./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:04:56,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:04:56,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:04:56,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:04:56,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:04:56,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:04:56,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:04:56,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:04:56,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:04:56,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:04:56,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:04:56,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:04:56,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:04:56,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:04:56,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:04:56,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:04:56,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:04:56,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:04:56,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:04:56,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:04:56,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:04:56,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:04:56,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:04:56,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:04:56,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:04:56,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:04:56,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:04:56,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:04:56,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:04:56,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:04:56,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:04:56,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:04:56,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:04:56,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:04:56,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:04:56,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:04:56,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:04:56,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:04:56,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:04:56,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:04:56,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:04:56,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:04:56,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f [2024-11-19 22:04:56,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:04:56,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:04:56,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:04:56,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:04:56,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:04:56,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2024-11-19 22:04:58,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:04:58,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:04:58,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2024-11-19 22:04:58,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77bf0e2b/e93f26de24384bab835f32b023dae366/FLAG3d443e160 [2024-11-19 22:04:58,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77bf0e2b/e93f26de24384bab835f32b023dae366 [2024-11-19 22:04:58,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:04:58,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:04:58,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:04:58,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:04:58,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:04:58,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:58" (1/1) ... [2024-11-19 22:04:58,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1d4b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:58, skipping insertion in model container [2024-11-19 22:04:58,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:58" (1/1) ... [2024-11-19 22:04:58,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:04:59,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c[7923,7936] [2024-11-19 22:04:59,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:04:59,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:04:59,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-19 22:04:59,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2024-11-19 22:04:59,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] [2024-11-19 22:04:59,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] [2024-11-19 22:04:59,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-19 22:04:59,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2024-11-19 22:04:59,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [616] [2024-11-19 22:04:59,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [642] [2024-11-19 22:04:59,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c[7923,7936] [2024-11-19 22:04:59,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:04:59,283 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:04:59,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59 WrapperNode [2024-11-19 22:04:59,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:04:59,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:04:59,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:04:59,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:04:59,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,336 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 221 [2024-11-19 22:04:59,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:04:59,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:04:59,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:04:59,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:04:59,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,374 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]. [2024-11-19 22:04:59,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:04:59,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:04:59,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:04:59,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:04:59,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (1/1) ... [2024-11-19 22:04:59,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:04:59,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:04:59,443 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) [2024-11-19 22:04:59,482 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 [2024-11-19 22:04:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:04:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:04:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-19 22:04:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-19 22:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:04:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:04:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:04:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-19 22:04:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-19 22:04:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:04:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:04:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:04:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:04:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:04:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:04:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:04:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:04:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:04:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:04:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:04:59,631 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:04:59,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:04:59,906 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-19 22:04:59,906 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:04:59,920 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:04:59,920 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:04:59,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:59 BoogieIcfgContainer [2024-11-19 22:04:59,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:04:59,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:04:59,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:04:59,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:04:59,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:04:58" (1/3) ... [2024-11-19 22:04:59,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384a697b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:59, skipping insertion in model container [2024-11-19 22:04:59,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:59" (2/3) ... [2024-11-19 22:04:59,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384a697b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:59, skipping insertion in model container [2024-11-19 22:04:59,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:59" (3/3) ... [2024-11-19 22:04:59,933 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2024-11-19 22:04:59,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:04:59,947 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:05:00,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:05:00,020 INFO L333 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, 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;@ad1b599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:05:00,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:05:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 76 states have (on average 1.381578947368421) internal successors, (105), 87 states have internal predecessors, (105), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 22:05:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 22:05:00,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:00,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:00,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:00,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1474419874, now seen corresponding path program 1 times [2024-11-19 22:05:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:00,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496675992] [2024-11-19 22:05:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:00,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-19 22:05:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:00,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:00,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496675992] [2024-11-19 22:05:00,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496675992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:00,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:00,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:05:00,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82897555] [2024-11-19 