/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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:09:53,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:09:53,366 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 10:09:53,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:09:53,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:09:53,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:09:53,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:09:53,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:09:53,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:09:53,394 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:09:53,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:09:53,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:09:53,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:09:53,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:09:53,396 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:09:53,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:09:53,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:09:53,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:09:53,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:09:53,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:09:53,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:09:53,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:09:53,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:09:53,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:09:53,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:09:53,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:09:53,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:09:53,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:09:53,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:09:53,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:09:53,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:09:53,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:09:53,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:09:53,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:09:53,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:09:53,612 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:09:53,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2023-12-21 10:09:54,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:09:54,856 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:09:54,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2023-12-21 10:09:54,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2346af35a/a4db7e976d1a445485f32ffa3d17b730/FLAG804c25973 [2023-12-21 10:09:54,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2346af35a/a4db7e976d1a445485f32ffa3d17b730 [2023-12-21 10:09:54,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:09:54,885 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:09:54,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:09:54,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:09:54,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:09:54,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:09:54" (1/1) ... [2023-12-21 10:09:54,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b05d52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:54, skipping insertion in model container [2023-12-21 10:09:54,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:09:54" (1/1) ... [2023-12-21 10:09:54,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:09:55,107 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] [2023-12-21 10:09:55,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:09:55,120 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:09:55,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-21 10:09:55,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2023-12-21 10:09:55,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2023-12-21 10:09:55,176 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] [2023-12-21 10:09:55,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:09:55,194 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:09:55,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55 WrapperNode [2023-12-21 10:09:55,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:09:55,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:09:55,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:09:55,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:09:55,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,236 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 177 [2023-12-21 10:09:55,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:09:55,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:09:55,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:09:55,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:09:55,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,274 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 10:09:55,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:09:55,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:09:55,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:09:55,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:09:55,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (1/1) ... [2023-12-21 10:09:55,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:09:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:09:55,320 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 10:09:55,323 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 10:09:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:09:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:09:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:09:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-21 10:09:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-21 10:09:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-21 10:09:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-21 10:09:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:09:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-21 10:09:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-21 10:09:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:09:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:09:55,406 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:09:55,407 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:09:55,568 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:09:55,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:09:55,617 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-21 10:09:55,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:09:55 BoogieIcfgContainer [2023-12-21 10:09:55,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:09:55,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:09:55,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:09:55,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:09:55,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:09:54" (1/3) ... [2023-12-21 10:09:55,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab5e343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:09:55, skipping insertion in model container [2023-12-21 10:09:55,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:09:55" (2/3) ... [2023-12-21 10:09:55,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab5e343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:09:55, skipping insertion in model container [2023-12-21 10:09:55,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:09:55" (3/3) ... [2023-12-21 10:09:55,624 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2023-12-21 10:09:55,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:09:55,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:09:55,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:09:55,685 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;@67c00d42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:09:55,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:09:55,688 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) [2023-12-21 10:09:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-21 10:09:55,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:55,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:09:55,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:55,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:55,700 INFO L85 PathProgramCache]: Analyzing trace with hash -982965961, now seen corresponding path program 1 times [2023-12-21 10:09:55,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:55,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837931122] [2023-12-21 10:09:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:55,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-21 10:09:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:55,848 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 