/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:39:40,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:39:40,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:39:40,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:39:40,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:39:40,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:39:40,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:39:40,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:39:40,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:39:40,250 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:39:40,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:39:40,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:39:40,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:39:40,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:39:40,252 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:39:40,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:39:40,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:39:40,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:39:40,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:39:40,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:39:40,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:39:40,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:39:40,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:39:40,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:39:40,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:39:40,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:39:40,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:39:40,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:39:40,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:39:40,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:39:40,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:39:40,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:39:40,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:39:40,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:39:40,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:39:40,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:39:40,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:39:40,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:39:40,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:39:40,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:39:40,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:39:40,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:39:40,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:39:40,261 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:39:40,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:39:40,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:39:40,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:39:40,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:39:40,469 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:39:40,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2023-12-19 23:39:41,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:39:41,767 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:39:41,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2023-12-19 23:39:41,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d2c861ea/7bf25c6391ed49d58f5fcdcc02e52ccf/FLAGf549f72e3 [2023-12-19 23:39:41,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d2c861ea/7bf25c6391ed49d58f5fcdcc02e52ccf [2023-12-19 23:39:41,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:39:41,799 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:39:41,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:39:41,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:39:41,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:39:41,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:41" (1/1) ... [2023-12-19 23:39:41,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:41, skipping insertion in model container [2023-12-19 23:39:41,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:41" (1/1) ... [2023-12-19 23:39:41,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:39:42,042 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_spec4_product31.cil.c[18328,18341] [2023-12-19 23:39:42,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:39:42,056 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:39:42,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-12-19 23:39:42,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2023-12-19 23:39:42,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2023-12-19 23:39:42,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] [2023-12-19 23:39:42,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [648] [2023-12-19 23:39:42,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [716] [2023-12-19 23:39:42,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [930] [2023-12-19 23:39:42,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [957] [2023-12-19 23:39:42,104 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_spec4_product31.cil.c[18328,18341] [2023-12-19 23:39:42,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:39:42,121 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:39:42,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42 WrapperNode [2023-12-19 23:39:42,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:39:42,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:39:42,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:39:42,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:39:42,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,157 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 195 [2023-12-19 23:39:42,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:39:42,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:39:42,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:39:42,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:39:42,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,178 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]. [2023-12-19 23:39:42,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:39:42,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:39:42,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:39:42,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:39:42,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (1/1) ... [2023-12-19 23:39:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:39:42,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:39:42,223 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) [2023-12-19 23:39:42,233 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 [2023-12-19 23:39:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:39:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-19 23:39:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-19 23:39:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:39:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:39:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:39:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:39:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-19 23:39:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-19 23:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-19 23:39:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-19 23:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-19 23:39:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-19 23:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:39:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:39:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:39:42,302 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:39:42,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:39:42,500 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:39:42,549 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:39:42,549 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:39:42,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:42 BoogieIcfgContainer [2023-12-19 23:39:42,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:39:42,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:39:42,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:39:42,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:39:42,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:39:41" (1/3) ... [2023-12-19 23:39:42,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa3a690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:42, skipping insertion in model container [2023-12-19 23:39:42,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:42" (2/3) ... [2023-12-19 23:39:42,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa3a690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:42, skipping insertion in model container [2023-12-19 23:39:42,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:42" (3/3) ... [2023-12-19 23:39:42,555 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2023-12-19 23:39:42,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:39:42,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:39:42,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:39:42,606 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;@2de5aff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:39:42,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:39:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 55 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-19 23:39:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-19 