15,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:15,477 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2023-12-15 22:55:15,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:15,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-15 22:55:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-12-15 22:55:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 53 states have internal predecessors, (64), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 22:55:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2023-12-15 22:55:15,522 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 17 [2023-12-15 22:55:15,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:15,523 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2023-12-15 22:55:15,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-12-15 22:55:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-15 22:55:15,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:15,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:15,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:55:15,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:15,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -742312425, now seen corresponding path program 1 times [2023-12-15 22:55:15,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:15,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551696373] [2023-12-15 22:55:15,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:15,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:55:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:15,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551696373] [2023-12-15 22:55:15,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551696373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:15,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:15,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:15,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135460915] [2023-12-15 22:55:15,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:15,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:15,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:15,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:15,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:15,630 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:15,656 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2023-12-15 22:55:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:15,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-15 22:55:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:15,658 INFO L225 Difference]: With dead ends: 106 [2023-12-15 22:55:15,658 INFO L226 Difference]: Without dead ends: 60 [2023-12-15 22:55:15,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:15,659 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 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 [2023-12-15 22:55:15,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-12-15 22:55:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-12-15 22:55:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 40 states have (on average 1.45) internal successors, (58), 48 states have internal predecessors, (58), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-15 22:55:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 82 transitions. [2023-12-15 22:55:15,666 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 82 transitions. Word has length 18 [2023-12-15 22:55:15,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:15,666 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 82 transitions. [2023-12-15 22:55:15,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2023-12-15 22:55:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:55:15,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:15,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:15,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:55:15,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:15,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 180888111, now seen corresponding path program 1 times [2023-12-15 22:55:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:15,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285843171] [2023-12-15 22:55:15,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:15,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285843171] [2023-12-15 22:55:15,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285843171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:15,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:15,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:15,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443787949] [2023-12-15 22:55:15,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:15,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:15,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:15,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:15,737 INFO L87 Difference]: Start difference. First operand 60 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:15,802 INFO L93 Difference]: Finished difference Result 176 states and 243 transitions. [2023-12-15 22:55:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:15,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-15 22:55:15,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:15,804 INFO L225 Difference]: With dead ends: 176 [2023-12-15 22:55:15,805 INFO L226 Difference]: Without dead ends: 118 [2023-12-15 22:55:15,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:15,806 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 76 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:15,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 150 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:15,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-15 22:55:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-12-15 22:55:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 91 states have internal predecessors, (111), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-15 22:55:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 159 transitions. [2023-12-15 22:55:15,823 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 159 transitions. Word has length 21 [2023-12-15 22:55:15,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:15,823 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 159 transitions. [2023-12-15 22:55:15,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2023-12-15 22:55:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-15 22:55:15,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:15,825 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] [2023-12-15 22:55:15,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:55:15,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:15,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1420088628, now seen corresponding path program 1 times [2023-12-15 22:55:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:15,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594838959] [2023-12-15 22:55:15,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:55:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:15,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594838959] [2023-12-15 22:55:15,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594838959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:15,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:15,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:55:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494498932] [2023-12-15 22:55:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:15,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:15,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:15,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:55:15,923 INFO L87 Difference]: Start difference. First operand 115 states and 159 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2023-12-15 22:55:15,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:15,982 INFO L93 Difference]: Finished difference Result 196 states and 269 transitions. [2023-12-15 22:55:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:55:15,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 [2023-12-15 22:55:15,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:15,982 INFO L225 Difference]: With dead ends: 196 [2023-12-15 22:55:15,982 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:55:15,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:55:15,984 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:15,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 73 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:55:15,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:55:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:55:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:55:15,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-12-15 22:55:15,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:15,986 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:55:15,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2023-12-15 22:55:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:55:15,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:55:15,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:55:15,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:55:15,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:55:16,143 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 156 163) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 156 163) the Hoare annotation is: true [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2023-12-15 22:55:16,144 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 913 924) the Hoare annotation is: true [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 913 924) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 740 769) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point L765(lines 740 769) no Hoare annotation was computed. [2023-12-15 22:55:16,144 INFO L899 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2023-12-15 22:55:16,146 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2023-12-15 22:55:16,146 INFO L902 garLoopResultBuilder]: At program point L754-1(lines 754 758) the Hoare annotation is: true [2023-12-15 22:55:16,147 INFO L902 garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: true [2023-12-15 22:55:16,147 INFO L902 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true [2023-12-15 22:55:16,147 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 740 769) the Hoare annotation is: true [2023-12-15 22:55:16,147 INFO L899 garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed. [2023-12-15 22:55:16,147 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 925 933) the Hoare annotation is: true [2023-12-15 22:55:16,147 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 925 933) no Hoare annotation was computed. [2023-12-15 22:55:16,147 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:55:16,147 INFO L899 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2023-12-15 22:55:16,147 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed. [2023-12-15 22:55:16,148 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2023-12-15 22:55:16,148 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2023-12-15 22:55:16,148 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:55:16,148 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2023-12-15 22:55:16,149 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed. [2023-12-15 22:55:16,149 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed. [2023-12-15 22:55:16,149 INFO L899 garLoopResultBuilder]: For program point L855-1(lines 847 875) no Hoare annotation was computed. [2023-12-15 22:55:16,149 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 88) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:55:16,149 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:55:16,149 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:55:16,150 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2023-12-15 22:55:16,154 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2023-12-15 22:55:16,154 INFO L899 garLoopResultBuilder]: For program point L893-2(lines 889 900) no Hoare annotation was computed. [2023-12-15 22:55:16,154 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2023-12-15 22:55:16,154 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L329(lines 266 333) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 296 302) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L895 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2023-12-15 22:55:16,155 INFO L899 garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L895 garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L895 garLoopResultBuilder]: At program point L314-2(lines 306 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L895 garLoopResultBuilder]: At program point L323(lines 276 325) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed. [2023-12-15 22:55:16,156 INFO L899 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2023-12-15 22:55:16,157 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 823 830) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 901 912) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 912) the Hoare annotation is: true [2023-12-15 22:55:16,157 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:55:16,157 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2023-12-15 22:55:16,157 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 97 121) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:55:16,158 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2023-12-15 22:55:16,158 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:55:16,158 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:55:16,158 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2023-12-15 22:55:16,158 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2023-12-15 22:55:16,158 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2023-12-15 22:55:16,159 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed. [2023-12-15 22:55:16,160 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 22:55:16,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:55:16,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:55:16 BoogieIcfgContainer [2023-12-15 22:55:16,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:55:16,174 INFO L158 Benchmark]: Toolchain (without parser) took 1865.13ms. Allocated memory is still 350.2MB. Free memory was 286.6MB in the beginning and 158.1MB in the end (delta: 128.5MB). Peak memory consumption was 129.0MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,175 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory was 161.8MB in the beginning and 161.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:55:16,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.05ms. Allocated memory is still 350.2MB. Free memory was 286.6MB in the beginning and 266.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.78ms. Allocated memory is still 350.2MB. Free memory was 266.6MB in the beginning and 264.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,175 INFO L158 Benchmark]: Boogie Preprocessor took 40.37ms. Allocated memory is still 350.2MB. Free memory was 264.6MB in the beginning and 262.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,176 INFO L158 Benchmark]: RCFGBuilder took 417.78ms. Allocated memory is still 350.2MB. Free memory was 261.9MB in the beginning and 239.4MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,176 INFO L158 Benchmark]: TraceAbstraction took 1038.48ms. Allocated memory is still 350.2MB. Free memory was 238.9MB in the beginning and 158.1MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2023-12-15 22:55:16,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory was 161.8MB in the beginning and 161.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 313.05ms. Allocated memory is still 350.2MB. Free memory was 286.6MB in the beginning and 266.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.78ms. Allocated memory is still 350.2MB. Free memory was 266.6MB in the beginning and 264.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.37ms. Allocated memory is still 350.2MB. Free memory was 264.6MB in the beginning and 262.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 417.78ms. Allocated memory is still 350.2MB. Free memory was 261.9MB in the beginning and 239.4MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1038.48ms. Allocated memory is still 350.2MB. Free memory was 238.9MB in the beginning and 158.1MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] - GenericResultAtLocation [Line: 738]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] - GenericResultAtLocation [Line: 876]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] * 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: 881]: 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, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 431 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 273 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 172 PreInvPairs, 184 NumberOfFragments, 99 HoareAnnotationTreeSize, 172 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FormulaSimplificationsInter, 239 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 276]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:55:16,219 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...