/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:40:50,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:40:51,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:40:51,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:40:51,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:40:51,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:40:51,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:40:51,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:40:51,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:40:51,156 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:40:51,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:40:51,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:40:51,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:40:51,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:40:51,159 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:40:51,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:40:51,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:40:51,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:40:51,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:40:51,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:40:51,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:40:51,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:40:51,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:40:51,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:40:51,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:40:51,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:40:51,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:40:51,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:40:51,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:40:51,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:40:51,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:40:51,164 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:40:51,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:40:51,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:40:51,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:40:51,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:40:51,358 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:40:51,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2023-12-19 23:40:52,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:40:52,582 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:40:52,582 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2023-12-19 23:40:52,609 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdbbebd8/ff2cf3be52614094b68015e39238f218/FLAG87244a3d8 [2023-12-19 23:40:52,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdbbebd8/ff2cf3be52614094b68015e39238f218 [2023-12-19 23:40:52,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:40:52,624 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:40:52,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:40:52,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:40:52,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:40:52,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:52,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c21469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52, skipping insertion in model container [2023-12-19 23:40:52,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:52,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:40:52,857 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c[9626,9639] [2023-12-19 23:40:52,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:40:52,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:40:52,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662] [2023-12-19 23:40:52,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697] [2023-12-19 23:40:52,947 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c[9626,9639] [2023-12-19 23:40:52,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:40:52,987 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:40:52,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52 WrapperNode [2023-12-19 23:40:52,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:40:52,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:40:52,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:40:52,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:40:52,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,024 INFO L138 Inliner]: procedures = 61, calls = 110, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 249 [2023-12-19 23:40:53,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:40:53,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:40:53,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:40:53,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:40:53,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,049 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 23:40:53,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:40:53,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:40:53,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:40:53,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:40:53,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (1/1) ... [2023-12-19 23:40:53,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:40:53,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:40:53,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 23:40:53,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 23:40:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:40:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-19 23:40:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-19 23:40:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-19 23:40:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-19 23:40:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-19 23:40:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-19 23:40:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-19 23:40:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-19 23:40:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-19 23:40:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-19 23:40:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-19 23:40:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-19 23:40:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-19 23:40:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-19 23:40:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-19 23:40:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-19 23:40:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-19 23:40:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-19 23:40:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:40:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-19 23:40:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-19 23:40:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:40:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:40:53,251 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:40:53,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:40:53,456 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:40:53,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:40:53,510 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-19 23:40:53,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:40:53 BoogieIcfgContainer [2023-12-19 23:40:53,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:40:53,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:40:53,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:40:53,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:40:53,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:40:52" (1/3) ... [2023-12-19 23:40:53,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:40:53, skipping insertion in model container [2023-12-19 23:40:53,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:40:52" (2/3) ... [2023-12-19 23:40:53,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:40:53, skipping insertion in model container [2023-12-19 23:40:53,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:40:53" (3/3) ... [2023-12-19 23:40:53,516 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2023-12-19 23:40:53,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:40:53,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:40:53,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:40:53,570 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;@332f938b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:40:53,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:40:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 23:40:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-19 23:40:53,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:53,579 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:53,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:53,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1707050728, now seen corresponding path program 1 times [2023-12-19 23:40:53,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:53,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539437566] [2023-12-19 23:40:53,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:40:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:53,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:53,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539437566] [2023-12-19 23:40:53,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539437566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:53,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:53,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 23:40:53,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855366500] [2023-12-19 23:40:53,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:53,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:40:53,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:40:53,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:40:53,813 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:53,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:53,897 INFO L93 Difference]: Finished difference Result 184 states and 263 transitions. [2023-12-19 23:40:53,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:40:53,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-19 