/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_spec2_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:55:30,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:55:30,951 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 22:55:30,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:55:30,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:55:30,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:55:30,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:55:30,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:55:30,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:55:30,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:55:30,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:55:30,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:55:30,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:55:30,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:55:30,982 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:55:30,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:55:30,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:55:30,983 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:55:30,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:55:30,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:55:30,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:55:30,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:55:30,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:55:30,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:55:30,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:55:30,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:55:30,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:55:30,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:30,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:55:30,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:55:30,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:55:30,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:55:31,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:55:31,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:55:31,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:55:31,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:55:31,205 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:55:31,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2023-12-15 22:55:32,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:55:32,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:55:32,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2023-12-15 22:55:32,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604c89749/49f71679586649d4bd1e15db3eb0c75f/FLAG84bf6ec91 [2023-12-15 22:55:32,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604c89749/49f71679586649d4bd1e15db3eb0c75f [2023-12-15 22:55:32,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:55:32,502 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:55:32,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:32,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:55:32,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:55:32,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f593508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32, skipping insertion in model container [2023-12-15 22:55:32,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:55:32,762 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2023-12-15 22:55:32,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:32,775 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:55:32,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-12-15 22:55:32,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-12-15 22:55:32,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] [2023-12-15 22:55:32,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] [2023-12-15 22:55:32,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] [2023-12-15 22:55:32,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] [2023-12-15 22:55:32,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] [2023-12-15 22:55:32,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] [2023-12-15 22:55:32,838 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2023-12-15 22:55:32,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:55:32,854 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:55:32,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32 WrapperNode [2023-12-15 22:55:32,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:55:32,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:32,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:55:32,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:55:32,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,892 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 229 [2023-12-15 22:55:32,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:55:32,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:55:32,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:55:32,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:55:32,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,911 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 22:55:32,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:55:32,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:55:32,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:55:32,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:55:32,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (1/1) ... [2023-12-15 22:55:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:55:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:32,963 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 22:55:33,012 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 22:55:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:55:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:55:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:55:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:55:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:55:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-15 22:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:55:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:55:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:55:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:55:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:55:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:55:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:55:33,095 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:55:33,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:55:33,389 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:55:33,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:55:33,439 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:55:33,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:33 BoogieIcfgContainer [2023-12-15 22:55:33,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:55:33,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:55:33,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:55:33,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:55:33,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:55:32" (1/3) ... [2023-12-15 22:55:33,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d05ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:33, skipping insertion in model container [2023-12-15 22:55:33,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:55:32" (2/3) ... [2023-12-15 22:55:33,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d05ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:55:33, skipping insertion in model container [2023-12-15 22:55:33,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:55:33" (3/3) ... [2023-12-15 22:55:33,445 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2023-12-15 22:55:33,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:55:33,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:55:33,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:55:33,519 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;@46cc2e4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:55:33,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:55:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-15 22:55:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:55:33,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:33,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:33,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:33,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:33,542 INFO L85 PathProgramCache]: Analyzing trace with hash 959021943, now seen corresponding path program 1 times [2023-12-15 22:55:33,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:33,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441942193] [2023-12-15 22:55:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:33,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:33,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:33,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441942193] [2023-12-15 