/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_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:36,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:36,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:57:36,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:36,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:36,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:36,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:36,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:36,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:36,282 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:36,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:36,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:36,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:36,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:36,284 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:36,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:36,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:36,285 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:36,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:36,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:36,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:36,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:36,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:36,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:36,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:36,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:36,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:36,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:36,290 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:36,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:36,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:36,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:36,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:36,493 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:36,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-15 22:57:37,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:37,766 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:37,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2023-12-15 22:57:37,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ac6ca5c8/6503b9ed90ed4f4d8b9565231bf842d2/FLAG3098044d2 [2023-12-15 22:57:37,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ac6ca5c8/6503b9ed90ed4f4d8b9565231bf842d2 [2023-12-15 22:57:37,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:37,794 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:37,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:37,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:37,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:37,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:37" (1/1) ... [2023-12-15 22:57:37,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307553d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:37, skipping insertion in model container [2023-12-15 22:57:37,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:37" (1/1) ... [2023-12-15 22:57:37,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:38,033 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_spec5_product48.cil.c[11292,11305] [2023-12-15 22:57:38,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:38,087 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:38,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-15 22:57:38,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-12-15 22:57:38,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2023-12-15 22:57:38,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] [2023-12-15 22:57:38,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] [2023-12-15 22:57:38,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] [2023-12-15 22:57:38,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] [2023-12-15 22:57:38,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] [2023-12-15 22:57:38,118 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_spec5_product48.cil.c[11292,11305] [2023-12-15 22:57:38,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:38,139 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:38,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38 WrapperNode [2023-12-15 22:57:38,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:38,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:38,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:38,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:38,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,190 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 217 [2023-12-15 22:57:38,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:38,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:38,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:38,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:38,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,200 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,208 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 22:57:38,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:38,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:38,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:38,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:38,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (1/1) ... [2023-12-15 22:57:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:38,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:38,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:57:38,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:57:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:57:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:38,341 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:38,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:38,526 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:38,606 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:38,606 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:38,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:38 BoogieIcfgContainer [2023-12-15 22:57:38,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:38,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:38,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:38,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:38,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:37" (1/3) ... [2023-12-15 22:57:38,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884c7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:38, skipping insertion in model container [2023-12-15 22:57:38,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:38" (2/3) ... [2023-12-15 22:57:38,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884c7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:38, skipping insertion in model container [2023-12-15 22:57:38,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:38" (3/3) ... [2023-12-15 22:57:38,627 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2023-12-15 22:57:38,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:38,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:38,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:38,678 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;@869f55c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:38,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-15 22:57:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:38,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:38,688 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:38,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:38,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:38,691 INFO L85 PathProgramCache]: Analyzing trace with hash -449197899, now seen corresponding path program 1 times [2023-12-15 22:57:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872440339] [2023-12-15 22:57:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:38,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:38,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872440339] [2023-12-15 22:57:38,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872440339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:38,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:38,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:38,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406867877] [2023-12-15 22:57:38,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:38,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:38,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:38,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:38,888 INFO L87 Difference]: Start difference. First operand has 83 states, 56 states have (on average 1.5) internal successors, (84), 65 states have internal predecessors, (84), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:38,955 INFO L93 Difference]: Finished difference Result 164 states and 233 transitions. [2023-12-15 22:57:38,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:38,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-15 22:57:38,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:38,963 INFO L225 Difference]: With dead ends: 164 [2023-12-15 22:57:38,964 INFO L226 Difference]: Without dead ends: 78 [2023-12-15 22:57:38,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:38,973 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:38,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-15 