/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:11:04,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:11:04,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 10:11:04,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:11:04,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:11:04,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:11:04,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:11:04,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:11:04,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:11:04,955 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:11:04,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:11:04,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:11:04,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:11:04,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:11:04,957 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:11:04,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:11:04,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:11:04,958 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:11:04,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:11:04,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:11:04,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:11:04,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:11:04,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:11:04,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:11:04,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:11:04,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:11:04,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:11:04,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:11:04,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:11:04,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:11:04,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:11:04,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:11:04,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:11:04,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:11:04,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:11:04,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:11:04,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:11:04,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:11:05,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:11:05,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:11:05,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:11:05,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:11:05,171 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:11:05,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2023-12-21 10:11:06,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:11:06,353 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:11:06,353 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2023-12-21 10:11:06,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc822aa0a/e538c75c447f45f68e1b5d2da5a38cd7/FLAG5e988c62d [2023-12-21 10:11:06,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc822aa0a/e538c75c447f45f68e1b5d2da5a38cd7 [2023-12-21 10:11:06,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:11:06,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:11:06,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:11:06,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:11:06,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:11:06,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be3fc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06, skipping insertion in model container [2023-12-21 10:11:06,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:11:06,573 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_product29.cil.c[5259,5272] [2023-12-21 10:11:06,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:11:06,654 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:11:06,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [322] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [331] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [432] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [471] [2023-12-21 10:11:06,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [506] [2023-12-21 10:11:06,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [596] [2023-12-21 10:11:06,675 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_product29.cil.c[5259,5272] [2023-12-21 10:11:06,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:11:06,749 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:11:06,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06 WrapperNode [2023-12-21 10:11:06,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:11:06,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:11:06,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:11:06,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:11:06,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,785 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 177 [2023-12-21 10:11:06,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:11:06,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:11:06,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:11:06,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:11:06,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,808 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]. [2023-12-21 10:11:06,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:11:06,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:11:06,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:11:06,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:11:06,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (1/1) ... [2023-12-21 10:11:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:11:06,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:11:06,850 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) [2023-12-21 10:11:06,862 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 [2023-12-21 10:11:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:11:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-21 10:11:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-21 10:11:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-21 10:11:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-21 10:11:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-21 10:11:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-21 10:11:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-21 10:11:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-21 10:11:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-21 10:11:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-21 10:11:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:11:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:11:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-21 10:11:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-21 10:11:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-21 10:11:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-21 10:11:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:11:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-21 10:11:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-21 10:11:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:11:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:11:06,941 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:11:06,943 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:11:07,131 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:11:07,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:11:07,195 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-21 10:11:07,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:11:07 BoogieIcfgContainer [2023-12-21 10:11:07,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:11:07,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:11:07,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:11:07,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:11:07,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:11:06" (1/3) ... [2023-12-21 10:11:07,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224ff929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:11:07, skipping insertion in model container [2023-12-21 10:11:07,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:11:06" (2/3) ... [2023-12-21 10:11:07,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224ff929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:11:07, skipping insertion in model container [2023-12-21 10:11:07,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:11:07" (3/3) ... [2023-12-21 10:11:07,201 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2023-12-21 10:11:07,215 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:11:07,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:11:07,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:11:07,254 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;@4c3a722c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:11:07,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:11:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 56 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-21 10:11:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-21 10:11:07,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:11:07,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:11:07,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:11:07,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:11:07,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2028228835, now seen corresponding path program 1 times [2023-12-21 10:11:07,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:11:07,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355311885] [2023-12-21 10:11:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:11:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:11:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:11:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:11:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:11:07,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355311885] [2023-12-21 10:11:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355311885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:11:07,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:11:07,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 10:11:07,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701814902] [2023-12-21 