22:55:33,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441942193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:33,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:33,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:55:33,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908611701] [2023-12-15 22:55:33,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:33,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:55:33,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:33,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:55:33,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:33,745 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:33,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:33,813 INFO L93 Difference]: Finished difference Result 166 states and 241 transitions. [2023-12-15 22:55:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:55:33,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-15 22:55:33,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:33,822 INFO L225 Difference]: With dead ends: 166 [2023-12-15 22:55:33,823 INFO L226 Difference]: Without dead ends: 79 [2023-12-15 22:55:33,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:55:33,830 INFO L413 NwaCegarLoop]: 99 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, 99 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 22:55:33,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:33,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-15 22:55:33,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-15 22:55:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-15 22:55:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2023-12-15 22:55:33,872 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 17 [2023-12-15 22:55:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:33,872 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2023-12-15 22:55:33,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-12-15 22:55:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-15 22:55:33,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:33,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:33,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:55:33,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:33,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2035070615, now seen corresponding path program 1 times [2023-12-15 22:55:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924963125] [2023-12-15 22:55:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:33,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:55:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:33,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:33,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924963125] [2023-12-15 22:55:33,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924963125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:33,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:33,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:33,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628214992] [2023-12-15 22:55:33,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:33,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:33,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:33,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:33,967 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:34,010 INFO L93 Difference]: Finished difference Result 128 states and 176 transitions. [2023-12-15 22:55:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:34,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-15 22:55:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:34,012 INFO L225 Difference]: With dead ends: 128 [2023-12-15 22:55:34,012 INFO L226 Difference]: Without dead ends: 71 [2023-12-15 22:55:34,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:34,014 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:34,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 153 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-15 22:55:34,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-15 22:55:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 58 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 22:55:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2023-12-15 22:55:34,020 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 18 [2023-12-15 22:55:34,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:34,020 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2023-12-15 22:55:34,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-12-15 22:55:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:55:34,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:34,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:34,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:55:34,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:34,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:34,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1931247264, now seen corresponding path program 1 times [2023-12-15 22:55:34,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:34,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690876076] [2023-12-15 22:55:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:34,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:34,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:34,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690876076] [2023-12-15 22:55:34,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690876076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:34,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:34,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:55:34,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725923301] [2023-12-15 22:55:34,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:34,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:34,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:34,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:34,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:34,092 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:34,132 INFO L93 Difference]: Finished difference Result 209 states and 291 transitions. [2023-12-15 22:55:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:34,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-15 22:55:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:34,133 INFO L225 Difference]: With dead ends: 209 [2023-12-15 22:55:34,134 INFO L226 Difference]: Without dead ends: 140 [2023-12-15 22:55:34,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:55:34,135 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:34,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 181 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:34,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-15 22:55:34,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2023-12-15 22:55:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 111 states have internal predecessors, (135), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-15 22:55:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 191 transitions. [2023-12-15 22:55:34,152 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 191 transitions. Word has length 21 [2023-12-15 22:55:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 191 transitions. [2023-12-15 22:55:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 191 transitions. [2023-12-15 22:55:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-15 22:55:34,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:34,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:34,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:55:34,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:34,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:34,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1581548889, now seen corresponding path program 1 times [2023-12-15 22:55:34,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:34,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736352081] [2023-12-15 22:55:34,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:34,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:55:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:34,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736352081] [2023-12-15 22:55:34,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736352081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:34,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:34,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:55:34,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747462951] [2023-12-15 22:55:34,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:34,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:34,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:34,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:34,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:55:34,222 INFO L87 Difference]: Start difference. First operand 137 states and 191 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:34,326 INFO L93 Difference]: Finished difference Result 358 states and 509 transitions. [2023-12-15 22:55:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:55:34,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-12-15 22:55:34,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:34,333 