22:57:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-15 22:57:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 61 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-15 22:57:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2023-12-15 22:57:39,011 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 22 [2023-12-15 22:57:39,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,012 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2023-12-15 22:57:39,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2023-12-15 22:57:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:39,015 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,015 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:39,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash -202773606, now seen corresponding path program 1 times [2023-12-15 22:57:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229969104] [2023-12-15 22:57:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:39,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:39,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229969104] [2023-12-15 22:57:39,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229969104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:39,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:39,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:39,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002962030] [2023-12-15 22:57:39,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:39,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:39,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:39,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:39,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:39,140 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:39,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:39,181 INFO L93 Difference]: Finished difference Result 126 states and 168 transitions. [2023-12-15 22:57:39,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:39,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-15 22:57:39,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:39,184 INFO L225 Difference]: With dead ends: 126 [2023-12-15 22:57:39,184 INFO L226 Difference]: Without dead ends: 70 [2023-12-15 22:57:39,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:39,187 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:39,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:39,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-15 22:57:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-15 22:57:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 22:57:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2023-12-15 22:57:39,200 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2023-12-15 22:57:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,200 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2023-12-15 22:57:39,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-12-15 22:57:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:39,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,203 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:39,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1368182408, now seen corresponding path program 1 times [2023-12-15 22:57:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639055259] [2023-12-15 22:57:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:39,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639055259] [2023-12-15 22:57:39,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639055259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:39,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:39,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:39,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170976667] [2023-12-15 22:57:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:39,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:39,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:39,296 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:39,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:39,353 INFO L93 Difference]: Finished difference Result 206 states and 279 transitions. [2023-12-15 22:57:39,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:39,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-15 22:57:39,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:39,354 INFO L225 Difference]: With dead ends: 206 [2023-12-15 22:57:39,354 INFO L226 Difference]: Without dead ends: 138 [2023-12-15 22:57:39,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:39,355 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 85 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:39,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 171 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-15 22:57:39,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2023-12-15 22:57:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 92 states have (on average 1.423913043478261) internal successors, (131), 107 states have internal predecessors, (131), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-15 22:57:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 183 transitions. [2023-12-15 22:57:39,370 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 183 transitions. Word has length 26 [2023-12-15 22:57:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,370 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 183 transitions. [2023-12-15 22:57:39,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-12-15 22:57:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:39,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,372 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:39,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash 36370968, now seen corresponding path program 1 times [2023-12-15 22:57:39,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673719050] [2023-12-15 22:57:39,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:39,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:39,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673719050] [2023-12-15 22:57:39,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673719050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:39,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:39,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:39,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944424631] [2023-12-15 22:57:39,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:39,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:39,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:39,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:39,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:39,445 INFO L87 Difference]: Start difference. First operand 135 states and 183 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:39,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:39,570 INFO L93 Difference]: Finished difference Result 358 states and 489 transitions. [2023-12-15 22:57:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 22:57:39,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-15 22:57:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:39,573 INFO L225 Difference]: With dead ends: 358 [2023-12-15 22:57:39,573 INFO L226 Difference]: Without dead ends: 225 [2023-12-15 22:57:39,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:39,574 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:39,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 345 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-12-15 22:57:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 220. [2023-12-15 22:57:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 170 states have internal predecessors, (207), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-12-15 22:57:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 287 transitions. [2023-12-15 22:57:39,601 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 287 transitions. Word has length 29 [2023-12-15 22:57:39,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,601 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 287 transitions. [2023-12-15 22:57:39,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 287 transitions. [2023-12-15 22:57:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-15 22:57:39,602 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,602 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:39,603 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1201233109, now seen corresponding path program 1 times [2023-12-15 22:57:39,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783348610] [2023-12-15 22:57:39,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 22:57:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:39,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:39,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783348610] [2023-12-15 22:57:39,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783348610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:39,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:39,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:39,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989046279] [2023-12-15 22:57:39,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:39,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:39,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:39,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:39,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:39,659 INFO L87 Difference]: Start