23:39:42,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:42,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:42,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:42,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:42,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2046318130, now seen corresponding path program 1 times [2023-12-19 23:39:42,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:42,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168301433] [2023-12-19 23:39:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:42,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:42,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:42,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168301433] [2023-12-19 23:39:42,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168301433] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:42,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:42,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:39:42,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288247556] [2023-12-19 23:39:42,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:42,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:39:42,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:42,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:39:42,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:39:42,789 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 55 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:42,828 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions. [2023-12-19 23:39:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:39:42,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-19 23:39:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:42,836 INFO L225 Difference]: With dead ends: 138 [2023-12-19 23:39:42,836 INFO L226 Difference]: Without dead ends: 65 [2023-12-19 23:39:42,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:39:42,841 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:42,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-19 23:39:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-19 23:39:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-19 23:39:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 88 transitions. [2023-12-19 23:39:42,869 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 88 transitions. Word has length 12 [2023-12-19 23:39:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:42,869 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 88 transitions. [2023-12-19 23:39:42,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-12-19 23:39:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-19 23:39:42,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:42,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:42,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:39:42,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:42,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1475022154, now seen corresponding path program 1 times [2023-12-19 23:39:42,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:42,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454219639] [2023-12-19 23:39:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:42,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:42,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454219639] [2023-12-19 23:39:42,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454219639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:42,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:42,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:39:42,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534925144] [2023-12-19 23:39:42,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:42,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:39:42,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:42,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:39:42,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:42,929 INFO L87 Difference]: Start difference. First operand 65 states and 88 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:42,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:42,968 INFO L93 Difference]: Finished difference Result 100 states and 134 transitions. [2023-12-19 23:39:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:39:42,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-19 23:39:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:42,970 INFO L225 Difference]: With dead ends: 100 [2023-12-19 23:39:42,970 INFO L226 Difference]: Without dead ends: 57 [2023-12-19 23:39:42,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:39:42,971 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:42,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 115 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:42,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-19 23:39:42,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-19 23:39:42,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 46 states have internal predecessors, (55), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 23:39:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2023-12-19 23:39:42,979 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 13 [2023-12-19 23:39:42,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:42,980 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2023-12-19 23:39:42,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-12-19 23:39:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-19 23:39:42,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:42,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:42,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:39:42,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:42,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash 16626280, now seen corresponding path program 1 times [2023-12-19 23:39:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:42,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039124492] [2023-12-19 23:39:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:43,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:43,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039124492] [2023-12-19 23:39:43,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039124492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:43,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:43,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:39:43,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614331265] [2023-12-19 23:39:43,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:43,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 23:39:43,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 23:39:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 23:39:43,057 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:43,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:43,195 INFO L93 Difference]: Finished difference Result 159 states and 222 transitions. [2023-12-19 23:39:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 23:39:43,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-19 23:39:43,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:43,203 INFO L225 Difference]: With dead ends: 159 [2023-12-19 23:39:43,203 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 23:39:43,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:39:43,205 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 90 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:43,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 165 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:39:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 23:39:43,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 87. [2023-12-19 23:39:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 71 states have internal predecessors, (88), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 10 states have call predecessors, (16), 15 states have call successors, (16) [2023-12-19 23:39:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2023-12-19 23:39:43,228 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 16 [2023-12-19 23:39:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:43,228 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2023-12-19 23:39:43,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2023-12-19 23:39:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-19 23:39:43,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:39:43,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:39:43,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:39:43,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:39:43,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:39:43,230 INFO L85 PathProgramCache]: Analyzing trace with hash -775792877, now seen corresponding path program 1 times [2023-12-19 23:39:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:39:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524688920] [2023-12-19 23:39:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:39:43,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:39:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:39:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:39:43,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:39:43,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524688920] [2023-12-19 23:39:43,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524688920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:39:43,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:39:43,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:39:43,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915176048] [2023-12-19 23:39:43,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:39:43,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 