INFO L225 Difference]: With dead ends: 358 [2023-12-15 22:55:34,334 INFO L226 Difference]: Without dead ends: 223 [2023-12-15 22:55:34,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:55:34,336 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 63 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:34,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 233 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:55:34,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-12-15 22:55:34,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2023-12-15 22:55:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 151 states have (on average 1.3841059602649006) internal successors, (209), 168 states have internal predecessors, (209), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (48), 31 states have call predecessors, (48), 36 states have call successors, (48) [2023-12-15 22:55:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2023-12-15 22:55:34,359 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 293 transitions. Word has length 24 [2023-12-15 22:55:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:34,359 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 293 transitions. [2023-12-15 22:55:34,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:55:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 293 transitions. [2023-12-15 22:55:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-15 22:55:34,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:34,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:34,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:55:34,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:34,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:34,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1314613939, now seen corresponding path program 1 times [2023-12-15 22:55:34,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:34,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695077635] [2023-12-15 22:55:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:34,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-15 22:55:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:34,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:34,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695077635] [2023-12-15 22:55:34,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695077635] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:34,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:34,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:55:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422676408] [2023-12-15 22:55:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:34,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:34,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:55:34,465 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:55:34,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:34,677 INFO L93 Difference]: Finished difference Result 485 states and 659 transitions. [2023-12-15 22:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:55:34,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-12-15 22:55:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:34,683 INFO L225 Difference]: With dead ends: 485 [2023-12-15 22:55:34,683 INFO L226 Difference]: Without dead ends: 483 [2023-12-15 22:55:34,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:55:34,692 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 149 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:34,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 167 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:55:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-12-15 22:55:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 453. [2023-12-15 22:55:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 311 states have (on average 1.360128617363344) internal successors, (423), 342 states have internal predecessors, (423), 71 states have call successors, (71), 53 states have call predecessors, (71), 70 states have return successors, (125), 72 states have call predecessors, (125), 71 states have call successors, (125) [2023-12-15 22:55:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 619 transitions. [2023-12-15 22:55:34,751 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 619 transitions. Word has length 38 [2023-12-15 22:55:34,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:34,751 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 619 transitions. [2023-12-15 22:55:34,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:55:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2023-12-15 22:55:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-15 22:55:34,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:34,754 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:55:34,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:55:34,754 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:34,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1181939622, now seen corresponding path program 1 times [2023-12-15 22:55:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:34,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982978617] [2023-12-15 22:55:34,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-15 22:55:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:55:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:55:34,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:34,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982978617] [2023-12-15 22:55:34,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982978617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:34,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:55:34,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:55:34,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056711723] [2023-12-15 22:55:34,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:34,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:55:34,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:34,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:55:34,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:55:34,839 INFO L87 Difference]: Start difference. First operand 453 states and 619 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:55:35,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:35,090 INFO L93 Difference]: Finished difference Result 541 states and 749 transitions. [2023-12-15 22:55:35,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 22:55:35,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2023-12-15 22:55:35,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:35,092 INFO L225 Difference]: With dead ends: 541 [2023-12-15 22:55:35,092 INFO L226 Difference]: Without dead ends: 270 [2023-12-15 22:55:35,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:55:35,095 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 242 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:35,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 167 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:55:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-12-15 22:55:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 222. [2023-12-15 22:55:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 167 states have internal predecessors, (202), 33 states have call successors, (33), 26 states have call predecessors, (33), 35 states have return successors, (59), 35 states have call predecessors, (59), 33 states have call successors, (59) [2023-12-15 22:55:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2023-12-15 22:55:35,123 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 63 [2023-12-15 22:55:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:35,124 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2023-12-15 22:55:35,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:55:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2023-12-15 22:55:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-15 22:55:35,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:35,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:55:35,128 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:35,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 866479893, now seen corresponding path program 1 times [2023-12-15 22:55:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:35,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455649252] [2023-12-15 22:55:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:55:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:55:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-15 22:55:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455649252] [2023-12-15 22:55:35,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455649252] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862905507] [2023-12-15 22:55:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:35,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:35,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:35,296 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 22:55:35,301 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 