23:40:53,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:53,907 INFO L225 Difference]: With dead ends: 184 [2023-12-19 23:40:53,908 INFO L226 Difference]: Without dead ends: 88 [2023-12-19 23:40:53,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 23:40:53,913 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:53,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:53,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-19 23:40:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-19 23:40:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 69 states have internal predecessors, (83), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 23:40:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-12-19 23:40:53,968 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 22 [2023-12-19 23:40:53,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:53,968 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-12-19 23:40:53,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-12-19 23:40:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-19 23:40:53,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:53,973 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:53,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 23:40:53,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:53,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:53,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1331224265, now seen corresponding path program 1 times [2023-12-19 23:40:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:53,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884951592] [2023-12-19 23:40:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:53,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:40:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-19 23:40:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:54,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:54,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884951592] [2023-12-19 23:40:54,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884951592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:54,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:54,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 23:40:54,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638988235] [2023-12-19 23:40:54,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:54,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:40:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:54,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:40:54,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:40:54,076 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:54,124 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-19 23:40:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:40:54,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-19 23:40:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:54,128 INFO L225 Difference]: With dead ends: 146 [2023-12-19 23:40:54,129 INFO L226 Difference]: Without dead ends: 80 [2023-12-19 23:40:54,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 23:40:54,130 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:54,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 172 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:40:54,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-19 23:40:54,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-19 23:40:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 64 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-19 23:40:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-12-19 23:40:54,137 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 23 [2023-12-19 23:40:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:54,137 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-12-19 23:40:54,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-12-19 23:40:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-19 23:40:54,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:54,138 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:54,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 23:40:54,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:54,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:54,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2038534613, now seen corresponding path program 1 times [2023-12-19 23:40:54,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:54,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483442504] [2023-12-19 23:40:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-19 23:40:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 23:40:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:54,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:54,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483442504] [2023-12-19 23:40:54,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483442504] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:54,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:54,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 23:40:54,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877069937] [2023-12-19 23:40:54,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:54,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 23:40:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:54,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 23:40:54,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 23:40:54,258 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 23:40:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:54,343 INFO L93 Difference]: Finished difference Result 199 states and 272 transitions. [2023-12-19 23:40:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:40:54,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-19 23:40:54,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:54,346 INFO L225 Difference]: With dead ends: 199 [2023-12-19 23:40:54,346 INFO L226 Difference]: Without dead ends: 121 [2023-12-19 23:40:54,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:40:54,348 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 129 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:54,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 231 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:54,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-19 23:40:54,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2023-12-19 23:40:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 94 states have internal predecessors, (116), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 16 states have call predecessors, (23), 22 states have call successors, (23) [2023-12-19 23:40:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 161 transitions. [2023-12-19 23:40:54,361 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 161 transitions. Word has length 26 [2023-12-19 23:40:54,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:54,361 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 161 transitions. [2023-12-19 23:40:54,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 23:40:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2023-12-19 23:40:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-19 23:40:54,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:54,363 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:54,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 23:40:54,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:54,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:54,363 INFO L85 PathProgramCache]: Analyzing trace with hash 17155639, now seen corresponding path program 1 times [2023-12-19 23:40:54,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:54,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289426326] [2023-12-19 23:40:54,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:54,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:40:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-19 23:40:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-19 23:40:54,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:54,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289426326] [2023-12-19 23:40:54,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289426326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:54,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 23:40:54,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367329178] [2023-12-19 23:40:54,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:54,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 23:40:54,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:54,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 23:40:54,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 23:40:54,500 INFO L87 Difference]: Start difference. First operand 118 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:54,638 INFO L93 Difference]: Finished difference Result 278 states and 386 transitions. [2023-12-19 23:40:54,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 23:40:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-19 23:40:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:54,643 INFO L225 Difference]: With dead ends: 278 [2023-12-19 23:40:54,643 INFO L226 Difference]: Without dead ends: 162 [2023-12-19 23:40:54,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:40:54,654 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 58 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:54,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 398 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-19 23:40:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 158. [2023-12-19 23:40:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 122 states have internal predecessors, (147), 26 states have call successors, (26), 21 states have call predecessors, (26), 21 states have return successors, (34), 24 states have call predecessors, (34), 26 states have call successors, (34) [2023-12-19 23:40:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2023-12-19 23:40:54,679 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 29 [2023-12-19 23:40:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:54,679 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2023-12-19 23:40:54,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-19 