difference. First operand 220 states and 287 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-15 22:57:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:39,772 INFO L93 Difference]: Finished difference Result 486 states and 651 transitions. [2023-12-15 22:57:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:39,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-15 22:57:39,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:39,774 INFO L225 Difference]: With dead ends: 486 [2023-12-15 22:57:39,774 INFO L226 Difference]: Without dead ends: 268 [2023-12-15 22:57:39,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:39,775 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 54 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:39,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 214 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-12-15 22:57:39,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 262. [2023-12-15 22:57:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 185 states have (on average 1.335135135135135) internal successors, (247), 202 states have internal predecessors, (247), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2023-12-15 22:57:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 341 transitions. [2023-12-15 22:57:39,791 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 341 transitions. Word has length 44 [2023-12-15 22:57:39,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,791 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 341 transitions. [2023-12-15 22:57:39,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-15 22:57:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 341 transitions. [2023-12-15 22:57:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-15 22:57:39,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,792 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:57:39,792 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,793 INFO L85 PathProgramCache]: Analyzing trace with hash -778531283, now seen corresponding path program 1 times [2023-12-15 22:57:39,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969262842] [2023-12-15 22:57:39,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 22:57:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:39,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:39,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969262842] [2023-12-15 22:57:39,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969262842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:39,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:39,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:39,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735673950] [2023-12-15 22:57:39,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:39,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:39,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:39,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:39,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:39,845 INFO L87 Difference]: Start difference. First operand 262 states and 341 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-15 22:57:39,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:39,953 INFO L93 Difference]: Finished difference Result 538 states and 717 transitions. [2023-12-15 22:57:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:39,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2023-12-15 22:57:39,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:39,954 INFO L225 Difference]: With dead ends: 538 [2023-12-15 22:57:39,954 INFO L226 Difference]: Without dead ends: 278 [2023-12-15 22:57:39,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:39,956 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 59 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:39,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 214 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:39,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-15 22:57:39,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 266. [2023-12-15 22:57:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 189 states have (on average 1.3280423280423281) internal successors, (251), 206 states have internal predecessors, (251), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2023-12-15 22:57:39,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 345 transitions. [2023-12-15 22:57:39,970 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 345 transitions. Word has length 44 [2023-12-15 22:57:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:39,970 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 345 transitions. [2023-12-15 22:57:39,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-15 22:57:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 345 transitions. [2023-12-15 22:57:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-15 22:57:39,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:39,971 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:57:39,971 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:39,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1710997679, now seen corresponding path program 1 times [2023-12-15 22:57:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:39,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146021389] [2023-12-15 22:57:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 22:57:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:40,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:40,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146021389] [2023-12-15 22:57:40,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146021389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:40,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:40,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:40,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309787859] [2023-12-15 22:57:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:40,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:40,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:40,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:40,019 INFO L87 Difference]: Start difference. First operand 266 states and 345 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-15 22:57:40,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:40,228 INFO L93 Difference]: Finished difference Result 863 states and 1195 transitions. [2023-12-15 22:57:40,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 22:57:40,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2023-12-15 22:57:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:40,231 INFO L225 Difference]: With dead ends: 863 [2023-12-15 22:57:40,231 INFO L226 Difference]: Without dead ends: 599 [2023-12-15 22:57:40,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:40,232 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 202 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:40,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 281 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2023-12-15 22:57:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 591. [2023-12-15 22:57:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 418 states have (on average 1.313397129186603) internal successors, (549), 449 states have internal predecessors, (549), 96 states have call successors, (96), 77 states have call predecessors, (96), 76 states have return successors, (146), 90 states have call predecessors, (146), 96 states have call successors, (146) [2023-12-15 22:57:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 791 transitions. [2023-12-15 22:57:40,259 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 791 transitions. Word has length 44 [2023-12-15 22:57:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:40,259 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 791 transitions. [2023-12-15 22:57:40,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-15 22:57:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 791 transitions. [2023-12-15 22:57:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-15 22:57:40,261 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:40,261 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:40,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:57:40,261 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:40,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:40,261 INFO L85 PathProgramCache]: Analyzing trace with hash -733397867, now seen corresponding path program 1 times [2023-12-15 22:57:40,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:40,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028011086] [2023-12-15 22:57:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:40,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-15 22:57:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:40,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:40,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028011086] [2023-12-15 22:57:40,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028011086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:40,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:40,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-15 22:57:40,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623636709] [2023-12-15 22:57:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:40,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 22:57:40,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:40,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 