22:05:00,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:00,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:05:00,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:05:00,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:05:00,293 INFO L87 Difference]: Start difference. First operand has 104 states, 76 states have (on average 1.381578947368421) internal successors, (105), 87 states have internal predecessors, (105), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:00,325 INFO L93 Difference]: Finished difference Result 200 states and 273 transitions. [2024-11-19 22:05:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:05:00,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-19 22:05:00,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:00,335 INFO L225 Difference]: With dead ends: 200 [2024-11-19 22:05:00,335 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 22:05:00,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:05:00,342 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:00,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:00,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 22:05:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-19 22:05:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.318840579710145) internal successors, (91), 79 states have internal predecessors, (91), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 22:05:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 124 transitions. [2024-11-19 22:05:00,393 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 124 transitions. Word has length 23 [2024-11-19 22:05:00,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:00,394 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 124 transitions. [2024-11-19 22:05:00,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2024-11-19 22:05:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 22:05:00,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:00,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:00,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:05:00,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:00,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:00,398 INFO L85 PathProgramCache]: Analyzing trace with hash -276966886, now seen corresponding path program 1 times [2024-11-19 22:05:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:00,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51352861] [2024-11-19 22:05:00,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:00,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-19 22:05:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:00,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:00,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51352861] [2024-11-19 22:05:00,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51352861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:00,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:00,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:05:00,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143521518] [2024-11-19 22:05:00,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:00,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:05:00,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:00,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:05:00,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:00,531 INFO L87 Difference]: Start difference. First operand 95 states and 124 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:00,561 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2024-11-19 22:05:00,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:05:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-19 22:05:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:00,564 INFO L225 Difference]: With dead ends: 152 [2024-11-19 22:05:00,565 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 22:05:00,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:00,567 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 16 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:00,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 22:05:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 22:05:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 73 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 22:05:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2024-11-19 22:05:00,588 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 112 transitions. Word has length 24 [2024-11-19 22:05:00,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:00,588 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 112 transitions. [2024-11-19 22:05:00,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2024-11-19 22:05:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 22:05:00,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:00,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:00,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:05:00,591 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:00,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:00,591 INFO L85 PathProgramCache]: Analyzing trace with hash -716658634, now seen corresponding path program 1 times [2024-11-19 22:05:00,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:00,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8084882] [2024-11-19 22:05:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:05:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:00,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8084882] [2024-11-19 22:05:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8084882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:00,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:00,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:05:00,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527314169] [2024-11-19 22:05:00,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:00,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:05:00,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:00,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:05:00,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:00,697 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:00,749 INFO L93 Difference]: Finished difference Result 243 states and 322 transitions. [2024-11-19 22:05:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:05:00,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-19 22:05:00,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:00,751 INFO L225 Difference]: With dead ends: 243 [2024-11-19 22:05:00,752 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 22:05:00,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:00,755 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 92 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:00,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 228 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 22:05:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2024-11-19 22:05:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 116 states have (on average 1.353448275862069) internal successors, (157), 135 states have internal predecessors, (157), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 22:05:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 213 transitions. [2024-11-19 22:05:00,788 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 213 transitions. Word has length 28 [2024-11-19 22:05:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:00,788 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 213 transitions. [2024-11-19 22:05:00,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 213 transitions. [2024-11-19 22:05:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 22:05:00,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:00,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:00,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:05:00,791 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:00,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash -865686932, now seen corresponding path program 1 times [2024-11-19 22:05:00,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:00,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732534225] [2024-11-19 22:05:00,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:00,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:05:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:00,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:00,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732534225] [2024-11-19 22:05:00,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732534225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:00,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:00,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:05:00,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025897008] [2024-11-19 22:05:00,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:00,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:05:00,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:00,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:05:00,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:05:00,932 INFO L87 Difference]: Start difference. First operand 161 states and 213 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:01,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:01,061 INFO L93 Difference]: Finished difference Result 405 states and 552 transitions. [2024-11-19 22:05:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:05:01,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-19 22:05:01,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:01,064 INFO L225 Difference]: With dead ends: 405 [2024-11-19 22:05:01,065 INFO L226 Difference]: Without dead ends: 251 [2024-11-19 22:05:01,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:05:01,067 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:01,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 401 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:05:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-19 22:05:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 250. [2024-11-19 22:05:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 183 states have (on average 1.3060109289617485) internal successors, (239), 200 states have internal predecessors, (239), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (48), 31 states have call predecessors, (48), 36 states have call successors, (48) [2024-11-19 22:05:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 323 transitions. [2024-11-19 22:05:01,099 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 323 transitions. Word has length 32 [2024-11-19 22:05:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:01,100 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 