23:40:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2023-12-19 23:40:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-19 23:40:54,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:54,680 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:54,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 23:40:54,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:54,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:54,681 INFO L85 PathProgramCache]: Analyzing trace with hash 488870070, now seen corresponding path program 1 times [2023-12-19 23:40:54,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:54,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593043266] [2023-12-19 23:40:54,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-19 23:40:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 23:40:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:40:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:54,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:54,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593043266] [2023-12-19 23:40:54,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593043266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:54,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:54,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 23:40:54,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284720968] [2023-12-19 23:40:54,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:54,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:40:54,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:54,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:40:54,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:40:54,785 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-19 23:40:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:54,916 INFO L93 Difference]: Finished difference Result 343 states and 462 transitions. [2023-12-19 23:40:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:40:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-19 23:40:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:54,934 INFO L225 Difference]: With dead ends: 343 [2023-12-19 23:40:54,934 INFO L226 Difference]: Without dead ends: 187 [2023-12-19 23:40:54,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:40:54,935 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 63 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:54,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 241 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-19 23:40:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2023-12-19 23:40:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 128 states have (on average 1.3203125) internal successors, (169), 140 states have internal predecessors, (169), 28 states have call successors, (28), 21 states have call predecessors, (28), 26 states have return successors, (41), 30 states have call predecessors, (41), 28 states have call successors, (41) [2023-12-19 23:40:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 238 transitions. [2023-12-19 23:40:54,955 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 238 transitions. Word has length 49 [2023-12-19 23:40:54,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:54,955 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 238 transitions. [2023-12-19 23:40:54,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-19 23:40:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 238 transitions. [2023-12-19 23:40:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-19 23:40:54,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:54,957 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:54,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 23:40:54,957 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:54,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1316568264, now seen corresponding path program 1 times [2023-12-19 23:40:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:54,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289760923] [2023-12-19 23:40:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-19 23:40:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 23:40:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:40:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:55,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:55,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289760923] [2023-12-19 23:40:55,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289760923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:55,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:55,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 23:40:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728573112] [2023-12-19 23:40:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:55,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:40:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:55,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:40:55,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:40:55,065 INFO L87 Difference]: Start difference. First operand 183 states and 238 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-19 23:40:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:55,193 INFO L93 Difference]: Finished difference Result 373 states and 499 transitions. [2023-12-19 23:40:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:40:55,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-19 23:40:55,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:55,195 INFO L225 Difference]: With dead ends: 373 [2023-12-19 23:40:55,195 INFO L226 Difference]: Without dead ends: 192 [2023-12-19 23:40:55,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:40:55,196 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:55,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 240 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-19 23:40:55,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2023-12-19 23:40:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.3153846153846154) internal successors, (171), 142 states have internal predecessors, (171), 28 states have call successors, (28), 21 states have call predecessors, (28), 26 states have return successors, (41), 30 states have call predecessors, (41), 28 states have call successors, (41) [2023-12-19 23:40:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2023-12-19 23:40:55,208 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 49 [2023-12-19 23:40:55,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:55,208 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2023-12-19 23:40:55,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-19 23:40:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2023-12-19 23:40:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-19 23:40:55,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:55,209 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:55,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 23:40:55,210 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:55,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:55,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1176019654, now seen corresponding path program 1 times [2023-12-19 23:40:55,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:55,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701738368] [2023-12-19 23:40:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:55,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-19 23:40:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 23:40:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:40:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:55,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701738368] [2023-12-19 23:40:55,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701738368] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:55,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:55,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 23:40:55,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659959079] [2023-12-19 23:40:55,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:55,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:40:55,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:55,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:40:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 23:40:55,292 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-19 23:40:55,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:55,484 INFO L93 Difference]: Finished difference Result 560 states and 758 transitions. [2023-12-19 23:40:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 23:40:55,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 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 49 [2023-12-19 23:40:55,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:55,487 INFO L225 Difference]: With dead ends: 560 [2023-12-19 23:40:55,487 INFO L226 Difference]: Without dead ends: 377 [2023-12-19 23:40:55,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:40:55,488 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 221 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:55,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 253 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:40:55,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-12-19 23:40:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 375. [2023-12-19 23:40:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 265 states have (on average 1.2792452830188679) internal successors, (339), 285 states have internal predecessors, (339), 59 states have call successors, (59), 48 states have call predecessors, (59), 50 states have return successors, (92), 59 states have call predecessors, (92), 59 states have call successors, (92) [2023-12-19 23:40:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 490 transitions. [2023-12-19 23:40:55,520 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 490 transitions. Word has length 49 [2023-12-19 23:40:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:55,520 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 490 transitions. [2023-12-19 23:40:55,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-19 