10:11:07,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:11:07,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:11:07,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:11:07,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:11:07,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:11:07,459 INFO L87 Difference]: Start difference. First operand has 74 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 56 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 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) [2023-12-21 10:11:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:11:07,515 INFO L93 Difference]: Finished difference Result 146 states and 207 transitions. [2023-12-21 10:11:07,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:11:07,517 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 [2023-12-21 10:11:07,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:11:07,522 INFO L225 Difference]: With dead ends: 146 [2023-12-21 10:11:07,523 INFO L226 Difference]: Without dead ends: 69 [2023-12-21 10:11:07,526 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 [2023-12-21 10:11:07,529 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:11:07,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:11:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-21 10:11:07,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-21 10:11:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.4) internal successors, (63), 52 states have internal predecessors, (63), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 10:11:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2023-12-21 10:11:07,559 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 17 [2023-12-21 10:11:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:11:07,559 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2023-12-21 10:11:07,559 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) [2023-12-21 10:11:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-12-21 10:11:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-21 10:11:07,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:11:07,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:11:07,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:11:07,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:11:07,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:11:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1947884159, now seen corresponding path program 1 times [2023-12-21 10:11:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:11:07,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841128546] [2023-12-21 10:11:07,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:11:07,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:11:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:11:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:11:07,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:11:07,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841128546] [2023-12-21 10:11:07,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841128546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:11:07,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:11:07,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:11:07,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179216086] [2023-12-21 10:11:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:11:07,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:11:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:11:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:11:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:11:07,633 INFO L87 Difference]: Start difference. First operand 69 states and 92 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) [2023-12-21 10:11:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:11:07,670 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2023-12-21 10:11:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:11:07,673 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 [2023-12-21 10:11:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:11:07,674 INFO L225 Difference]: With dead ends: 111 [2023-12-21 10:11:07,674 INFO L226 Difference]: Without dead ends: 61 [2023-12-21 10:11:07,675 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 [2023-12-21 10:11:07,676 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:11:07,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 128 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:11:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-21 10:11:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-21 10:11:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 10:11:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2023-12-21 10:11:07,683 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 18 [2023-12-21 10:11:07,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:11:07,683 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2023-12-21 10:11:07,683 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) [2023-12-21 10:11:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-12-21 10:11:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-21 10:11:07,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:11:07,684 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] [2023-12-21 10:11:07,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:11:07,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:11:07,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:11:07,685 INFO L85 PathProgramCache]: Analyzing trace with hash -736276282, now seen corresponding path program 1 times [2023-12-21 10:11:07,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:11:07,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039189474] [2023-12-21 10:11:07,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:11:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:11:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:11:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:11:07,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:11:07,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039189474] [2023-12-21 10:11:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039189474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:11:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:11:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:11:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068704563] [2023-12-21 10:11:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:11:07,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:11:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:11:07,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:11:07,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:11:07,785 INFO L87 Difference]: Start difference. First operand 61 states and 81 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) [2023-12-21 10:11:07,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:11:07,832 INFO L93 Difference]: Finished difference Result 120 states and 161 transitions. [2023-12-21 10:11:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:11:07,833 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 [2023-12-21 10:11:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:11:07,835 INFO L225 Difference]: With dead ends: 120 [2023-12-21 10:11:07,835 INFO L226 Difference]: Without dead ends: 61 [2023-12-21 10:11:07,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:11:07,840 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:11:07,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 69 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:11:07,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-21 10:11:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-21 10:11:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.4) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 10:11:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2023-12-21 10:11:07,852 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2023-12-21 10:11:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:11:07,852 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-12-21 10:11:07,853 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) [2023-12-21 10:11:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-21 10:11:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-21 10:11:07,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:11:07,853 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:11:07,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:11:07,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:11:07,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:11:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 327993623, now seen corresponding path program 1 times [2023-12-21 10:11:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:11:07,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737419963] [2023-12-21 10:11:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:11:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:11:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:11:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:11:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-12-21 10:11:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:11:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:11:08,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:11:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737419963] [2023-12-21 10:11:08,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737419963] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:11:08,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:11:08,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 10:11:08,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377797676] [2023-12-21 10:11:08,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:11:08,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:11:08,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:11:08,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:11:08,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:11:08,024 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-21 10:11:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:11:08,113 INFO L93 Difference]: Finished difference Result 100 states and 132 transitions. [2023-12-21 