22:57:40,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 22:57:40,360 INFO L87 Difference]: Start difference. First operand 591 states and 791 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:57:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:40,690 INFO L93 Difference]: Finished difference Result 1275 states and 1729 transitions. [2023-12-15 22:57:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 22:57:40,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 48 [2023-12-15 22:57:40,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:40,695 INFO L225 Difference]: With dead ends: 1275 [2023-12-15 22:57:40,695 INFO L226 Difference]: Without dead ends: 686 [2023-12-15 22:57:40,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2023-12-15 22:57:40,715 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 303 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:40,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 248 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:40,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-12-15 22:57:40,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 667. [2023-12-15 22:57:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 472 states have (on average 1.2923728813559323) internal successors, (610), 511 states have internal predecessors, (610), 108 states have call successors, (108), 77 states have call predecessors, (108), 86 states have return successors, (180), 104 states have call predecessors, (180), 108 states have call successors, (180) [2023-12-15 22:57:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 898 transitions. [2023-12-15 22:57:40,745 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 898 transitions. Word has length 48 [2023-12-15 22:57:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:40,745 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 898 transitions. [2023-12-15 22:57:40,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:57:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 898 transitions. [2023-12-15 22:57:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-15 22:57:40,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:40,747 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:40,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:57:40,747 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:40,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:40,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2067267942, now seen corresponding path program 1 times [2023-12-15 22:57:40,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:40,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654515475] [2023-12-15 22:57:40,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:40,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:57:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:57:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-15 22:57:40,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:40,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654515475] [2023-12-15 22:57:40,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654515475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:40,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:40,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:57:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404719700] [2023-12-15 22:57:40,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:40,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:57:40,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:40,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:57:40,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:40,800 INFO L87 Difference]: Start difference. First operand 667 states and 898 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-15 22:57:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:41,033 INFO L93 Difference]: Finished difference Result 1098 states and 1470 transitions. [2023-12-15 22:57:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:57:41,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 73 [2023-12-15 22:57:41,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:41,035 INFO L225 Difference]: With dead ends: 1098 [2023-12-15 22:57:41,035 INFO L226 Difference]: Without dead ends: 433 [2023-12-15 22:57:41,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-15 22:57:41,037 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 216 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:41,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 241 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:41,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-12-15 22:57:41,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 425. [2023-12-15 22:57:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 327 states have internal predecessors, (386), 68 states have call successors, (68), 51 states have call predecessors, (68), 54 states have return successors, (104), 66 states have call predecessors, (104), 68 states have call successors, (104) [2023-12-15 22:57:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 558 transitions. [2023-12-15 22:57:41,058 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 558 transitions. Word has length 73 [2023-12-15 22:57:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:41,058 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 558 transitions. [2023-12-15 22:57:41,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-15 22:57:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 558 transitions. [2023-12-15 22:57:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-15 22:57:41,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:41,059 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:41,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:57:41,060 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:41,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1943847318, now seen corresponding path program 1 times [2023-12-15 22:57:41,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:41,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447498285] [2023-12-15 22:57:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:41,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:57:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:57:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:57:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:57:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-15 22:57:41,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:41,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447498285] [2023-12-15 22:57:41,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447498285] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:41,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128233227] [2023-12-15 22:57:41,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:41,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:41,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:57:41,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:57:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:41,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:57:41,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:57:41,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-15 22:57:41,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128233227] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:41,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:41,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-12-15 22:57:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309981589] [2023-12-15 22:57:41,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:41,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:57:41,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:41,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:57:41,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:57:41,497 INFO L87 Difference]: Start difference. First operand 425 states and 558 transitions. Second operand has 15 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) [2023-12-15 22:57:42,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:42,431 INFO L93 Difference]: Finished difference Result 1006 states and 1349 transitions. [2023-12-15 22:57:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-15 22:57:42,432 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) Word has length 84 [2023-12-15 22:57:42,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:42,432 INFO L225 Difference]: With dead ends: 1006 [2023-12-15 22:57:42,432 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:57:42,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 192 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=451, Invalid=1711, Unknown=0, NotChecked=0, Total=2162 [2023-12-15 22:57:42,435 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 392 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:42,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 750 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 22:57:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:57:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:57:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:57:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:57:42,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-12-15 22:57:42,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:42,437 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:57:42,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 