10:09:55,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:55,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837931122] [2023-12-21 10:09:55,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837931122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:55,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 10:09:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952247450] [2023-12-21 10:09:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:55,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:09:55,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:09:55,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:09:55,882 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) [2023-12-21 10:09:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:55,945 INFO L93 Difference]: Finished difference Result 150 states and 213 transitions. [2023-12-21 10:09:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:09:55,947 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 [2023-12-21 10:09:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:55,953 INFO L225 Difference]: With dead ends: 150 [2023-12-21 10:09:55,953 INFO L226 Difference]: Without dead ends: 71 [2023-12-21 10:09:55,956 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 10:09:55,962 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 [2023-12-21 10:09:55,962 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] [2023-12-21 10:09:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-21 10:09:55,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-21 10:09:55,992 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) [2023-12-21 10:09:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2023-12-21 10:09:55,999 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 16 [2023-12-21 10:09:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:56,000 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2023-12-21 10:09:56,000 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) [2023-12-21 10:09:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-12-21 10:09:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-21 10:09:56,003 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:56,003 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 10:09:56,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:09:56,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:56,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1462363695, now seen corresponding path program 1 times [2023-12-21 10:09:56,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007381496] [2023-12-21 10:09:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:09:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,113 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 10:09:56,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:56,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007381496] [2023-12-21 10:09:56,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007381496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:56,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:56,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:09:56,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791777978] [2023-12-21 10:09:56,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:56,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:09:56,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:09:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:09:56,115 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) [2023-12-21 10:09:56,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:56,153 INFO L93 Difference]: Finished difference Result 112 states and 148 transitions. [2023-12-21 10:09:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:09:56,155 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 [2023-12-21 10:09:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:56,156 INFO L225 Difference]: With dead ends: 112 [2023-12-21 10:09:56,156 INFO L226 Difference]: Without dead ends: 63 [2023-12-21 10:09:56,157 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 10:09:56,157 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 [2023-12-21 10:09:56,158 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] [2023-12-21 10:09:56,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-21 10:09:56,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-21 10:09:56,162 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) [2023-12-21 10:09:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2023-12-21 10:09:56,163 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 17 [2023-12-21 10:09:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:56,163 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2023-12-21 10:09:56,163 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) [2023-12-21 10:09:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-12-21 10:09:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-21 10:09:56,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:56,164 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] [2023-12-21 10:09:56,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:09:56,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:56,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:56,165 INFO L85 PathProgramCache]: Analyzing trace with hash -965908284, now seen corresponding path program 1 times [2023-12-21 10:09:56,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:56,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391088144] [2023-12-21 10:09:56,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:09:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,220 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 10:09:56,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:56,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391088144] [2023-12-21 10:09:56,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391088144] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:56,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:56,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:09:56,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211874383] [2023-12-21 10:09:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:56,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:09:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:56,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:09:56,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:09:56,227 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) [2023-12-21 10:09:56,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:56,286 INFO L93 Difference]: Finished difference Result 185 states and 249 transitions. [2023-12-21 10:09:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:09:56,286 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 [2023-12-21 10:09:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:56,287 INFO L225 Difference]: With dead ends: 185 [2023-12-21 10:09:56,287 INFO L226 Difference]: Without dead ends: 124 [2023-12-21 10:09:56,288 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 10:09:56,289 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 [2023-12-21 10:09:56,289 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] [2023-12-21 10:09:56,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-21 10:09:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2023-12-21 10:09:56,305 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) [2023-12-21 10:09:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 163 transitions. [2023-12-21 10:09:56,306 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 163 transitions. Word has length 20 [2023-12-21 10:09:56,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:56,306 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 163 transitions. [2023-12-21 10:09:56,306 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) [2023-12-21 10:09:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2023-12-21 10:09:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-21 10:09:56,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:09:56,307 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] [2023-12-21 10:09:56,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:09:56,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:09:56,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:09:56,312 INFO L85 PathProgramCache]: Analyzing trace with hash -383541838, now seen corresponding path program 1 times [2023-12-21 10:09:56,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:09:56,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914915437] [2023-12-21 10:09:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:09:56,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:09:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-21 10:09:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:09:56,397 