/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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:54:37,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:54:37,998 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 22:54:38,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:54:38,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:54:38,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:54:38,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:54:38,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:54:38,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:54:38,025 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:54:38,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:54:38,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:54:38,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:54:38,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:54:38,027 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:54:38,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:54:38,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:54:38,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:54:38,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:54:38,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:54:38,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:54:38,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:54:38,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:54:38,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:54:38,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:54:38,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:54:38,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:54:38,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:54:38,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:54:38,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:54:38,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:54:38,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:54:38,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:54:38,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:54:38,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:54:38,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:54:38,256 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:54:38,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2023-12-15 22:54:39,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:54:39,473 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:54:39,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2023-12-15 22:54:39,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1704fa3df/562a07da461a48d6889b05a3a016d3e9/FLAG430f3dfb3 [2023-12-15 22:54:39,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1704fa3df/562a07da461a48d6889b05a3a016d3e9 [2023-12-15 22:54:39,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:54:39,500 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:54:39,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:54:39,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:54:39,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:54:39,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:39,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fadf68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39, skipping insertion in model container [2023-12-15 22:54:39,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:39,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:54:39,743 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_spec1_product32.cil.c[17338,17351] [2023-12-15 22:54:39,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:54:39,765 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:54:39,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-15 22:54:39,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2023-12-15 22:54:39,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2023-12-15 22:54:39,867 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_spec1_product32.cil.c[17338,17351] [2023-12-15 22:54:39,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:54:39,902 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:54:39,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39 WrapperNode [2023-12-15 22:54:39,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:54:39,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:54:39,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:54:39,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:54:39,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:39,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:39,974 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 177 [2023-12-15 22:54:39,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:54:39,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:54:39,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:54:39,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:54:40,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,025 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 22:54:40,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:54:40,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:54:40,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:54:40,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:54:40,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (1/1) ... [2023-12-15 22:54:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:54:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:54:40,092 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 22:54:40,106 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 22:54:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:54:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:54:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:54:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:54:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:54:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:54:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:54:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:54:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-15 22:54:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-15 22:54:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:54:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:54:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:54:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:54:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:54:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:54:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:54:40,168 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:54:40,170 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:54:40,344 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:54:40,386 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:54:40,386 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:54:40,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:54:40 BoogieIcfgContainer [2023-12-15 22:54:40,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:54:40,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:54:40,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:54:40,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:54:40,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:54:39" (1/3) ... [2023-12-15 22:54:40,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f79942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:54:40, skipping insertion in model container [2023-12-15 22:54:40,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:54:39" (2/3) ... [2023-12-15 22:54:40,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f79942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:54:40, skipping insertion in model container [2023-12-15 22:54:40,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:54:40" (3/3) ... [2023-12-15 22:54:40,401 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2023-12-15 22:54:40,413 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:54:40,413 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:54:40,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:54:40,448 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;@171ddc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:54:40,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:54:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 49 states have (on average 1.510204081632653) internal successors, (74), 58 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-15 22:54:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-15 22:54:40,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:54:40,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:54:40,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:54:40,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:54:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash -982965961, now seen corresponding path program 1 times [2023-12-15 22:54:40,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:54:40,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837220068] [2023-12-15 22:54:40,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:54:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:54:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:54:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,631 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 22:54:40,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:54:40,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837220068] [2023-12-15 22:54:40,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837220068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:54:40,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:54:40,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:54:40,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901242303] [2023-12-15 22:54:40,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:54:40,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:54:40,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:54:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:54:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:54:40,673 