23:40:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 490 transitions. [2023-12-19 23:40:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-19 23:40:55,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:55,527 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:55,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 23:40:55,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:55,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash -986343276, now seen corresponding path program 1 times [2023-12-19 23:40:55,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:55,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137163750] [2023-12-19 23:40:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:55,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:40:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:40:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-19 23:40:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 23:40:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-19 23:40:55,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:55,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137163750] [2023-12-19 23:40:55,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137163750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:40:55,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:40:55,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 23:40:55,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607466758] [2023-12-19 23:40:55,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:40:55,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 23:40:55,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:55,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 23:40:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-19 23:40:55,745 INFO L87 Difference]: Start difference. First operand 375 states and 490 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-19 23:40:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:56,284 INFO L93 Difference]: Finished difference Result 1114 states and 1507 transitions. [2023-12-19 23:40:56,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-19 23:40:56,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 53 [2023-12-19 23:40:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:56,289 INFO L225 Difference]: With dead ends: 1114 [2023-12-19 23:40:56,289 INFO L226 Difference]: Without dead ends: 821 [2023-12-19 23:40:56,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:40:56,292 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 483 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:56,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 342 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 23:40:56,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2023-12-19 23:40:56,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 695. [2023-12-19 23:40:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 490 states have (on average 1.2755102040816326) internal successors, (625), 531 states have internal predecessors, (625), 109 states have call successors, (109), 83 states have call predecessors, (109), 95 states have return successors, (169), 110 states have call predecessors, (169), 109 states have call successors, (169) [2023-12-19 23:40:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 903 transitions. [2023-12-19 23:40:56,351 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 903 transitions. Word has length 53 [2023-12-19 23:40:56,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:56,352 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 903 transitions. [2023-12-19 23:40:56,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-19 23:40:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 903 transitions. [2023-12-19 23:40:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-19 23:40:56,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:56,354 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:56,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 23:40:56,354 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:56,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash 205241619, now seen corresponding path program 1 times [2023-12-19 23:40:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:56,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101373399] [2023-12-19 23:40:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:56,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:40:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:40:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:40:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:40:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:40:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:40:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:40:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:40:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:40:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-19 23:40:56,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101373399] [2023-12-19 23:40:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101373399] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:40:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791524673] [2023-12-19 23:40:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:40:56,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:40:56,550 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) [2023-12-19 23:40:56,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:40:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:56,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 23:40:56,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:40:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 23:40:56,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:40:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-19 23:40:57,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791524673] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:40:57,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:40:57,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-12-19 23:40:57,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822375609] [2023-12-19 23:40:57,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:40:57,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-19 23:40:57,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:57,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-19 23:40:57,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:40:57,007 INFO L87 Difference]: Start difference. First operand 695 states and 903 transitions. Second operand has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-12-19 23:40:57,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:40:57,904 INFO L93 Difference]: Finished difference Result 1578 states and 2146 transitions. [2023-12-19 23:40:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-19 23:40:57,905 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) Word has length 97 [2023-12-19 23:40:57,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:40:57,909 INFO L225 Difference]: With dead ends: 1578 [2023-12-19 23:40:57,909 INFO L226 Difference]: Without dead ends: 961 [2023-12-19 23:40:57,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=403, Invalid=1853, Unknown=0, NotChecked=0, Total=2256 [2023-12-19 23:40:57,912 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 375 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 23:40:57,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 866 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 23:40:57,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2023-12-19 23:40:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 778. [2023-12-19 23:40:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 541 states have (on average 1.2458410351201479) internal successors, (674), 594 states have internal predecessors, (674), 126 states have call successors, (126), 104 states have call predecessors, (126), 110 states have return successors, (178), 116 states have call predecessors, (178), 126 states have call successors, (178) [2023-12-19 23:40:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 978 transitions. [2023-12-19 23:40:57,971 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 978 transitions. Word has length 97 [2023-12-19 23:40:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:40:57,972 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 978 transitions. [2023-12-19 23:40:57,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-12-19 23:40:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 978 transitions. [2023-12-19 23:40:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-19 23:40:57,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:40:57,978 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:40:57,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 23:40:58,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:40:58,184 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:40:58,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:40:58,184 INFO L85 PathProgramCache]: Analyzing trace with hash 657996977, now seen corresponding path program 1 times [2023-12-19 23:40:58,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:40:58,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610426761] [2023-12-19 23:40:58,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:58,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:40:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:40:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:40:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:40:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:40:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:40:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:40:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:40:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:40:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:40:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:40:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:40:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:40:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:40:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:40:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:40:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:40:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:40:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:40:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-19 