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 10:09:56,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:09:56,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914915437] [2023-12-21 10:09:56,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914915437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:09:56,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:09:56,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:09:56,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666428610] [2023-12-21 10:09:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:09:56,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:09:56,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:09:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:09:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:09:56,399 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) [2023-12-21 10:09:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:09:56,470 INFO L93 Difference]: Finished difference Result 202 states and 273 transitions. [2023-12-21 10:09:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 10:09:56,471 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 [2023-12-21 10:09:56,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:09:56,473 INFO L225 Difference]: With dead ends: 202 [2023-12-21 10:09:56,473 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 10:09:56,479 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 [2023-12-21 10:09:56,483 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 [2023-12-21 10:09:56,484 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] [2023-12-21 10:09:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 10:09:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 10:09:56,485 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 10:09:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 10:09:56,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-21 10:09:56,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:09:56,485 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 10:09:56,485 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) [2023-12-21 10:09:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 10:09:56,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 10:09:56,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 10:09:56,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:09:56,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 10:09:56,635 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2023-12-21 10:09:56,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 765 772) the Hoare annotation is: true [2023-12-21 10:09:56,635 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 681 687) no Hoare annotation was computed. [2023-12-21 10:09:56,635 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 681 687) the Hoare annotation is: true [2023-12-21 10:09:56,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-12-21 10:09:56,635 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-12-21 10:09:56,635 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-12-21 10:09:56,635 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 882 911) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L902 garLoopResultBuilder]: At program point L896-1(lines 896 900) the Hoare annotation is: true [2023-12-21 10:09:56,636 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 906) the Hoare annotation is: true [2023-12-21 10:09:56,636 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L907(lines 882 911) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 911) the Hoare annotation is: true [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-21 10:09:56,636 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2023-12-21 10:09:56,636 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 573) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 552 576) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L429-2(lines 425 436) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L661-1(lines 660 679) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-12-21 10:09:56,637 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 469) the Hoare annotation is: true [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 636) no Hoare annotation was computed. [2023-12-21 10:09:56,638 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)) [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point L593(lines 592 641) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 637) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:09:56,638 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)) [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 608) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2023-12-21 10:09:56,638 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: false [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L645(lines 582 649) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 618) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 970) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 970) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L895 garLoopResultBuilder]: At program point L604(line 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 858) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L895 garLoopResultBuilder]: At program point L642(lines 591 643) the Hoare annotation is: false [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-12-21 10:09:56,639 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2023-12-21 10:09:56,639 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 689 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-21 10:09:56,639 INFO L895 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-21 10:09:56,640 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 689 713) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2023-12-21 10:09:56,640 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2023-12-21 10:09:56,640 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 783) the Hoare annotation is: true [2023-12-21 10:09:56,640 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-12-21 10:09:56,642 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-21 10:09:56,643 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:09:56,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:09:56 BoogieIcfgContainer [2023-12-21 10:09:56,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:09:56,651 INFO L158 Benchmark]: Toolchain (without parser) took 1766.54ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 134.6MB in the beginning and 179.8MB in the end (delta: -45.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:09:56,651 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 191.9MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:09:56,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.18ms. Allocated memory is still 191.9MB. Free memory was 134.6MB in the beginning and 114.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 10:09:56,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.84ms. Allocated memory is still 191.9MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:09:56,652 INFO L158 Benchmark]: Boogie Preprocessor took 48.61ms. Allocated memory is still 191.9MB. Free memory was 112.6MB in the beginning and 110.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:09:56,652 INFO L158 Benchmark]: RCFGBuilder took 331.96ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 110.2MB in the beginning and 182.0MB in the end (delta: -71.7MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2023-12-21 10:09:56,652 INFO L158 Benchmark]: TraceAbstraction took 1030.75ms. Allocated memory is still 230.7MB. Free memory was 181.4MB in the beginning and 179.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 8.0GB. [2023-12-21 10:09:56,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 191.9MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 309.18ms. Allocated memory is still 191.9MB. Free memory was 134.6MB in the beginning and 114.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.84ms. Allocated memory is still 191.9MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.61ms. Allocated memory is still 191.9MB. Free memory was 112.6MB in the beginning and 110.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 331.96ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 110.2MB in the beginning and 182.0MB in the end (delta: -71.7MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1030.75ms. Allocated memory is still 230.7MB. Free memory was 181.4MB in the beginning and 179.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. 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: 0.0s 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! [2023-12-21 10:09:56,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...