INFO L87 Difference]: Start difference. First operand has 76 states, 49 states have (on average 1.510204081632653) internal successors, (74), 58 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 22:54:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:54:40,735 INFO L93 Difference]: Finished difference Result 150 states and 213 transitions. [2023-12-15 22:54:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:54:40,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-12-15 22:54:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:54:40,743 INFO L225 Difference]: With dead ends: 150 [2023-12-15 22:54:40,743 INFO L226 Difference]: Without dead ends: 71 [2023-12-15 22:54:40,745 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 22:54:40,747 INFO L413 NwaCegarLoop]: 86 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, 86 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 22:54:40,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:54:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-15 22:54:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-15 22:54:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-15 22:54:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2023-12-15 22:54:40,789 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 16 [2023-12-15 22:54:40,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:54:40,789 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2023-12-15 22:54:40,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 22:54:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-12-15 22:54:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:54:40,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:54:40,792 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 22:54:40,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:54:40,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:54:40,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:54:40,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1462363695, now seen corresponding path program 1 times [2023-12-15 22:54:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:54:40,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328365523] [2023-12-15 22:54:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:54:40,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:54:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:54:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,863 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 22:54:40,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:54:40,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328365523] [2023-12-15 22:54:40,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328365523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:54:40,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:54:40,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:54:40,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183230126] [2023-12-15 22:54:40,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:54:40,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:54:40,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:54:40,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:54:40,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:54:40,866 INFO L87 Difference]: Start difference. First operand 71 states and 95 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:54:40,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:54:40,893 INFO L93 Difference]: Finished difference Result 112 states and 148 transitions. [2023-12-15 22:54:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:54:40,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:54:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:54:40,894 INFO L225 Difference]: With dead ends: 112 [2023-12-15 22:54:40,894 INFO L226 Difference]: Without dead ends: 63 [2023-12-15 22:54:40,895 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 22:54:40,896 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 128 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 22:54:40,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 128 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:54:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-15 22:54:40,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-15 22:54:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 49 states have internal predecessors, (58), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 22:54:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2023-12-15 22:54:40,904 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 17 [2023-12-15 22:54:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:54:40,904 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2023-12-15 22:54:40,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:54:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-12-15 22:54:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-15 22:54:40,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:54:40,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:54:40,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:54:40,907 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:54:40,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:54:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash -965908284, now seen corresponding path program 1 times [2023-12-15 22:54:40,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:54:40,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974537623] [2023-12-15 22:54:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:54:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:54:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:54:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:40,998 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 22:54:40,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:54:40,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974537623] [2023-12-15 22:54:40,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974537623] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:54:40,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:54:40,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:54:40,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334991989] [2023-12-15 22:54:40,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:54:40,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:54:40,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:54:40,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:54:41,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:54:41,000 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:54:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:54:41,054 INFO L93 Difference]: Finished difference Result 185 states and 249 transitions. [2023-12-15 22:54:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:54:41,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-12-15 22:54:41,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:54:41,057 INFO L225 Difference]: With dead ends: 185 [2023-12-15 22:54:41,057 INFO L226 Difference]: Without dead ends: 124 [2023-12-15 22:54:41,057 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 22:54:41,058 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 78 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 151 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 22:54:41,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 151 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:54:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-15 22:54:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2023-12-15 22:54:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 93 states have internal predecessors, (111), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-15 22:54:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 163 transitions. [2023-12-15 22:54:41,096 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 163 transitions. Word has length 20 [2023-12-15 22:54:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:54:41,097 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 163 transitions. [2023-12-15 22:54:41,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:54:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2023-12-15 22:54:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:54:41,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:54:41,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:54:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:54:41,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:54:41,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:54:41,099 INFO L85 PathProgramCache]: Analyzing trace with hash -383541838, now seen corresponding path program 1 times [2023-12-15 22:54:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:54:41,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101022257] [2023-12-15 22:54:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:54:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:54:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:54:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:54:41,200 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 22:54:41,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:54:41,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101022257] [2023-12-15 22:54:41,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101022257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:54:41,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:54:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:54:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573087084] [2023-12-15 22:54:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:54:41,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:54:41,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:54:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:54:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:54:41,202 INFO L87 