6 states have call successors, (20) [2023-12-15 22:57:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:57:42,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:57:42,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:57:42,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 22:57:42,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 22:57:42,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:57:44,528 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-12-15 22:57:44,528 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2023-12-15 22:57:44,528 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2023-12-15 22:57:44,528 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 769) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point L852(lines 827 856) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-12-15 22:57:44,529 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-12-15 22:57:44,529 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not .cse14)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (and .cse8 .cse14 .cse12 .cse13)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse13)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= 0 ~systemActive~0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5 .cse6) (or .cse7 (and .cse8 .cse9) .cse10 .cse11) (or (and .cse8 .cse2 .cse9) .cse7 .cse1 .cse10) (or .cse0 .cse1 .cse3 .cse5 .cse10 .cse6) (or .cse7 .cse4 .cse11)))) [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2))) [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L738-2(lines 734 745) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (< 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0)))))) [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L941-1(line 941) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 526) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2023-12-15 22:57:44,530 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 513 539) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (< 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0)))))) [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse4 (not (= 0 ~systemActive~0))))) [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2023-12-15 22:57:44,531 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse4 (not (= 0 ~systemActive~0))))) [2023-12-15 22:57:44,532 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse4 (not (= 0 ~systemActive~0))))) [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point L494(lines 431 498) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)))) [2023-12-15 22:57:44,532 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse4 .cse1) (and .cse5 .cse3 .cse4 .cse1) (and .cse5 .cse4 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse4 .cse1))) [2023-12-15 22:57:44,532 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:57:44,532 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L895 garLoopResultBuilder]: At program point L479-2(lines 471 486) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 486) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 920) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L913-2(lines 913 920) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse4 .cse1) (and .cse5 .cse3 .cse4 .cse1) (and .cse5 .cse4 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse4 .cse1))) [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2023-12-15 22:57:44,533 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2023-12-15 22:57:44,534 INFO L899 garLoopResultBuilder]: For program point L750-1(lines 746 757) no Hoare annotation was computed. [2023-12-15 22:57:44,535 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 757) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse2 .cse1 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse3) (or .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-12-15 22:57:44,536 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not .cse3)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 0) .cse3 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0)))) (and (or (< 2 ~waterLevel~0) .cse0 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)) (or .cse1 .cse0 .cse2 (< 1 ~waterLevel~0)) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) .cse2)))) [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 548 572) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)) (or .cse1 .cse2 .cse0 (< 1 ~waterLevel~0)) (or .cse1 .cse2 .cse0 (not (= 2 ~waterLevel~0))))) [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1 (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0))) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 607 623) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 811 824) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2023-12-15 22:57:44,536 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-12-15 22:57:44,537 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2023-12-15 22:57:44,537 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2023-12-15 22:57:44,537 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2023-12-15 22:57:44,537 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2023-12-15 22:57:44,537 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 651) the Hoare annotation is: true [2023-12-15 22:57:44,537 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2023-12-15 22:57:44,537 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 632 642) the Hoare annotation is: true [2023-12-15 22:57:44,539 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:44,544 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:57:44,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:44 BoogieIcfgContainer [2023-12-15 22:57:44,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:57:44,554 INFO L158 Benchmark]: Toolchain (without parser) took 6759.44ms. Allocated memory was 203.4MB in the beginning and 304.1MB in the end (delta: 100.7MB). Free memory was 158.4MB in the beginning and 214.5MB in the end (delta: -56.1MB). Peak memory consumption was 172.0MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.28ms. Allocated memory is still 203.4MB. Free memory was 158.1MB in the beginning and 138.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.25ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 135.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 203.4MB. Free memory was 135.7MB in the beginning and 133.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: RCFGBuilder took 389.35ms. Allocated memory was 203.4MB in the beginning and 244.3MB in the end (delta: 40.9MB). Free memory was 133.3MB in the beginning and 207.8MB in the end (delta: -74.6MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,554 INFO L158 Benchmark]: TraceAbstraction took 5930.28ms. Allocated memory was 244.3MB in the beginning and 304.1MB in the end (delta: 59.8MB). Free memory was 209.9MB in the beginning and 214.5MB in the end (delta: -4.7MB). Peak memory consumption was 181.4MB. Max. memory is 8.0GB. [2023-12-15 22:57:44,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 344.28ms. Allocated memory is still 203.4MB. Free memory was 158.1MB in the beginning and 138.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.25ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 135.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 203.4MB. Free memory was 135.7MB in the beginning and 133.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 389.35ms. Allocated memory was 203.4MB in the beginning and 244.3MB in the end (delta: 40.9MB). Free memory was 133.3MB in the beginning and 207.8MB in the end (delta: -74.6MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. * TraceAbstraction took 5930.28ms. Allocated memory was 244.3MB in the beginning and 304.1MB in the end (delta: 59.8MB). Free memory was 209.9MB in the beginning and 214.5MB in the end (delta: -4.7MB). Peak memory consumption was 181.4MB. 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,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] - GenericResultAtLocation [Line: 975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] * 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: 420]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1422 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1376 mSDsluCounter, 2705 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1834 mSDsCounter, 479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2524 IncrementalHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 479 mSolverCounterUnsat, 871 mSDtfsCounter, 2524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 278 SyntacticMatches, 4 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred in iteration=8, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 61 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 1226 PreInvPairs, 1363 NumberOfFragments, 1252 HoareAnnotationTreeSize, 1226 FormulaSimplifications, 2210 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FormulaSimplificationsInter, 5091 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 593 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107 SizeOfPredicates, 3 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 104/125 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: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 == systemActive)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((1 <= pumpRunning) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2023-12-15 22:57:44,580 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...