23:40:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-19 23:40:58,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:40:58,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610426761] [2023-12-19 23:40:58,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610426761] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:40:58,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019652253] [2023-12-19 23:40:58,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:40:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:40:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:40:58,372 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) [2023-12-19 23:40:58,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 23:40:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:40:58,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 23:40:58,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:40:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:40:58,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:40:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 34 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-12-19 23:40:58,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019652253] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:40:58,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:40:58,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2023-12-19 23:40:58,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799059922] [2023-12-19 23:40:58,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:40:58,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-19 23:40:58,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:40:58,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-19 23:40:58,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2023-12-19 23:40:58,939 INFO L87 Difference]: Start difference. First operand 778 states and 978 transitions. Second operand has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-19 23:41:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:41:00,436 INFO L93 Difference]: Finished difference Result 2393 states and 3161 transitions. [2023-12-19 23:41:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-19 23:41:00,437 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 174 [2023-12-19 23:41:00,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:41:00,442 INFO L225 Difference]: With dead ends: 2393 [2023-12-19 23:41:00,443 INFO L226 Difference]: Without dead ends: 1617 [2023-12-19 23:41:00,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=855, Invalid=3701, Unknown=0, NotChecked=0, Total=4556 [2023-12-19 23:41:00,446 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1423 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 23:41:00,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 765 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 23:41:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2023-12-19 23:41:00,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1583. [2023-12-19 23:41:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1112 states have (on average 1.185251798561151) internal successors, (1318), 1202 states have internal predecessors, (1318), 256 states have call successors, (256), 219 states have call predecessors, (256), 214 states have return successors, (342), 228 states have call predecessors, (342), 256 states have call successors, (342) [2023-12-19 23:41:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1916 transitions. [2023-12-19 23:41:00,519 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1916 transitions. Word has length 174 [2023-12-19 23:41:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:41:00,520 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 1916 transitions. [2023-12-19 23:41:00,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-19 23:41:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1916 transitions. [2023-12-19 23:41:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-19 23:41:00,547 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:41:00,547 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 23:41:00,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 23:41:00,753 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,SelfDestructingSolverStorable9 [2023-12-19 23:41:00,753 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:41:00,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:41:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1273784511, now seen corresponding path program 1 times [2023-12-19 23:41:00,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:41:00,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454985004] [2023-12-19 23:41:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:41:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:41:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:41:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:41:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:41:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:41:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:41:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:41:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:41:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:41:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-19 23:41:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-19 23:41:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-19 23:41:00,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:41:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454985004] [2023-12-19 23:41:00,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454985004] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:41:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715834758] [2023-12-19 23:41:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:00,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:00,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:41:00,991 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) [2023-12-19 23:41:01,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 23:41:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:41:01,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:41:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-19 23:41:01,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:41:01,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715834758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:41:01,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:41:01,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-19 23:41:01,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900738988] [2023-12-19 23:41:01,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:41:01,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:41:01,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:41:01,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:41:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:41:01,130 INFO L87 Difference]: Start difference. First operand 1583 states and 1916 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:41:01,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:41:01,233 INFO L93 Difference]: Finished difference Result 3188 states and 3854 transitions. [2023-12-19 23:41:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:41:01,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 191 [2023-12-19 23:41:01,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:41:01,239 INFO L225 Difference]: With dead ends: 3188 [2023-12-19 23:41:01,239 INFO L226 Difference]: Without dead ends: 1607 [2023-12-19 23:41:01,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:41:01,243 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 32 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:41:01,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 212 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:41:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2023-12-19 23:41:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1583. [2023-12-19 23:41:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1112 states have (on average 1.1744604316546763) internal successors, (1306), 1202 states have internal predecessors, (1306), 256 states have call successors, (256), 219 states have call predecessors, (256), 214 states have return successors, (300), 228 states have call predecessors, (300), 256 states have call successors, (300) [2023-12-19 23:41:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1862 transitions. [2023-12-19 23:41:01,321 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1862 transitions. Word has length 191 [2023-12-19 23:41:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:41:01,322 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 1862 transitions. [2023-12-19 23:41:01,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:41:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1862 transitions. [2023-12-19 23:41:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-19 23:41:01,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:41:01,325 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:41:01,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 23:41:01,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:01,531 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:41:01,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:41:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1726904015, now seen corresponding path program 1 times [2023-12-19 23:41:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:41:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200523162] [2023-12-19 