22:55:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 22:55:35,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:35,444 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862905507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:35,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-12-15 22:55:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440507425] [2023-12-15 22:55:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:35,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:55:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:35,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:55:35,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:55:35,447 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-15 22:55:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:35,487 INFO L93 Difference]: Finished difference Result 411 states and 548 transitions. [2023-12-15 22:55:35,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:55:35,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 75 [2023-12-15 22:55:35,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:35,489 INFO L225 Difference]: With dead ends: 411 [2023-12-15 22:55:35,489 INFO L226 Difference]: Without dead ends: 191 [2023-12-15 22:55:35,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:55:35,490 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 47 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:35,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 154 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-15 22:55:35,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2023-12-15 22:55:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 131 states have (on average 1.2671755725190839) internal successors, (166), 144 states have internal predecessors, (166), 29 states have call successors, (29), 23 states have call predecessors, (29), 30 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-12-15 22:55:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 234 transitions. [2023-12-15 22:55:35,502 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 234 transitions. Word has length 75 [2023-12-15 22:55:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:35,503 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 234 transitions. [2023-12-15 22:55:35,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-15 22:55:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 234 transitions. [2023-12-15 22:55:35,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 22:55:35,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:35,507 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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] [2023-12-15 22:55:35,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:55:35,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:35,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:35,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash 118085544, now seen corresponding path program 1 times [2023-12-15 22:55:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:35,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185165498] [2023-12-15 22:55:35,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:55:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:55:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:55:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-15 22:55:35,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:35,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185165498] [2023-12-15 22:55:35,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185165498] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:35,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862302484] [2023-12-15 22:55:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:35,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:35,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:35,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:55:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:35,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 22:55:35,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-15 22:55:35,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:35,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862302484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:35,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:35,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2023-12-15 22:55:35,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681387756] [2023-12-15 22:55:35,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:35,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:35,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:35,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:55:35,990 INFO L87 Difference]: Start difference. First operand 191 states and 234 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-15 22:55:36,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:36,020 INFO L93 Difference]: Finished difference Result 382 states and 473 transitions. [2023-12-15 22:55:36,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:55:36,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2023-12-15 22:55:36,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:36,021 INFO L225 Difference]: With dead ends: 382 [2023-12-15 22:55:36,021 INFO L226 Difference]: Without dead ends: 193 [2023-12-15 22:55:36,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:55:36,022 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:36,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 234 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-12-15 22:55:36,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2023-12-15 22:55:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.263157894736842) internal successors, (168), 146 states have internal predecessors, (168), 29 states have call successors, (29), 23 states have call predecessors, (29), 30 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-12-15 22:55:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2023-12-15 22:55:36,033 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 83 [2023-12-15 22:55:36,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:36,033 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2023-12-15 22:55:36,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-15 22:55:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2023-12-15 22:55:36,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 22:55:36,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:36,034 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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] [2023-12-15 22:55:36,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 22:55:36,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 22:55:36,239 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:36,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 797357798, now seen corresponding path program 1 times [2023-12-15 22:55:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808151081] [2023-12-15 22:55:36,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:55:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:55:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:55:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-15 22:55:36,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808151081] [2023-12-15 22:55:36,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808151081] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966044713] [2023-12-15 22:55:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:36,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:36,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:36,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:36,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:55:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 22:55:36,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-15 22:55:36,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:36,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966044713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:36,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:36,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-15 22:55:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329237799] [2023-12-15 22:55:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:36,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:55:36,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:36,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:55:36,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:55:36,470 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-15 22:55:36,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:36,519 INFO L93 Difference]: Finished difference Result 391 states and 486 transitions. [2023-12-15 22:55:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:55:36,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2023-12-15 22:55:36,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:36,521 INFO L225 Difference]: With dead ends: 391 [2023-12-15 22:55:36,521 INFO L226 Difference]: Without dead ends: 200 [2023-12-15 