10:11:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:11:08,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-12-21 10:11:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:11:08,114 INFO L225 Difference]: With dead ends: 100 [2023-12-21 10:11:08,114 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 10:11:08,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:11:08,125 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 42 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:11:08,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 58 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:11:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 10:11:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 10:11:08,127 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) [2023-12-21 10:11:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 10:11:08,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-12-21 10:11:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:11:08,127 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 10:11:08,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-21 10:11:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 10:11:08,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 10:11:08,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 10:11:08,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:11:08,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 10:11:08,240 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2023-12-21 10:11:08,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 171 178) the Hoare annotation is: true [2023-12-21 10:11:08,241 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2023-12-21 10:11:08,242 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2023-12-21 10:11:08,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 534 545) the Hoare annotation is: true [2023-12-21 10:11:08,242 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 534 545) no Hoare annotation was computed. [2023-12-21 10:11:08,242 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 534 545) no Hoare annotation was computed. [2023-12-21 10:11:08,242 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 333 362) no Hoare annotation was computed. [2023-12-21 10:11:08,242 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-12-21 10:11:08,243 INFO L902 garLoopResultBuilder]: At program point L347-1(lines 347 351) the Hoare annotation is: true [2023-12-21 10:11:08,243 INFO L902 garLoopResultBuilder]: At program point L343-2(lines 343 357) the Hoare annotation is: true [2023-12-21 10:11:08,243 INFO L902 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: true [2023-12-21 10:11:08,243 INFO L899 garLoopResultBuilder]: For program point L339-1(line 339) no Hoare annotation was computed. [2023-12-21 10:11:08,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 333 362) the Hoare annotation is: true [2023-12-21 10:11:08,243 INFO L899 garLoopResultBuilder]: For program point L358(lines 333 362) no Hoare annotation was computed. [2023-12-21 10:11:08,243 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2023-12-21 10:11:08,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 554) the Hoare annotation is: true [2023-12-21 10:11:08,244 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 546 554) no Hoare annotation was computed. [2023-12-21 10:11:08,244 INFO L899 garLoopResultBuilder]: For program point L514-2(lines 510 521) no Hoare annotation was computed. [2023-12-21 10:11:08,245 INFO L895 garLoopResultBuilder]: At program point L448(line 448) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,245 INFO L899 garLoopResultBuilder]: For program point L448-1(line 448) no Hoare annotation was computed. [2023-12-21 10:11:08,246 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,246 INFO L895 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,246 INFO L895 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,246 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-12-21 10:11:08,246 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,246 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 121 145) no Hoare annotation was computed. [2023-12-21 10:11:08,246 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-12-21 10:11:08,246 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 464) no Hoare annotation was computed. [2023-12-21 10:11:08,246 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 467) no Hoare annotation was computed. [2023-12-21 10:11:08,247 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 442 470) no Hoare annotation was computed. [2023-12-21 10:11:08,248 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,249 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2023-12-21 10:11:08,249 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-12-21 10:11:08,249 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-12-21 10:11:08,249 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2023-12-21 10:11:08,249 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2023-12-21 10:11:08,250 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-12-21 10:11:08,251 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 327) no Hoare annotation was computed. [2023-12-21 10:11:08,253 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 518) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L895 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point L317(lines 258 321) no Hoare annotation was computed. [2023-12-21 10:11:08,254 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:11:08,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L895 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L895 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:11:08,255 INFO L895 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 522 533) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 522 533) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 522 533) the Hoare annotation is: true [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-12-21 10:11:08,255 INFO L899 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,256 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,256 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,256 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-12-21 10:11:08,256 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2023-12-21 10:11:08,256 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 189) the Hoare annotation is: true [2023-12-21 10:11:08,256 INFO L902 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2023-12-21 10:11:08,257 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2023-12-21 10:11:08,259 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-21 10:11:08,260 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:11:08,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:11:08 BoogieIcfgContainer [2023-12-21 10:11:08,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:11:08,269 INFO L158 Benchmark]: Toolchain (without parser) took 1888.32ms. Allocated memory is still 263.2MB. Free memory was 217.2MB in the beginning and 181.6MB in the end (delta: 35.5MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-21 10:11:08,269 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 208.7MB. Free memory was 158.4MB in the beginning and 158.3MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:11:08,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 263.2MB. Free memory was 217.2MB in the beginning and 197.4MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 10:11:08,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 263.2MB. Free memory was 197.4MB in the beginning and 195.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:11:08,270 INFO L158 Benchmark]: Boogie Preprocessor took 33.01ms. Allocated memory is still 263.2MB. Free memory was 195.3MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:11:08,270 INFO L158 Benchmark]: RCFGBuilder took 376.10ms. Allocated memory is still 263.2MB. Free memory was 192.7MB in the beginning and 171.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-21 10:11:08,270 INFO L158 Benchmark]: TraceAbstraction took 1071.96ms. Allocated memory is still 263.2MB. Free memory was 170.7MB in the beginning and 181.6MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:11:08,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 208.7MB. Free memory was 158.4MB in the beginning and 158.3MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 368.44ms. Allocated memory is still 263.2MB. Free memory was 217.2MB in the beginning and 197.4MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 263.2MB. Free memory was 197.4MB in the beginning and 195.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.01ms. Allocated memory is still 263.2MB. Free memory was 195.3MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 376.10ms. Allocated memory is still 263.2MB. Free memory was 192.7MB in the beginning and 171.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1071.96ms. Allocated memory is still 263.2MB. Free memory was 170.7MB in the beginning and 181.6MB in the end (delta: -11.0MB). There was no memory consumed. 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: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] - GenericResultAtLocation [Line: 322]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [322] - GenericResultAtLocation [Line: 331]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [331] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [432] - GenericResultAtLocation [Line: 471]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [471] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [506] - GenericResultAtLocation [Line: 596]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [596] * 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: 327]: 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, 74 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, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 249 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 139 PreInvPairs, 145 NumberOfFragments, 157 HoareAnnotationTreeSize, 139 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FormulaSimplificationsInter, 95 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 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: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-12-21 10:11:08,292 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...