23:41:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:41:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:41:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:41:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:41:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:41:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:41:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:41:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:41:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:41:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-19 23:41:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-19 23:41:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-19 23:41:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-19 23:41:01,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:41:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200523162] [2023-12-19 23:41:01,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200523162] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:41:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819942594] [2023-12-19 23:41:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:41:01,752 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) [2023-12-19 23:41:01,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 23:41:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:01,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 23:41:01,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:41:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 166 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-19 23:41:01,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:41:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-19 23:41:02,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819942594] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:41:02,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:41:02,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-12-19 23:41:02,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604664587] [2023-12-19 23:41:02,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:41:02,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-19 23:41:02,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:41:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-19 23:41:02,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-12-19 23:41:02,337 INFO L87 Difference]: Start difference. First operand 1583 states and 1862 transitions. Second operand has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-12-19 23:41:03,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:41:03,469 INFO L93 Difference]: Finished difference Result 3094 states and 3660 transitions. [2023-12-19 23:41:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-19 23:41:03,470 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) Word has length 188 [2023-12-19 23:41:03,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:41:03,475 INFO L225 Difference]: With dead ends: 3094 [2023-12-19 23:41:03,475 INFO L226 Difference]: Without dead ends: 1665 [2023-12-19 23:41:03,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=399, Invalid=1763, Unknown=0, NotChecked=0, Total=2162 [2023-12-19 23:41:03,479 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 417 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:41:03,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 311 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 23:41:03,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2023-12-19 23:41:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1531. [2023-12-19 23:41:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1078 states have (on average 1.1697588126159555) internal successors, (1261), 1158 states have internal predecessors, (1261), 234 states have call successors, (234), 215 states have call predecessors, (234), 218 states have return successors, (278), 222 states have call predecessors, (278), 234 states have call successors, (278) [2023-12-19 23:41:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1773 transitions. [2023-12-19 23:41:03,555 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1773 transitions. Word has length 188 [2023-12-19 23:41:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:41:03,555 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1773 transitions. [2023-12-19 23:41:03,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-12-19 23:41:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1773 transitions. [2023-12-19 23:41:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-19 23:41:03,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:41:03,559 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:41:03,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 23:41:03,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:03,764 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:41:03,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:41:03,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1959727266, now seen corresponding path program 1 times [2023-12-19 23:41:03,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:41:03,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343697662] [2023-12-19 23:41:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:03,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:41:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:41:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:41:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:41:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:41:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:41:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:41:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:41:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:41:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-19 23:41:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:41:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-19 23:41:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-19 23:41:04,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:41:04,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343697662] [2023-12-19 23:41:04,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343697662] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:41:04,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18066270] [2023-12-19 23:41:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:04,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:41:04,087 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) [2023-12-19 23:41:04,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 23:41:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:04,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 23:41:04,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:41:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-19 23:41:04,375 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:41:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 89 proven. 38 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-19 23:41:04,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18066270] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:41:04,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:41:04,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 27 [2023-12-19 23:41:04,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515903754] [2023-12-19 23:41:04,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:41:04,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-19 23:41:04,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:41:04,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-19 23:41:04,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2023-12-19 23:41:04,841 INFO L87 Difference]: Start difference. First operand 1531 states and 1773 transitions. Second operand has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-19 23:41:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:41:07,847 INFO L93 Difference]: Finished difference Result 3454 states and 4058 transitions. [2023-12-19 23:41:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-19 23:41:07,847 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) Word has length 189 [2023-12-19 23:41:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:41:07,855 INFO L225 Difference]: With dead ends: 3454 [2023-12-19 23:41:07,856 INFO L226 Difference]: Without dead ends: 2085 [2023-12-19 23:41:07,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 434 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2091 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1361, Invalid=6121, Unknown=0, NotChecked=0, Total=7482 [2023-12-19 23:41:07,861 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 1554 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 4483 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 4483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:41:07,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 1002 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 4483 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-19 23:41:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2023-12-19 23:41:07,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1895. [2023-12-19 23:41:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1337 states have (on average 1.169035153328347) internal successors, (1563), 1424 states have internal predecessors, (1563), 293 states have call successors, (293), 270 states have call predecessors, (293), 264 states have return successors, (332), 272 states have call predecessors, (332), 293 states have call successors, (332) [2023-12-19 23:41:07,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2188 transitions. [2023-12-19 23:41:07,998 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2188 transitions. Word has length 189 [2023-12-19 23:41:07,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:41:07,999 INFO L495 AbstractCegarLoop]: Abstraction has 1895 states and 2188 transitions. [2023-12-19 23:41:07,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-19 23:41:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2188 transitions. [2023-12-19 23:41:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-19 23:41:08,003 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:41:08,003 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:41:08,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 23:41:08,209 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,SelfDestructingSolverStorable12 [2023-12-19 23:41:08,209 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:41:08,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:41:08,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1136047169, now seen corresponding path program 1 times [2023-12-19 23:41:08,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:41:08,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935553606] [2023-12-19 23:41:08,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:08,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:41:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 23:41:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:41:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:41:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-19 23:41:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:41:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:41:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:41:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-19 23:41:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-19 23:41:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:41:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:41:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:41:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-19 23:41:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-19 23:41:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-19 23:41:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-19 23:41:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-19 23:41:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:41:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 23:41:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-19 23:41:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 91 proven. 26 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-19 23:41:08,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:41:08,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935553606] [2023-12-19 23:41:08,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935553606] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:41:08,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094407212] [2023-12-19 23:41:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:41:08,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:08,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:41:08,427 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) [2023-12-19 23:41:08,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 23:41:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:41:08,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-19 23:41:08,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:41:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 188 proven. 13 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-12-19 23:41:08,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:41:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 118 proven. 63 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-19 23:41:09,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094407212] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:41:09,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:41:09,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 14] total 28 [2023-12-19 23:41:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685465129] [2023-12-19 23:41:09,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:41:09,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-19 23:41:09,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:41:09,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-19 23:41:09,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2023-12-19 23:41:09,264 INFO L87 Difference]: Start difference. First operand 1895 states and 2188 transitions. Second operand has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-19 23:41:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:41:10,870 INFO L93 Difference]: Finished difference Result 3412 states and 4026 transitions. [2023-12-19 23:41:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-19 23:41:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) Word has length 219 [2023-12-19 23:41:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:41:10,872 INFO L225 Difference]: With dead ends: 3412 [2023-12-19 23:41:10,872 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 23:41:10,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 480 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=909, Invalid=3123, Unknown=0, NotChecked=0, Total=4032 [2023-12-19 23:41:10,877 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 850 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:41:10,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 492 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 23:41:10,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 23:41:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 23:41:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 23:41:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 23:41:10,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2023-12-19 23:41:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:41:10,878 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 23:41:10,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-19 23:41:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 23:41:10,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 23:41:10,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 23:41:10,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 23:41:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:41:11,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 23:41:21,508 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2023-12-19 23:41:21,509 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 332) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~switchedOnBeforeTS~0 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 2 ~waterLevel~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse2 .cse3))) [2023-12-19 23:41:21,509 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 215 221) no Hoare annotation was computed. [2023-12-19 23:41:21,509 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 215 221) the Hoare annotation is: true [2023-12-19 23:41:21,509 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2023-12-19 23:41:21,509 INFO L899 garLoopResultBuilder]: For program point L417-2(lines 417 421) no Hoare annotation was computed. [2023-12-19 23:41:21,509 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 273) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-19 23:41:21,509 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-19 23:41:21,510 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 270) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 249 273) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 344 352) the Hoare annotation is: true [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 477 488) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1)) (or .cse1 .cse6 .cse2 (< 1 ~waterLevel~0)) (or .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse4))) [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2023-12-19 23:41:21,510 INFO L902 garLoopResultBuilder]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2023-12-19 23:41:21,511 INFO L902 garLoopResultBuilder]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2023-12-19 23:41:21,511 INFO L902 garLoopResultBuilder]: At program point L561(line 561) the Hoare annotation is: true [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L561-1(line 561) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 555 584) the Hoare annotation is: true [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L580(lines 555 584) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 461) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L457-2(lines 453 464) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= ~methaneLevelCritical~0 0)) (.cse23 (<= ~waterLevel~0 0)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (= ~pumpRunning~0 0)) (.cse17 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse24 (not .cse7))) (let ((.cse3 (and .cse21 .cse17 .cse1 .cse2 .cse24)) (.cse14 (and .cse21 .cse17 .cse18 .cse2 .cse24)) (.cse11 (and .cse21 .cse17 .cse23 .cse22 .cse2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse15 (and .cse21 .cse17 .cse20 .cse23 .cse22 .cse2)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse16 (and (<= 1 ~pumpRunning~0) .cse0 .cse17 .cse20 .cse23 .cse22 .cse2)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse19 (and .cse21 .cse17 .cse22)) (.cse4 (not .cse20))) (and (or (and .cse0 .cse1 .cse2 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse9) (or .cse3 .cse5 .cse6 .cse7 .cse9) (or .cse10 .cse11 .cse12 .cse6 .cse7 .cse13 .cse9) (or .cse14 .cse10 .cse15 .cse4 .cse6 .cse7 .cse13 .cse16 (and .cse0 .cse17 .cse18 .cse2)) (or .cse14 .cse10 .cse11 .cse6 .cse7 .cse13 .cse9) (or .cse8 .cse4 .cse5) (or .cse8 .cse19 .cse13 .cse9) (or .cse10 .cse15 .cse12 .cse4 .cse6 .cse7 .cse16) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse19 .cse4))))) [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-19 23:41:21,511 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2023-12-19 23:41:21,512 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse4 .cse5 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse11 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (< 1 |old(~waterLevel~0)|) .cse7 .cse0 .cse2 (and .