23:39:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:39:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 23:39:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 23:39:43,316 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:43,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:39:43,343 INFO L93 Difference]: Finished difference Result 150 states and 210 transitions. [2023-12-19 23:39:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 23:39:43,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-19 23:39:43,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:39:43,343 INFO L225 Difference]: With dead ends: 150 [2023-12-19 23:39:43,343 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:39:43,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:39:43,345 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:39:43,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 68 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:39:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:39:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:39:43,346 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) [2023-12-19 23:39:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:39:43,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-12-19 23:39:43,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:39:43,346 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:39:43,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:39:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:39:43,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:39:43,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:39:43,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:39:43,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:39:43,477 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2023-12-19 23:39:43,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 832 839) the Hoare annotation is: true [2023-12-19 23:39:43,477 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-12-19 23:39:43,478 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-12-19 23:39:43,478 INFO L899 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2023-12-19 23:39:43,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 597) the Hoare annotation is: true [2023-12-19 23:39:43,478 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2023-12-19 23:39:43,478 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-12-19 23:39:43,479 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2023-12-19 23:39:43,479 INFO L899 garLoopResultBuilder]: For program point L940-1(lines 932 956) no Hoare annotation was computed. [2023-12-19 23:39:43,480 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:39:43,480 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:39:43,480 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-12-19 23:39:43,481 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-12-19 23:39:43,481 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2023-12-19 23:39:43,481 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-12-19 23:39:43,482 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-12-19 23:39:43,482 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2023-12-19 23:39:43,482 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2023-12-19 23:39:43,482 INFO L899 garLoopResultBuilder]: For program point L566-2(lines 562 573) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 747) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point L728-1(lines 727 746) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 724 747) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-12-19 23:39:43,483 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-12-19 23:39:43,483 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-12-19 23:39:43,484 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-19 23:39:43,484 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-12-19 23:39:43,484 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-12-19 23:39:43,484 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-12-19 23:39:43,486 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-19 23:39:43,486 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-12-19 23:39:43,486 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2023-12-19 23:39:43,486 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2023-12-19 23:39:43,486 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2023-12-19 23:39:43,486 INFO L895 garLoopResultBuilder]: At program point L696-2(lines 690 703) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:39:43,487 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2023-12-19 23:39:43,487 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2023-12-19 23:39:43,487 INFO L895 garLoopResultBuilder]: At program point L705(lines 660 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:39:43,488 INFO L895 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:39:43,488 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-12-19 23:39:43,488 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-12-19 23:39:43,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:39:43,488 INFO L895 garLoopResultBuilder]: At program point L921(line 921) the Hoare annotation is: false [2023-12-19 23:39:43,489 INFO L899 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2023-12-19 23:39:43,489 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2023-12-19 23:39:43,489 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-19 23:39:43,489 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:39:43,489 INFO L899 garLoopResultBuilder]: For program point L711(lines 650 715) no Hoare annotation was computed. [2023-12-19 23:39:43,491 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2023-12-19 23:39:43,492 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2023-12-19 23:39:43,492 INFO L895 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: false [2023-12-19 23:39:43,495 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2023-12-19 23:39:43,495 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2023-12-19 23:39:43,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 574 585) the Hoare annotation is: true [2023-12-19 23:39:43,496 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 780) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-12-19 23:39:43,496 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-12-19 23:39:43,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-12-19 23:39:43,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-19 23:39:43,500 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:39:43,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:39:43 BoogieIcfgContainer [2023-12-19 23:39:43,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:39:43,509 INFO L158 Benchmark]: Toolchain (without parser) took 1709.46ms. Allocated memory was 177.2MB in the beginning and 249.6MB in the end (delta: 72.4MB). Free memory was 114.5MB in the beginning and 124.0MB in the end (delta: -9.5MB). Peak memory consumption was 63.7MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,509 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:39:43,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.03ms. Allocated memory is still 177.2MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.55ms. Allocated memory is still 177.2MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,509 INFO L158 Benchmark]: Boogie Preprocessor took 31.25ms. Allocated memory is still 177.2MB. Free memory was 92.5MB in the beginning and 90.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,510 INFO L158 Benchmark]: RCFGBuilder took 355.11ms. Allocated memory was 177.2MB in the beginning and 249.6MB in the end (delta: 72.4MB). Free memory was 90.0MB in the beginning and 206.4MB in the end (delta: -116.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,510 INFO L158 Benchmark]: TraceAbstraction took 956.97ms. Allocated memory is still 249.6MB. Free memory was 205.3MB in the beginning and 124.0MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-12-19 23:39:43,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 320.03ms. Allocated memory is still 177.2MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.55ms. Allocated memory is still 177.2MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.25ms. Allocated memory is still 177.2MB. Free memory was 92.5MB in the beginning and 90.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 355.11ms. Allocated memory was 177.2MB in the beginning and 249.6MB in the end (delta: 72.4MB). Free memory was 90.0MB in the beginning and 206.4MB in the end (delta: -116.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * TraceAbstraction took 956.97ms. Allocated memory is still 249.6MB. Free memory was 205.3MB in the beginning and 124.0MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [648] - GenericResultAtLocation [Line: 716]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [716] - GenericResultAtLocation [Line: 930]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [930] - GenericResultAtLocation [Line: 957]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [957] * 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: 962]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 246 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 137 PreInvPairs, 147 NumberOfFragments, 110 HoareAnnotationTreeSize, 137 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FormulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-19 23:39:43,533 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...