323 transitions. [2024-11-19 22:05:01,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 323 transitions. [2024-11-19 22:05:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 22:05:01,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:01,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:01,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:05:01,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:01,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1317735366, now seen corresponding path program 1 times [2024-11-19 22:05:01,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:01,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807692394] [2024-11-19 22:05:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:05:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:05:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 22:05:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:01,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807692394] [2024-11-19 22:05:01,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807692394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:01,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:01,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:05:01,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603966930] [2024-11-19 22:05:01,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:01,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:05:01,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:01,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:05:01,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:05:01,297 INFO L87 Difference]: Start difference. First operand 250 states and 323 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:05:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:01,500 INFO L93 Difference]: Finished difference Result 553 states and 722 transitions. [2024-11-19 22:05:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:05:01,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-19 22:05:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:01,504 INFO L225 Difference]: With dead ends: 553 [2024-11-19 22:05:01,505 INFO L226 Difference]: Without dead ends: 310 [2024-11-19 22:05:01,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:05:01,510 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 59 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:01,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 386 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:05:01,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-19 22:05:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 308. [2024-11-19 22:05:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 227 states have (on average 1.2731277533039647) internal successors, (289), 244 states have internal predecessors, (289), 40 states have call successors, (40), 30 states have call predecessors, (40), 40 states have return successors, (62), 43 states have call predecessors, (62), 40 states have call successors, (62) [2024-11-19 22:05:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 391 transitions. [2024-11-19 22:05:01,556 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 391 transitions. Word has length 47 [2024-11-19 22:05:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:01,556 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 391 transitions. [2024-11-19 22:05:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:05:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 391 transitions. [2024-11-19 22:05:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 22:05:01,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:01,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:01,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:05:01,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:01,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:01,561 INFO L85 PathProgramCache]: Analyzing trace with hash 500086916, now seen corresponding path program 1 times [2024-11-19 22:05:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029603150] [2024-11-19 22:05:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:01,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:05:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:05:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 22:05:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:01,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:01,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029603150] [2024-11-19 22:05:01,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029603150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:01,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:01,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:05:01,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202533677] [2024-11-19 22:05:01,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:01,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:05:01,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:01,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:05:01,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:05:01,714 INFO L87 Difference]: Start difference. First operand 308 states and 391 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:05:01,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:01,882 INFO L93 Difference]: Finished difference Result 615 states and 806 transitions. [2024-11-19 22:05:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:05:01,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-19 22:05:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:01,887 INFO L225 Difference]: With dead ends: 615 [2024-11-19 22:05:01,887 INFO L226 Difference]: Without dead ends: 314 [2024-11-19 22:05:01,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:05:01,890 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 58 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:01,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 301 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:05:01,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-19 22:05:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2024-11-19 22:05:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 248 states have internal predecessors, (293), 40 states have call successors, (40), 30 states have call predecessors, (40), 40 states have return successors, (62), 43 states have call predecessors, (62), 40 states have call successors, (62) [2024-11-19 22:05:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2024-11-19 22:05:01,936 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 47 [2024-11-19 22:05:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:01,937 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2024-11-19 22:05:01,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:05:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2024-11-19 22:05:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 22:05:01,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:01,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:01,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:05:01,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:01,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 718941634, now seen corresponding path program 1 times [2024-11-19 22:05:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:01,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973969021] [2024-11-19 22:05:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:05:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:05:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 22:05:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:02,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:02,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973969021] [2024-11-19 22:05:02,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973969021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:02,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:02,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:05:02,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297264261] [2024-11-19 22:05:02,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:05:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:05:02,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:05:02,058 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 22:05:02,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:02,334 INFO L93 Difference]: Finished difference Result 885 states and 1166 transitions. [2024-11-19 22:05:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:05:02,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2024-11-19 22:05:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:02,339 INFO L225 Difference]: With dead ends: 885 [2024-11-19 22:05:02,339 INFO L226 Difference]: Without dead ends: 580 [2024-11-19 22:05:02,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:05:02,341 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 230 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:02,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 321 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:05:02,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-19 22:05:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 573. [2024-11-19 22:05:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 424 states have (on average 1.2382075471698113) internal successors, (525), 450 states have internal predecessors, (525), 75 states have call successors, (75), 67 states have call predecessors, (75), 73 states have return successors, (127), 76 states have call predecessors, (127), 75 states have call successors, (127) [2024-11-19 22:05:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 727 transitions. [2024-11-19 22:05:02,388 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 727 transitions. Word has length 47 [2024-11-19 22:05:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:02,389 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 727 transitions. [2024-11-19 22:05:02,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 22:05:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 727 transitions. [2024-11-19 22:05:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 22:05:02,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:02,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:02,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:05:02,391 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:02,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1089796900, now seen corresponding path program 1 times [2024-11-19 22:05:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:02,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257766915] [2024-11-19 22:05:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-19 