Difference]: Start difference. First operand 121 states and 163 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 22:54:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:54:41,256 INFO L93 Difference]: Finished difference Result 202 states and 273 transitions. [2023-12-15 22:54:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:54:41,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2023-12-15 22:54:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:54:41,257 INFO L225 Difference]: With dead ends: 202 [2023-12-15 22:54:41,257 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:54:41,258 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 22:54:41,259 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 22:54:41,260 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 22:54:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:54:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:54:41,260 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 22:54:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:54:41,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-15 22:54:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:54:41,261 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:54:41,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 22:54:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:54:41,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:54:41,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:54:41,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:54:41,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:54:41,406 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2023-12-15 22:54:41,406 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 765 772) the Hoare annotation is: true [2023-12-15 22:54:41,406 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 681 687) no Hoare annotation was computed. [2023-12-15 22:54:41,406 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 681 687) the Hoare annotation is: true [2023-12-15 22:54:41,407 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-12-15 22:54:41,407 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-12-15 22:54:41,407 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-12-15 22:54:41,407 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2023-12-15 22:54:41,407 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 882 911) no Hoare annotation was computed. [2023-12-15 22:54:41,408 INFO L902 garLoopResultBuilder]: At program point L896-1(lines 896 900) the Hoare annotation is: true [2023-12-15 22:54:41,409 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 906) the Hoare annotation is: true [2023-12-15 22:54:41,409 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-12-15 22:54:41,409 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-12-15 22:54:41,409 INFO L899 garLoopResultBuilder]: For program point L907(lines 882 911) no Hoare annotation was computed. [2023-12-15 22:54:41,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 911) the Hoare annotation is: true [2023-12-15 22:54:41,409 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2023-12-15 22:54:41,409 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:54:41,410 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:54:41,410 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 573) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 552 576) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2023-12-15 22:54:41,411 INFO L899 garLoopResultBuilder]: For program point L429-2(lines 425 436) no Hoare annotation was computed. [2023-12-15 22:54:41,412 INFO L899 garLoopResultBuilder]: For program point L661-1(lines 660 679) no Hoare annotation was computed. [2023-12-15 22:54:41,412 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2023-12-15 22:54:41,412 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2023-12-15 22:54:41,412 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:54:41,413 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2023-12-15 22:54:41,417 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-12-15 22:54:41,418 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:54:41,418 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2023-12-15 22:54:41,418 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2023-12-15 22:54:41,418 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 469) the Hoare annotation is: true [2023-12-15 22:54:41,418 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2023-12-15 22:54:41,418 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 636) no Hoare annotation was computed. [2023-12-15 22:54:41,418 INFO L895 garLoopResultBuilder]: At program point L630-2(lines 622 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:54:41,419 INFO L899 garLoopResultBuilder]: For program point L593(lines 592 641) no Hoare annotation was computed. [2023-12-15 22:54:41,421 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 637) no Hoare annotation was computed. [2023-12-15 22:54:41,421 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:54:41,421 INFO L895 garLoopResultBuilder]: At program point L639(lines 592 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 608) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: false [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L645(lines 582 649) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 618) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 970) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2023-12-15 22:54:41,422 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 970) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L895 garLoopResultBuilder]: At program point L604(line 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 858) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L895 garLoopResultBuilder]: At program point L642(lines 591 643) the Hoare annotation is: false [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 689 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:54:41,423 INFO L895 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:54:41,423 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 689 713) no Hoare annotation was computed. [2023-12-15 22:54:41,423 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2023-12-15 22:54:41,424 INFO L899 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2023-12-15 22:54:41,424 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-15 22:54:41,424 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2023-12-15 22:54:41,424 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2023-12-15 22:54:41,424 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2023-12-15 22:54:41,424 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 783) the Hoare annotation is: true [2023-12-15 22:54:41,424 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-12-15 22:54:41,426 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 22:54:41,429 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:54:41,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:54:41 BoogieIcfgContainer [2023-12-15 22:54:41,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:54:41,440 INFO L158 Benchmark]: Toolchain (without parser) took 1940.10ms. Allocated memory is still 299.9MB. Free memory was 247.4MB in the beginning and 194.9MB in the end (delta: 52.6MB). Peak memory consumption was 53.0MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,441 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 224.4MB. Free memory is still 176.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:54:41,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.51ms. Allocated memory is still 299.9MB. Free memory was 247.0MB in the beginning and 227.5MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.21ms. Allocated memory is still 299.9MB. Free memory was 227.1MB in the beginning and 225.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,442 INFO L158 Benchmark]: Boogie Preprocessor took 78.08ms. Allocated memory is still 299.9MB. Free memory was 225.0MB in the beginning and 222.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,443 INFO L158 Benchmark]: RCFGBuilder took 320.82ms. Allocated memory is still 299.9MB. Free memory was 222.9MB in the beginning and 201.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,443 INFO L158 Benchmark]: TraceAbstraction took 1042.49ms. Allocated memory is still 299.9MB. Free memory was 200.9MB in the beginning and 194.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2023-12-15 22:54:41,445 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 224.4MB. Free memory is still 176.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 402.51ms. Allocated memory is still 299.9MB. Free memory was 247.0MB in the beginning and 227.5MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.21ms. Allocated memory is still 299.9MB. Free memory was 227.1MB in the beginning and 225.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.08ms. Allocated memory is still 299.9MB. Free memory was 225.0MB in the beginning and 222.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 320.82ms. Allocated memory is still 299.9MB. Free memory was 222.9MB in the beginning and 201.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1042.49ms. Allocated memory is still 299.9MB. Free memory was 200.9MB in the beginning and 194.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * 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: 876]: 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 10 procedures, 76 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: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 276 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=121occurred 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, 27 LocationsWithAnnotation, 182 PreInvPairs, 194 NumberOfFragments, 101 HoareAnnotationTreeSize, 182 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FormulaSimplificationsInter, 239 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:54:41,479 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...