22:55:36,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:55:36,522 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 6 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:36,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 234 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:36,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-12-15 22:55:36,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 195. [2023-12-15 22:55:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 135 states have (on average 1.2592592592592593) internal successors, (170), 148 states have internal predecessors, (170), 29 states have call successors, (29), 23 states have call predecessors, (29), 30 states have return successors, (39), 30 states have call predecessors, (39), 29 states have call successors, (39) [2023-12-15 22:55:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 238 transitions. [2023-12-15 22:55:36,536 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 238 transitions. Word has length 83 [2023-12-15 22:55:36,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:36,536 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 238 transitions. [2023-12-15 22:55:36,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-15 22:55:36,536 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 238 transitions. [2023-12-15 22:55:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 22:55:36,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:36,537 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 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] [2023-12-15 22:55:36,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 22:55:36,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:36,747 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:36,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:36,747 INFO L85 PathProgramCache]: Analyzing trace with hash 742964900, now seen corresponding path program 1 times [2023-12-15 22:55:36,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:36,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012565344] [2023-12-15 22:55:36,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:55:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:55:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:55:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:55:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-15 22:55:36,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012565344] [2023-12-15 22:55:36,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012565344] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89980603] [2023-12-15 22:55:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:36,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:36,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:36,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:36,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:55:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:36,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 22:55:36,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:55:37,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:37,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89980603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:37,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-15 22:55:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64796560] [2023-12-15 22:55:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:37,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:55:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:55:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-15 22:55:37,037 INFO L87 Difference]: Start difference. First operand 195 states and 238 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2023-12-15 22:55:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:37,262 INFO L93 Difference]: Finished difference Result 623 states and 813 transitions. [2023-12-15 22:55:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 22:55:37,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 83 [2023-12-15 22:55:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:37,264 INFO L225 Difference]: With dead ends: 623 [2023-12-15 22:55:37,264 INFO L226 Difference]: Without dead ends: 430 [2023-12-15 22:55:37,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:55:37,265 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 192 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:37,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 176 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:55:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2023-12-15 22:55:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 428. [2023-12-15 22:55:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 298 states have (on average 1.2483221476510067) internal successors, (372), 321 states have internal predecessors, (372), 68 states have call successors, (68), 59 states have call predecessors, (68), 61 states have return successors, (104), 63 states have call predecessors, (104), 68 states have call successors, (104) [2023-12-15 22:55:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 544 transitions. [2023-12-15 22:55:37,291 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 544 transitions. Word has length 83 [2023-12-15 22:55:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:37,292 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 544 transitions. [2023-12-15 22:55:37,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2023-12-15 22:55:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 544 transitions. [2023-12-15 22:55:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-15 22:55:37,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:37,293 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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] [2023-12-15 22:55:37,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 22:55:37,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:37,498 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:37,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash 828586174, now seen corresponding path program 1 times [2023-12-15 22:55:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:37,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760429403] [2023-12-15 22:55:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:55:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:55:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:55:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:55:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-15 22:55:37,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:37,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760429403] [2023-12-15 22:55:37,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760429403] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:37,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138910072] [2023-12-15 22:55:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:37,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:37,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:37,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:37,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:55:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:37,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 22:55:37,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:55:37,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:55:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-15 22:55:37,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138910072] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:55:37,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:55:37,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 6] total 16 [2023-12-15 22:55:37,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803360117] [2023-12-15 22:55:37,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:55:37,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-15 22:55:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:37,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-15 22:55:37,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:55:37,868 INFO L87 Difference]: Start difference. First operand 428 states and 544 transitions. Second operand has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-12-15 22:55:40,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:40,327 INFO L93 Difference]: Finished difference Result 2365 states and 3295 transitions. [2023-12-15 22:55:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-12-15 22:55:40,327 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) Word has length 87 [2023-12-15 22:55:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:40,334 INFO L225 Difference]: With dead ends: 2365 [2023-12-15 22:55:40,334 INFO L226 Difference]: Without dead ends: 1939 [2023-12-15 22:55:40,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6054 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1562, Invalid=14188, Unknown=0, NotChecked=0, Total=15750 [2023-12-15 22:55:40,341 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 1161 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 609 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 3555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:40,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1115 Invalid, 3555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [609 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:55:40,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2023-12-15 22:55:40,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1510. [2023-12-15 22:55:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1044 states have (on average 1.1590038314176245) internal successors, (1210), 1119 states have internal predecessors, (1210), 243 states have call successors, (243), 196 states have call predecessors, (243), 222 states have return successors, (400), 232 states have call predecessors, (400), 243 states have call successors, (400) [2023-12-15 22:55:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1853 transitions. [2023-12-15 22:55:40,419 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1853 transitions. Word has length 87 [2023-12-15 22:55:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:40,419 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 1853 transitions. [2023-12-15 22:55:40,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.4) internal successors, (126), 12 states have internal predecessors, (126), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-12-15 22:55:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1853 transitions. [2023-12-15 22:55:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 22:55:40,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:55:40,420 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1] [2023-12-15 22:55:40,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:55:40,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 22:55:40,626 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:55:40,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:55:40,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1858748036, now seen corresponding path program 1 times [2023-12-15 22:55:40,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:55:40,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306330885] [2023-12-15 22:55:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:40,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:55:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:55:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-12-15 22:55:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-15 22:55:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:55:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:55:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:55:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:55:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:55:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:55:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:55:40,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:55:40,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306330885] [2023-12-15 22:55:40,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306330885] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:55:40,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397886017] [2023-12-15 22:55:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:55:40,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:40,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:55:40,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:55:40,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 22:55:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:55:40,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 22:55:40,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:55:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-15 22:55:40,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:55:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397886017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:55:40,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:55:40,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2023-12-15 22:55:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298064067] [2023-12-15 22:55:40,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:55:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:55:40,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:55:40,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:55:40,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:55:40,846 INFO L87 Difference]: Start difference. First operand 1510 states and 1853 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-15 22:55:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:55:40,994 INFO L93 Difference]: Finished difference Result 2532 states and 3102 transitions. [2023-12-15 22:55:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 22:55:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 91 [2023-12-15 22:55:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:55:40,995 INFO L225 Difference]: With dead ends: 2532 [2023-12-15 22:55:40,995 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:55:41,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-15 22:55:41,000 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 23 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:55:41,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 568 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:55:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:55:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:55:41,001 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 22:55:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:55:41,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2023-12-15 22:55:41,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:55:41,002 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:55:41,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-15 22:55:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:55:41,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:55:41,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:55:41,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-15 22:55:41,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:55:41,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:55:45,640 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 394 401) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 394 401) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 301 307) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 301 307) the Hoare annotation is: true [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 122 133) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse7))) [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 919 948) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L902 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: true [2023-12-15 22:55:45,641 INFO L902 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: true [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-12-15 22:55:45,641 INFO L899 garLoopResultBuilder]: For program point L944(lines 919 948) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 948) the Hoare annotation is: true [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L902 garLoopResultBuilder]: At program point L933-1(lines 933 937) the Hoare annotation is: true [2023-12-15 22:55:45,642 INFO L895 garLoopResultBuilder]: At program point L894(line 894) the Hoare annotation is: (let ((.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse19 (= 1 ~systemActive~0)) (.cse18 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse16 (and .cse14 .cse19 .cse18)) (.cse10 (<= 1 ~waterLevel~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse12 (not (= |old(~waterLevel~0)| 0))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse13 (= ~waterLevel~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse19)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse6 (and .cse17 .cse5 .cse15)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse2 .cse8 .cse9 .cse10 .cse11) (or .cse1 .cse2 .cse12 .cse11 .cse13 .cse7) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse0 (and .cse14 .cse5 .cse15) (not (= 0 ~systemActive~0))) (or .cse1 .cse2 .cse11 .cse16 .cse7) (or .cse2 .cse9 (and .cse17 .cse18) .cse11 .cse16) (or (and .cse14 .cse19 .cse10 .cse18) .cse2 .cse8 .cse11 .cse7) (or .cse2 .cse9 .cse12 .cse11 (and .cse14 .cse19 .cse13) (and .cse15 .cse13)) (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5) .cse6 .cse9)))) [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L894-1(line 894) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L895 garLoopResultBuilder]: At program point L407(line 407) the Hoare annotation is: (let ((.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (<= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or .cse0 .cse5 (and .cse6 .cse7 .cse8) .cse3 .cse9) (or .cse0 .cse5 .cse1 .cse7 .cse3) (or (and .cse6 (= ~methAndRunningLastTime~0 0) .cse8) .cse10 .cse0 .cse3 .cse9) (or .cse10 .cse0 .cse2 .cse3 .cse4 .cse9) (or .cse0 .cse1 (and .cse6 .cse8) .cse3) (or .cse11 .cse10 .cse0 .cse1) (or .cse11 .cse10 .cse0 .cse9) (or .cse11 (not (= 0 ~systemActive~0))))) [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L407-1(line 407) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2023-12-15 22:55:45,642 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 98 109) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 0)) .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))) (or .cse1 .cse5 .cse4 (<= 1 ~waterLevel~0) .cse2) (or .cse1 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse2) (or .cse6 .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse0 .cse1 .cse3) (or .cse6 (not (= 0 ~systemActive~0))))) [2023-12-15 22:55:45,643 INFO L895 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse8) (or .cse0 .cse1 (and .cse9 .cse10) .cse3) (or .cse11 .cse7 .cse0 .cse1) (or .cse7 (= ~methAndRunningLastTime~0 0) .cse0 .cse3 .cse8) (or .cse7 .cse0 (and .cse9 .cse12 .cse10) .cse3 .cse8) (or .cse0 .cse5 .cse3 (and .cse9 .cse12 .cse6 .cse10) .cse8) (or .cse11 .cse7 .cse0 .cse8) (or .cse11 (not (= 0 ~systemActive~0))))) [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L896-1(lines 888 916) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L895 garLoopResultBuilder]: At program point L380(line 380) the Hoare annotation is: (let ((.cse9 (= |old(~methAndRunningLastTime~0)| 0)) (.cse8 (= 1 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (and (= ~pumpRunning~0 0) .cse9 .cse8 .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse0 (not .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not .cse8)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse6 (not .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse6 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse0 .cse1 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2023-12-15 22:55:45,643 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 280 299) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 277 300) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse10 (and .cse0 .cse2 .cse9)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse12 (and .cse8 .cse1 .cse2)) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse7 (and .cse8 .cse2 .cse9) (not (= 0 ~systemActive~0))) (or .cse4 .cse10 .cse11 .cse5) (or .cse4 (< |old(~waterLevel~0)| 2) .cse10 .cse5 .cse6) (or .cse7 .cse3 .cse4 .cse12 .cse6) (or .cse7 .cse3 .cse4 .cse12 .cse11)))) [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 277 300) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 142) the Hoare annotation is: true [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2023-12-15 22:55:45,644 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L263(lines 202 267) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L895 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L895 garLoopResultBuilder]: At program point L248-2(lines 242 255) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse5 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 .cse3))) [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L895 garLoopResultBuilder]: At program point L257(lines 212 259) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-12-15 22:55:45,645 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0)))) [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2023-12-15 22:55:45,645 INFO L899 garLoopResultBuilder]: For program point L1001-2(lines 1001 1008) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 309 333) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,646 INFO L895 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 0) .cse5 .cse6 .cse7 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse2 .cse4 (< ~methaneLevelCritical~0 1))))) [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 175 188) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 309 333) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L895 garLoopResultBuilder]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 309 333) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2023-12-15 22:55:45,646 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse4))) [2023-12-15 22:55:45,646 INFO L895 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,647 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2023-12-15 22:55:45,647 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 359) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2023-12-15 22:55:45,647 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2023-12-15 22:55:45,647 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 335 359) no Hoare annotation was computed. [2023-12-15 22:55:45,649 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:55:45,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:55:45,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:55:45 BoogieIcfgContainer [2023-12-15 22:55:45,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:55:45,659 INFO L158 Benchmark]: Toolchain (without parser) took 13156.43ms. Allocated memory was 268.4MB in the beginning and 388.0MB in the end (delta: 119.5MB). Free memory was 215.7MB in the beginning and 310.5MB in the end (delta: -94.8MB). Peak memory consumption was 211.8MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,659 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 210.8MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 164.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:55:45,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.58ms. Allocated memory is still 268.4MB. Free memory was 215.3MB in the beginning and 195.3MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.07ms. Allocated memory is still 268.4MB. Free memory was 195.3MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,660 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 268.4MB. Free memory was 192.7MB in the beginning and 190.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,660 INFO L158 Benchmark]: RCFGBuilder took 517.58ms. Allocated memory is still 268.4MB. Free memory was 190.5MB in the beginning and 226.6MB in the end (delta: -36.1MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,660 INFO L158 Benchmark]: TraceAbstraction took 12217.55ms. Allocated memory was 268.4MB in the beginning and 388.0MB in the end (delta: 119.5MB). Free memory was 226.1MB in the beginning and 310.5MB in the end (delta: -84.4MB). Peak memory consumption was 220.7MB. Max. memory is 8.0GB. [2023-12-15 22:55:45,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 210.8MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 164.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.58ms. Allocated memory is still 268.4MB. Free memory was 215.3MB in the beginning and 195.3MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.07ms. Allocated memory is still 268.4MB. Free memory was 195.3MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.57ms. Allocated memory is still 268.4MB. Free memory was 192.7MB in the beginning and 190.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 517.58ms. Allocated memory is still 268.4MB. Free memory was 190.5MB in the beginning and 226.6MB in the end (delta: -36.1MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * TraceAbstraction took 12217.55ms. Allocated memory was 268.4MB in the beginning and 388.0MB in the end (delta: 119.5MB). Free memory was 226.1MB in the beginning and 310.5MB in the end (delta: -84.4MB). Peak memory consumption was 220.7MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [198] - GenericResultAtLocation [Line: 268]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [268] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [511] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [877] - GenericResultAtLocation [Line: 917]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [917] - GenericResultAtLocation [Line: 1014]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1014] * 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: 1019]: 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, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2022 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1984 mSDsluCounter, 3481 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2313 mSDsCounter, 834 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3939 IncrementalHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 834 mSolverCounterUnsat, 1168 mSDtfsCounter, 3939 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 928 GetRequests, 746 SyntacticMatches, 3 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6099 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1510occurred in iteration=11, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 522 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 1536 PreInvPairs, 1751 NumberOfFragments, 1945 HoareAnnotationTreeSize, 1536 FormulaSimplifications, 7381 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 28 FormulaSimplificationsInter, 20139 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 2129 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1897 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 406/440 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: 212]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:55:45,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...