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse6) .cse3 .cse8) (or .cse7 (< 0 |old(~waterLevel~0)|) .cse0 .cse2 .cse3 .cse8) (or .cse9 .cse0 .cse10) (or .cse7 .cse2 .cse3 .cse10 .cse11) (or .cse1 .cse2 .cse3 .cse11) (or .cse9 .cse10 .cse11)))) [2023-12-19 23:41:21,512 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (< 0 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9) (or .cse8 .cse10 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse8 .cse4 .cse5) (or .cse10 (and .cse1 (= ~waterLevel~0 1) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse9 .cse6) (or (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse5 .cse6))) [2023-12-19 23:41:21,512 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (and .cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse14)) (.cse5 (not .cse15)) (.cse11 (and .cse12 .cse15 (<= ~waterLevel~0 0) .cse13 .cse14)) (.cse6 (and .cse12 (= ~waterLevel~0 1) .cse14)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse5 .cse9) (or .cse0 .cse10 .cse5 .cse2 .cse3 .cse11) (or .cse8 .cse9 .cse4) (or (and .cse12 .cse13 .cse14) .cse0 .cse10 .cse2 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse5 .cse2 .cse3 .cse11) (or .cse6 .cse7 .cse2 .cse3 .cse4)))) [2023-12-19 23:41:21,512 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2023-12-19 23:41:21,512 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 188 214) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (and .cse13 .cse11 .cse12)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse13 (= 2 ~waterLevel~0) .cse11)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse7 .cse8) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse2) (or .cse9 .cse10 .cse1 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse10)))) [2023-12-19 23:41:21,513 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse9 (= 0 ~systemActive~0))) (let ((.cse6 (not .cse9)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse4 .cse5) (or .cse1 .cse3 .cse4 .cse6) (or .cse3 .cse10 .cse8 .cse9) (or .cse0 .cse7 .cse3 .cse8 .cse9) (or .cse10 .cse8 .cse9 .cse5) (or .cse1 (and .cse11 (= 2 ~waterLevel~0)) .cse3 .cse10) (or .cse1 .cse2 .cse4 .cse5)))) [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 275 299) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (and .cse13 .cse11 .cse12)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse13 (= 2 ~waterLevel~0) .cse11)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse7 .cse8) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse2) (or .cse9 .cse10 .cse1 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse10)))) [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 191 213) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L658(line 658) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 188 214) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 658) no Hoare annotation was computed. [2023-12-19 23:41:21,513 INFO L895 garLoopResultBuilder]: At program point L168(lines 117 169) the Hoare annotation is: false [2023-12-19 23:41:21,513 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 162) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 148 163) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse3 .cse4 .cse8 .cse11 .cse5) (and .cse0 .cse6 .cse10 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse7 .cse6 .cse3 .cse4 .cse8 .cse11 .cse5) (and .cse7 .cse2 .cse6 .cse3 .cse4 .cse5)))) [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L119(lines 118 167) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 163) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7 .cse5) (and .cse0 .cse8 .cse3 .cse4 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse8 .cse3 .cse4 .cse5))) [2023-12-19 23:41:21,514 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse6))) [2023-12-19 23:41:21,514 INFO L895 garLoopResultBuilder]: At program point L165(lines 118 167) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0)) (and .cse6 .cse2 .cse7 .cse3 .cse4 .cse8))) [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 647) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 134) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 640 647) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2023-12-19 23:41:21,514 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 431 437) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L171(lines 108 175) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L895 garLoopResultBuilder]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0)) (and .cse6 .cse2 .cse7 .cse3 .cse4 .cse8))) [2023-12-19 23:41:21,515 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L242-1(lines 223 247) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 247) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 530 543) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 223 247) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L895 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6))) [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 308 324) no Hoare annotation was computed. [2023-12-19 23:41:21,515 INFO L899 garLoopResultBuilder]: For program point L313-1(line 313) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 540) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L895 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (< 1 ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse7)) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) .cse7 (not .cse3))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse2 (< ~switchedOnBeforeTS~0 1) .cse5 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse5 .cse3)))) [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L398-2(lines 398 402) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 239) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 244) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 465 476) the Hoare annotation is: (let ((.cse9 (< ~methaneLevelCritical~0 1)) (.cse1 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (= 2 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< 0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7) (or .cse8 .cse5 .cse3 .cse9) (or .cse5 .cse6 .cse7 .cse9) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (or .cse0 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse2 .cse3))) [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2023-12-19 23:41:21,516 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 333 343) the Hoare annotation is: true [2023-12-19 23:41:21,518 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:41:21,519 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 23:41:21,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:41:21 BoogieIcfgContainer [2023-12-19 23:41:21,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 23:41:21,532 INFO L158 Benchmark]: Toolchain (without parser) took 28907.77ms. Allocated memory was 228.6MB in the beginning and 571.5MB in the end (delta: 342.9MB). Free memory was 187.1MB in the beginning and 252.9MB in the end (delta: -65.8MB). Peak memory consumption was 342.1MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,533 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 23:41:21,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.55ms. Allocated memory is still 228.6MB. Free memory was 186.6MB in the beginning and 166.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 228.6MB. Free memory was 166.1MB in the beginning and 164.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,534 INFO L158 Benchmark]: Boogie Preprocessor took 32.17ms. Allocated memory is still 228.6MB. Free memory was 164.0MB in the beginning and 161.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,534 INFO L158 Benchmark]: RCFGBuilder took 449.43ms. Allocated memory is still 228.6MB. Free memory was 161.4MB in the beginning and 137.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,535 INFO L158 Benchmark]: TraceAbstraction took 28019.82ms. Allocated memory was 228.6MB in the beginning and 571.5MB in the end (delta: 342.9MB). Free memory was 136.2MB in the beginning and 252.9MB in the end (delta: -116.6MB). Peak memory consumption was 291.8MB. Max. memory is 8.0GB. [2023-12-19 23:41:21,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 362.55ms. Allocated memory is still 228.6MB. Free memory was 186.6MB in the beginning and 166.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 228.6MB. Free memory was 166.1MB in the beginning and 164.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.17ms. Allocated memory is still 228.6MB. Free memory was 164.0MB in the beginning and 161.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 449.43ms. Allocated memory is still 228.6MB. Free memory was 161.4MB in the beginning and 137.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 28019.82ms. Allocated memory was 228.6MB in the beginning and 571.5MB in the end (delta: 342.9MB). Free memory was 136.2MB in the beginning and 252.9MB in the end (delta: -116.6MB). Peak memory consumption was 291.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] - GenericResultAtLocation [Line: 176]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653] - GenericResultAtLocation [Line: 662]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662] - GenericResultAtLocation [Line: 697]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697] * 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: 658]: 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 11 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.0s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5742 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5688 mSDsluCounter, 5633 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4356 mSDsCounter, 2553 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13489 IncrementalHoareTripleChecker+Invalid, 16042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2553 mSolverCounterUnsat, 1277 mSDtfsCounter, 13489 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2666 GetRequests, 2281 SyntacticMatches, 22 SemanticMatches, 363 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5323 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1895occurred in iteration=13, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 711 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 3956 PreInvPairs, 4314 NumberOfFragments, 3057 HoareAnnotationTreeSize, 3956 FormulaSimplifications, 38709 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 31 FormulaSimplificationsInter, 55933 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2416 NumberOfCodeBlocks, 2416 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3258 ConstructedInterpolants, 0 QuantifiedInterpolants, 6763 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3459 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 2946/3314 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: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 0))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-12-19 23:41:21,584 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...