22:05:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:05:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:05:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-19 22:05:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:02,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257766915] [2024-11-19 22:05:02,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257766915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:02,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:02,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:05:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947452672] [2024-11-19 22:05:02,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:02,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 22:05:02,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 22:05:02,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:05:02,552 INFO L87 Difference]: Start difference. First operand 573 states and 727 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 22:05:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:03,238 INFO L93 Difference]: Finished difference Result 1913 states and 2519 transitions. [2024-11-19 22:05:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 22:05:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-11-19 22:05:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:03,247 INFO L225 Difference]: With dead ends: 1913 [2024-11-19 22:05:03,247 INFO L226 Difference]: Without dead ends: 1347 [2024-11-19 22:05:03,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-19 22:05:03,251 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 331 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:03,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 355 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:05:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-19 22:05:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1305. [2024-11-19 22:05:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 956 states have (on average 1.207112970711297) internal successors, (1154), 1023 states have internal predecessors, (1154), 182 states have call successors, (182), 134 states have call predecessors, (182), 166 states have return successors, (340), 188 states have call predecessors, (340), 182 states have call successors, (340) [2024-11-19 22:05:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1676 transitions. [2024-11-19 22:05:03,360 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1676 transitions. Word has length 51 [2024-11-19 22:05:03,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:03,361 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1676 transitions. [2024-11-19 22:05:03,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 22:05:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1676 transitions. [2024-11-19 22:05:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 22:05:03,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:03,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:03,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:05:03,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:03,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:03,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1199980952, now seen corresponding path program 1 times [2024-11-19 22:05:03,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:03,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50031034] [2024-11-19 22:05:03,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:03,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 22:05:03,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 22:05:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 22:05:03,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 22:05:03,427 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 22:05:03,429 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:05:03,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:05:03,433 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:03,492 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:05:03,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:05:03 BoogieIcfgContainer [2024-11-19 22:05:03,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:05:03,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:05:03,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:05:03,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:05:03,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:59" (3/4) ... [2024-11-19 22:05:03,499 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 22:05:03,582 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:05:03,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:05:03,583 INFO L158 Benchmark]: Toolchain (without parser) took 4822.85ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 92.8MB in the beginning and 65.2MB in the end (delta: 27.6MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,586 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:05:03,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.68ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 70.9MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.17ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 68.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,587 INFO L158 Benchmark]: Boogie Preprocessor took 63.91ms. Allocated memory is still 146.8MB. Free memory was 68.5MB in the beginning and 66.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,587 INFO L158 Benchmark]: RCFGBuilder took 516.63ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 65.9MB in the beginning and 140.5MB in the end (delta: -74.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,587 INFO L158 Benchmark]: TraceAbstraction took 3573.00ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 140.5MB in the beginning and 69.4MB in the end (delta: 71.0MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,587 INFO L158 Benchmark]: Witness Printer took 84.97ms. Allocated memory is still 224.4MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 22:05:03,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.68ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 70.9MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.17ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 68.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.91ms. Allocated memory is still 146.8MB. Free memory was 68.5MB in the beginning and 66.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.63ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 65.9MB in the beginning and 140.5MB in the end (delta: -74.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3573.00ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 140.5MB in the beginning and 69.4MB in the end (delta: 71.0MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Witness Printer took 84.97ms. Allocated memory is still 224.4MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [616] - GenericResultAtLocation [Line: 642]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [642] * 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 - CounterExampleResult [Line: 516]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L812] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L594] int retValue_acc ; [L595] int tmp ; [L599] FCALL select_helpers() [L600] FCALL select_features() [L601] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] RET, EXPR valid_product() [L601] tmp = valid_product() [L603] COND TRUE \read(tmp) [L605] FCALL setup() [L606] CALL runTest() [L588] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L103] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L105] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L111] tmp = __VERIFIER_nondet_int() [L113] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L115] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L427] COND TRUE waterLevel < 2 [L428] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L125] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND FALSE !(\read(methaneLevelCritical)) [L442] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L125] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L148] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L177] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L184] COND TRUE \read(systemActive) [L186] CALL processEnvironment() [L258] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L261] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L276] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L232] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L235] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L250] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L206] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L209] COND TRUE ! pumpRunning [L211] CALL, EXPR isHighWaterLevel() [L355] int retValue_acc ; [L356] int tmp ; [L357] int tmp___0 ; [L361] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L492] COND FALSE !(waterLevel < 2) [L496] retValue_acc = 0 [L497] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L361] RET, EXPR isHighWaterSensorDry() [L361] tmp = isHighWaterSensorDry() [L363] COND FALSE !(\read(tmp)) [L366] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L368] retValue_acc = tmp___0 [L369] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L211] RET, EXPR isHighWaterLevel() [L211] tmp = isHighWaterLevel() [L213] COND TRUE \read(tmp) [L215] CALL activatePump() [L286] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L215] RET activatePump() [L250] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L276] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L186] RET processEnvironment() [L192] CALL __utac_acc__Specification1_spec__1() [L618] int tmp ; [L619] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L623] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L623] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L623] tmp = isMethaneLevelCritical() [L625] COND TRUE \read(tmp) [L627] CALL, EXPR isPumpRunning() [L310] int retValue_acc ; [L313] retValue_acc = pumpRunning [L314] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L627] RET, EXPR isPumpRunning() [L627] tmp___0 = isPumpRunning() [L629] COND TRUE \read(tmp___0) [L631] CALL __automaton_fail() [L516] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 868 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 2326 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1466 mSDsCounter, 258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 850 IncrementalHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 258 mSolverCounterUnsat, 860 mSDtfsCounter, 850 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1305occurred in iteration=8, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 57 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-19 22:05:03,611 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE