./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/minepump_spec3_product53.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 e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:20:13,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:20:13,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:20:13,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:20:13,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:20:13,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:20:13,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:20:13,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:20:13,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:20:13,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:20:13,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:20:13,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:20:13,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:20:13,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:20:13,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:20:13,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:20:13,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:20:13,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:20:13,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:20:13,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:20:13,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:20:13,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:20:13,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:20:13,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:20:13,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:20:13,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:20:13,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:20:13,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:20:13,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:20:13,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:20:13,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:20:13,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:20:13,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:13,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:20:13,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:20:13,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:20:13,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:20:13,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:20:13,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:20:13,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:20:13,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:20:13,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:20:13,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2024-11-18 14:20:14,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:20:14,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:20:14,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:20:14,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:20:14,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:20:14,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2024-11-18 14:20:15,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:20:16,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:20:16,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2024-11-18 14:20:16,027 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf317375/dac17e9cf1d3475b9182afee6c55ba25/FLAG1dca2a507 [2024-11-18 14:20:16,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf317375/dac17e9cf1d3475b9182afee6c55ba25 [2024-11-18 14:20:16,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:20:16,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:20:16,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:16,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:20:16,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:20:16,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3cfa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16, skipping insertion in model container [2024-11-18 14:20:16,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:20:16,603 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_spec3_product53.cil.c[1605,1618] [2024-11-18 14:20:16,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:16,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:20:16,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-18 14:20:16,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-11-18 14:20:16,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2024-11-18 14:20:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [165] [2024-11-18 14:20:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [398] [2024-11-18 14:20:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [502] [2024-11-18 14:20:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [536] [2024-11-18 14:20:16,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [902] [2024-11-18 14:20:16,786 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_spec3_product53.cil.c[1605,1618] [2024-11-18 14:20:16,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:16,864 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:20:16,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16 WrapperNode [2024-11-18 14:20:16,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:16,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:16,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:20:16,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:20:16,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,915 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 228 [2024-11-18 14:20:16,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:16,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:20:16,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:20:16,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:20:16,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,963 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]. [2024-11-18 14:20:16,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:20:16,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:20:16,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:20:16,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:20:16,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (1/1) ... [2024-11-18 14:20:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:16,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:17,012 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) [2024-11-18 14:20:17,015 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 [2024-11-18 14:20:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:20:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:20:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:20:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:20:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:20:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:20:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:20:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:20:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:20:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:20:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:20:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:20:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:20:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:20:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:20:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:20:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:20:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:20:17,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:20:17,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:20:17,452 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-18 14:20:17,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:20:17,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:20:17,469 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:20:17,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:17 BoogieIcfgContainer [2024-11-18 14:20:17,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:20:17,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:20:17,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:20:17,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:20:17,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:20:16" (1/3) ... [2024-11-18 14:20:17,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bb83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:17, skipping insertion in model container [2024-11-18 14:20:17,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:16" (2/3) ... [2024-11-18 14:20:17,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bb83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:17, skipping insertion in model container [2024-11-18 14:20:17,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:17" (3/3) ... [2024-11-18 14:20:17,478 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2024-11-18 14:20:17,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:20:17,494 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:20:17,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:20:17,569 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;@f8976a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:20:17,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:20:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 14:20:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:20:17,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:17,590 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] [2024-11-18 14:20:17,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:17,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:17,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1763060088, now seen corresponding path program 1 times [2024-11-18 14:20:17,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563340181] [2024-11-18 14:20:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:17,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563340181] [2024-11-18 14:20:17,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563340181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:17,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:17,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:20:17,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550701598] [2024-11-18 14:20:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:17,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:20:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:20:17,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:17,846 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-18 14:20:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:17,879 INFO L93 Difference]: Finished difference Result 196 states and 267 transitions. [2024-11-18 14:20:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:20:17,882 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-18 14:20:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:17,890 INFO L225 Difference]: With dead ends: 196 [2024-11-18 14:20:17,891 INFO L226 Difference]: Without dead ends: 93 [2024-11-18 14:20:17,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:17,898 INFO L432 NwaCegarLoop]: 130 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, 130 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 [2024-11-18 14:20:17,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-18 14:20:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-18 14:20:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-18 14:20:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2024-11-18 14:20:17,946 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2024-11-18 14:20:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:17,950 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-18 14:20:17,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-18 14:20:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-18 14:20:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:20:17,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:17,956 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] [2024-11-18 14:20:17,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:20:17,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:17,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:17,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1681284877, now seen corresponding path program 1 times [2024-11-18 14:20:17,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:17,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026020981] [2024-11-18 14:20:17,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:18,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026020981] [2024-11-18 14:20:18,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026020981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:18,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729701698] [2024-11-18 14:20:18,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:18,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:18,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:18,092 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-18 14:20:18,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:18,116 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2024-11-18 14:20:18,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:18,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-18 14:20:18,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:18,120 INFO L225 Difference]: With dead ends: 152 [2024-11-18 14:20:18,120 INFO L226 Difference]: Without dead ends: 84 [2024-11-18 14:20:18,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:18,122 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 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 [2024-11-18 14:20:18,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-18 14:20:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-18 14:20:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-18 14:20:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2024-11-18 14:20:18,145 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2024-11-18 14:20:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:18,146 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2024-11-18 14:20:18,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-18 14:20:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2024-11-18 14:20:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-18 14:20:18,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,151 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] [2024-11-18 14:20:18,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:20:18,152 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1900585844, now seen corresponding path program 1 times [2024-11-18 14:20:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187790514] [2024-11-18 14:20:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:18,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:18,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187790514] [2024-11-18 14:20:18,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187790514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:18,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:18,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:18,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432714656] [2024-11-18 14:20:18,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:18,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:18,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:18,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:18,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:18,271 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-18 14:20:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:18,295 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2024-11-18 14:20:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:18,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-11-18 14:20:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:18,297 INFO L225 Difference]: With dead ends: 161 [2024-11-18 14:20:18,297 INFO L226 Difference]: Without dead ends: 84 [2024-11-18 14:20:18,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:18,301 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 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 [2024-11-18 14:20:18,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:18,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-18 14:20:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-18 14:20:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-18 14:20:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2024-11-18 14:20:18,313 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2024-11-18 14:20:18,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:18,314 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2024-11-18 14:20:18,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-18 14:20:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2024-11-18 14:20:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-18 14:20:18,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,317 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:18,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:20:18,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash 810060833, now seen corresponding path program 1 times [2024-11-18 14:20:18,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480550353] [2024-11-18 14:20:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:20:18,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:18,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480550353] [2024-11-18 14:20:18,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480550353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:18,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:18,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:18,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764681063] [2024-11-18 14:20:18,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:18,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:18,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:18,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:18,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:18,434 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-18 14:20:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:18,510 INFO L93 Difference]: Finished difference Result 209 states and 277 transitions. [2024-11-18 14:20:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:18,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-18 14:20:18,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:18,516 INFO L225 Difference]: With dead ends: 209 [2024-11-18 14:20:18,517 INFO L226 Difference]: Without dead ends: 132 [2024-11-18 14:20:18,518 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 [2024-11-18 14:20:18,522 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 62 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:18,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 202 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-18 14:20:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-11-18 14:20:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 105 states have internal predecessors, (126), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2024-11-18 14:20:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 166 transitions. [2024-11-18 14:20:18,546 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 166 transitions. Word has length 43 [2024-11-18 14:20:18,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:18,546 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 166 transitions. [2024-11-18 14:20:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-18 14:20:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2024-11-18 14:20:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 14:20:18,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,548 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] [2024-11-18 14:20:18,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:20:18,549 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1861351509, now seen corresponding path program 1 times [2024-11-18 14:20:18,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771478256] [2024-11-18 14:20:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:18,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:18,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771478256] [2024-11-18 14:20:18,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771478256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:18,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:18,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:20:18,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120709872] [2024-11-18 14:20:18,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:18,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:20:18,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:20:18,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:20:18,745 INFO L87 Difference]: Start difference. First operand 130 states and 166 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-18 14:20:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:18,919 INFO L93 Difference]: Finished difference Result 469 states and 633 transitions. [2024-11-18 14:20:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:20:18,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 2 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 49 [2024-11-18 14:20:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:18,928 INFO L225 Difference]: With dead ends: 469 [2024-11-18 14:20:18,928 INFO L226 Difference]: Without dead ends: 346 [2024-11-18 14:20:18,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:20:18,930 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 149 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:18,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 372 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:20:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-18 14:20:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 337. [2024-11-18 14:20:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 252 states have (on average 1.2936507936507937) internal successors, (326), 269 states have internal predecessors, (326), 43 states have call successors, (43), 39 states have call predecessors, (43), 41 states have return successors, (77), 41 states have call predecessors, (77), 43 states have call successors, (77) [2024-11-18 14:20:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 446 transitions. [2024-11-18 14:20:18,982 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 446 transitions. Word has length 49 [2024-11-18 14:20:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:18,983 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 446 transitions. [2024-11-18 14:20:18,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-18 14:20:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 446 transitions. [2024-11-18 14:20:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 14:20:18,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,984 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] [2024-11-18 14:20:18,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:20:18,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1995365015, now seen corresponding path program 1 times [2024-11-18 14:20:18,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121190882] [2024-11-18 14:20:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121190882] [2024-11-18 14:20:19,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121190882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:19,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954624353] [2024-11-18 14:20:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:19,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:19,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:19,067 INFO L87 Difference]: Start difference. First operand 337 states and 446 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:20:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,113 INFO L93 Difference]: Finished difference Result 676 states and 921 transitions. [2024-11-18 14:20:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:19,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 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 49 [2024-11-18 14:20:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,117 INFO L225 Difference]: With dead ends: 676 [2024-11-18 14:20:19,118 INFO L226 Difference]: Without dead ends: 346 [2024-11-18 14:20:19,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:19,120 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 414 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-18 14:20:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-18 14:20:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 261 states have (on average 1.2835249042145593) internal successors, (335), 278 states have internal predecessors, (335), 43 states have call successors, (43), 39 states have call predecessors, (43), 41 states have return successors, (77), 41 states have call predecessors, (77), 43 states have call successors, (77) [2024-11-18 14:20:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 455 transitions. [2024-11-18 14:20:19,156 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 455 transitions. Word has length 49 [2024-11-18 14:20:19,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,157 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 455 transitions. [2024-11-18 14:20:19,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:20:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 455 transitions. [2024-11-18 14:20:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 14:20:19,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,159 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] [2024-11-18 14:20:19,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:20:19,159 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2080747563, now seen corresponding path program 1 times [2024-11-18 14:20:19,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809256418] [2024-11-18 14:20:19,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809256418] [2024-11-18 14:20:19,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809256418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:19,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213748938] [2024-11-18 14:20:19,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:19,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:19,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:19,249 INFO L87 Difference]: Start difference. First operand 346 states and 455 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 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) [2024-11-18 14:20:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,310 INFO L93 Difference]: Finished difference Result 642 states and 876 transitions. [2024-11-18 14:20:19,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:19,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 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 49 [2024-11-18 14:20:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,314 INFO L225 Difference]: With dead ends: 642 [2024-11-18 14:20:19,314 INFO L226 Difference]: Without dead ends: 303 [2024-11-18 14:20:19,316 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 [2024-11-18 14:20:19,316 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 93 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 309 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-18 14:20:19,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-11-18 14:20:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 227 states have (on average 1.2687224669603525) internal successors, (288), 242 states have internal predecessors, (288), 39 states have call successors, (39), 35 states have call predecessors, (39), 36 states have return successors, (64), 36 states have call predecessors, (64), 39 states have call successors, (64) [2024-11-18 14:20:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 391 transitions. [2024-11-18 14:20:19,354 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 391 transitions. Word has length 49 [2024-11-18 14:20:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,355 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 391 transitions. [2024-11-18 14:20:19,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 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) [2024-11-18 14:20:19,356 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2024-11-18 14:20:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-18 14:20:19,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,357 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] [2024-11-18 14:20:19,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:20:19,357 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1736726981, now seen corresponding path program 1 times [2024-11-18 14:20:19,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83700528] [2024-11-18 14:20:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83700528] [2024-11-18 14:20:19,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83700528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:19,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631715674] [2024-11-18 14:20:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:19,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:19,458 INFO L87 Difference]: Start difference. First operand 303 states and 391 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-18 14:20:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,544 INFO L93 Difference]: Finished difference Result 597 states and 773 transitions. [2024-11-18 14:20:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:19,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-11-18 14:20:19,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,550 INFO L225 Difference]: With dead ends: 597 [2024-11-18 14:20:19,550 INFO L226 Difference]: Without dead ends: 301 [2024-11-18 14:20:19,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:20:19,553 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 39 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 399 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-18 14:20:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-18 14:20:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 225 states have (on average 1.2622222222222221) internal successors, (284), 240 states have internal predecessors, (284), 39 states have call successors, (39), 35 states have call predecessors, (39), 36 states have return successors, (64), 36 states have call predecessors, (64), 39 states have call successors, (64) [2024-11-18 14:20:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-11-18 14:20:19,584 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 51 [2024-11-18 14:20:19,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,584 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-11-18 14:20:19,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-18 14:20:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-11-18 14:20:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-18 14:20:19,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,589 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] [2024-11-18 14:20:19,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:20:19,589 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1340244461, now seen corresponding path program 1 times [2024-11-18 14:20:19,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874756751] [2024-11-18 14:20:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874756751] [2024-11-18 14:20:19,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874756751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 14:20:19,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837291570] [2024-11-18 14:20:19,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 14:20:19,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 14:20:19,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:20:19,702 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 14:20:19,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,849 INFO L93 Difference]: Finished difference Result 544 states and 719 transitions. [2024-11-18 14:20:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:20:19,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-18 14:20:19,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,853 INFO L225 Difference]: With dead ends: 544 [2024-11-18 14:20:19,854 INFO L226 Difference]: Without dead ends: 301 [2024-11-18 14:20:19,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:20:19,856 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 140 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 560 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:20:19,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-18 14:20:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 284. [2024-11-18 14:20:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 212 states have (on average 1.2075471698113207) internal successors, (256), 226 states have internal predecessors, (256), 37 states have call successors, (37), 33 states have call predecessors, (37), 34 states have return successors, (52), 33 states have call predecessors, (52), 37 states have call successors, (52) [2024-11-18 14:20:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 345 transitions. [2024-11-18 14:20:19,882 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 345 transitions. Word has length 53 [2024-11-18 14:20:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,883 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 345 transitions. [2024-11-18 14:20:19,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 14:20:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 345 transitions. [2024-11-18 14:20:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-18 14:20:19,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,884 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] [2024-11-18 14:20:19,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:20:19,884 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash -634886691, now seen corresponding path program 1 times [2024-11-18 14:20:19,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248327770] [2024-11-18 14:20:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248327770] [2024-11-18 14:20:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248327770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:20:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672190040] [2024-11-18 14:20:19,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:20:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:20:19,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:20:19,945 INFO L87 Difference]: Start difference. First operand 284 states and 345 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,983 INFO L93 Difference]: Finished difference Result 510 states and 631 transitions. [2024-11-18 14:20:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:20:19,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-18 14:20:19,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,985 INFO L225 Difference]: With dead ends: 510 [2024-11-18 14:20:19,986 INFO L226 Difference]: Without dead ends: 284 [2024-11-18 14:20:19,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:20:19,988 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-18 14:20:20,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-18 14:20:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 212 states have (on average 1.2028301886792452) internal successors, (255), 226 states have internal predecessors, (255), 37 states have call successors, (37), 33 states have call predecessors, (37), 34 states have return successors, (52), 33 states have call predecessors, (52), 37 states have call successors, (52) [2024-11-18 14:20:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 344 transitions. [2024-11-18 14:20:20,013 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 344 transitions. Word has length 55 [2024-11-18 14:20:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:20,014 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 344 transitions. [2024-11-18 14:20:20,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 344 transitions. [2024-11-18 14:20:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-18 14:20:20,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:20,015 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] [2024-11-18 14:20:20,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:20:20,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:20,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash -768900197, now seen corresponding path program 1 times [2024-11-18 14:20:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:20,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707500947] [2024-11-18 14:20:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:20,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707500947] [2024-11-18 14:20:20,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707500947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:20,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:20,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:20,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122481597] [2024-11-18 14:20:20,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:20,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:20,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:20,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:20,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:20,103 INFO L87 Difference]: Start difference. First operand 284 states and 344 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:20,143 INFO L93 Difference]: Finished difference Result 510 states and 626 transitions. [2024-11-18 14:20:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-18 14:20:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:20,146 INFO L225 Difference]: With dead ends: 510 [2024-11-18 14:20:20,146 INFO L226 Difference]: Without dead ends: 284 [2024-11-18 14:20:20,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:20,147 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:20,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 417 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-18 14:20:20,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-18 14:20:20,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 212 states have (on average 1.1981132075471699) internal successors, (254), 226 states have internal predecessors, (254), 37 states have call successors, (37), 33 states have call predecessors, (37), 34 states have return successors, (49), 33 states have call predecessors, (49), 37 states have call successors, (49) [2024-11-18 14:20:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 340 transitions. [2024-11-18 14:20:20,167 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 340 transitions. Word has length 55 [2024-11-18 14:20:20,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:20,170 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 340 transitions. [2024-11-18 14:20:20,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 340 transitions. [2024-11-18 14:20:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-18 14:20:20,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:20,172 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] [2024-11-18 14:20:20,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:20:20,172 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:20,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash -696926305, now seen corresponding path program 1 times [2024-11-18 14:20:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089771195] [2024-11-18 14:20:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:20,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:20,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089771195] [2024-11-18 14:20:20,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089771195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:20,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:20,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:20,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941236668] [2024-11-18 14:20:20,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:20,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:20,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:20,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:20,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:20,281 INFO L87 Difference]: Start difference. First operand 284 states and 340 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:20,359 INFO L93 Difference]: Finished difference Result 614 states and 764 transitions. [2024-11-18 14:20:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:20,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-18 14:20:20,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:20,362 INFO L225 Difference]: With dead ends: 614 [2024-11-18 14:20:20,363 INFO L226 Difference]: Without dead ends: 388 [2024-11-18 14:20:20,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:20:20,364 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 85 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:20,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 498 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-18 14:20:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 368. [2024-11-18 14:20:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 275 states have (on average 1.1963636363636363) internal successors, (329), 291 states have internal predecessors, (329), 48 states have call successors, (48), 44 states have call predecessors, (48), 44 states have return successors, (67), 43 states have call predecessors, (67), 48 states have call successors, (67) [2024-11-18 14:20:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 444 transitions. [2024-11-18 14:20:20,392 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 444 transitions. Word has length 55 [2024-11-18 14:20:20,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:20,393 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 444 transitions. [2024-11-18 14:20:20,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-18 14:20:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 444 transitions. [2024-11-18 14:20:20,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-18 14:20:20,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:20,396 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:20,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:20:20,396 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:20,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:20,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1626295211, now seen corresponding path program 1 times [2024-11-18 14:20:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:20,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513133946] [2024-11-18 14:20:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-18 14:20:20,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:20,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513133946] [2024-11-18 14:20:20,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513133946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:20:20,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318882422] [2024-11-18 14:20:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:20,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:20:20,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:20,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:20:20,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:20:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:20,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 14:20:20,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:20:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 14:20:20,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:20:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-18 14:20:21,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318882422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:20:21,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:20:21,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 17 [2024-11-18 14:20:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407901116] [2024-11-18 14:20:21,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:20:21,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-18 14:20:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-18 14:20:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-18 14:20:21,366 INFO L87 Difference]: Start difference. First operand 368 states and 444 transitions. Second operand has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-18 14:20:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:21,969 INFO L93 Difference]: Finished difference Result 704 states and 878 transitions. [2024-11-18 14:20:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 14:20:21,970 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) Word has length 89 [2024-11-18 14:20:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:21,972 INFO L225 Difference]: With dead ends: 704 [2024-11-18 14:20:21,972 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 14:20:21,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 169 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2024-11-18 14:20:21,975 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 370 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:21,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 382 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 14:20:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 14:20:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 14:20:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:20:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 14:20:21,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2024-11-18 14:20:21,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:21,978 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 14:20:21,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-18 14:20:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 14:20:21,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 14:20:21,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:20:22,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:20:22,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-18 14:20:22,190 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:22,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 14:20:25,099 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:20:25,117 WARN L156 FloydHoareUtils]: Requires clause for deactivatePump contained old-variable. Original clause: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 1) (= ~pumpRunning~0 1)) Eliminated clause: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 1)) [2024-11-18 14:20:25,150 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and (= ~pumpRunning~0 0) .cse1)) (let ((.cse2 (= 1 ~systemActive~0)) (.cse4 (<= |old(~waterLevel~0)| 2))) (or (and .cse2 .cse3 .cse4) (and .cse2 .cse0 .cse4))) (or (not .cse3) (and .cse1 (= ~pumpRunning~0 1))))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int) (|old(~waterLevel~0)| Int)) (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and (= ~pumpRunning~0 0) .cse1)) (let ((.cse2 (= 1 ~systemActive~0)) (.cse4 (<= |old(~waterLevel~0)| 2))) (or (and .cse2 .cse3 .cse4) (and .cse2 .cse0 .cse4))) (or (not .cse3) (and .cse1 (= ~pumpRunning~0 1)))))) [2024-11-18 14:20:25,158 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-18 14:20:25,167 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__highWaterSensor contained old-variable. Original clause: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= |old(~pumpRunning~0)| 1))) (and (let ((.cse0 (= 1 ~systemActive~0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and .cse0 .cse2 (<= ~waterLevel~0 2)))) (or (not .cse2) (= ~pumpRunning~0 0)) (or (not .cse1) (= ~pumpRunning~0 1)))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int)) (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= |old(~pumpRunning~0)| 1))) (and (let ((.cse0 (= 1 ~systemActive~0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and .cse0 .cse2 (<= ~waterLevel~0 2)))) (or (not .cse2) (= ~pumpRunning~0 0)) (or (not .cse1) (= ~pumpRunning~0 1))))) [2024-11-18 14:20:25,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-18 14:20:25,180 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= |old(~waterLevel~0)| ~waterLevel~0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and .cse0 (<= |old(~waterLevel~0)| 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 (<= |old(~waterLevel~0)| 1))))) Eliminated clause: (let ((.cse0 (= 1 ~systemActive~0))) (or (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0))) [2024-11-18 14:20:25,188 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= |old(~pumpRunning~0)| 1))) (and (let ((.cse0 (= 1 ~systemActive~0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and .cse0 .cse2 (<= ~waterLevel~0 2)))) (or (not .cse2) (= ~pumpRunning~0 0)) (or (not .cse1) (= ~pumpRunning~0 1)))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int)) (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= |old(~pumpRunning~0)| 1))) (and (let ((.cse0 (= 1 ~systemActive~0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and .cse0 .cse2 (<= ~waterLevel~0 2)))) (or (not .cse2) (= ~pumpRunning~0 0)) (or (not .cse1) (= ~pumpRunning~0 1))))) [2024-11-18 14:20:25,193 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-18 14:20:25,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:20:25 BoogieIcfgContainer [2024-11-18 14:20:25,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:20:25,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:20:25,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:20:25,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:20:25,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:17" (3/4) ... [2024-11-18 14:20:25,198 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 14:20:25,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-18 14:20:25,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-18 14:20:25,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-18 14:20:25,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-18 14:20:25,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-18 14:20:25,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-18 14:20:25,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:25,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-18 14:20:25,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:25,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-18 14:20:25,212 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-18 14:20:25,212 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 14:20:25,213 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:20:25,213 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:20:25,337 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:20:25,338 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 14:20:25,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:20:25,339 INFO L158 Benchmark]: Toolchain (without parser) took 8975.20ms. Allocated memory was 136.3MB in the beginning and 222.3MB in the end (delta: 86.0MB). Free memory was 85.8MB in the beginning and 157.4MB in the end (delta: -71.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,339 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:25,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.53ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 63.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 136.3MB. Free memory was 63.5MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,340 INFO L158 Benchmark]: Boogie Preprocessor took 63.97ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 58.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,340 INFO L158 Benchmark]: RCFGBuilder took 488.46ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 58.6MB in the beginning and 148.8MB in the end (delta: -90.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,341 INFO L158 Benchmark]: TraceAbstraction took 7722.95ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 147.8MB in the beginning and 164.8MB in the end (delta: -17.0MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,341 INFO L158 Benchmark]: Witness Printer took 143.61ms. Allocated memory is still 222.3MB. Free memory was 164.8MB in the beginning and 157.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-18 14:20:25,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.53ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 63.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 136.3MB. Free memory was 63.5MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.97ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 58.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.46ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 58.6MB in the beginning and 148.8MB in the end (delta: -90.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7722.95ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 147.8MB in the beginning and 164.8MB in the end (delta: -17.0MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Witness Printer took 143.61ms. Allocated memory is still 222.3MB. Free memory was 164.8MB in the beginning and 157.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [165] - GenericResultAtLocation [Line: 398]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [398] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [502] - GenericResultAtLocation [Line: 536]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [536] - GenericResultAtLocation [Line: 902]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [902] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1047 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1041 mSDsluCounter, 4303 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2773 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 678 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 1530 mSDtfsCounter, 678 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 202 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=12, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 718 NumberOfCodeBlocks, 718 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 1604 SizeOfPredicates, 2 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 53/81 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((1 == systemActive) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (pumpRunning == 1)) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 296]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: (((waterLevel <= 1) && (1 == systemActive)) && (pumpRunning == 1)) Ensures: (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (\old(pumpRunning) == 1)) && (((((systemActive == \old(systemActive)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 203]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) || (((waterLevel <= 1) && (1 == systemActive)) && (pumpRunning == 1))) Ensures: (((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) || (((waterLevel <= 1) && (1 == systemActive)) && (pumpRunning == 1))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 426]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((((1 == systemActive) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel <= 2))) Ensures: (((((1 == systemActive) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel <= 2))) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 438]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: ((((1 == systemActive) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive))) Ensures: (((((1 == systemActive) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 904]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 179]: Procedure Contract for timeShift Derived contract for procedure timeShift. Ensures: (((((((\old(pumpRunning) != 0) || ((waterLevel <= 1) && (\old(waterLevel) == waterLevel))) || ((\old(waterLevel) == waterLevel) && (pumpRunning == 1))) && (((((waterLevel <= 1) && (waterLevel <= \old(waterLevel))) && (pumpRunning == 1)) || (\old(pumpRunning) != 1)) || (((pumpRunning == 0) && (waterLevel <= 1)) && (waterLevel <= \old(waterLevel))))) && (((1 == systemActive) && (\old(pumpRunning) == 0)) || (((1 == systemActive) && (\old(pumpRunning) == 1)) && (\old(waterLevel) <= 2)))) && (((\old(pumpRunning) != 0) || (pumpRunning == 0)) || (\old(waterLevel) == 2))) && ((((systemActive == \old(systemActive)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 211]: Procedure Contract for processEnvironment__wrappee__highWaterSensor Derived contract for procedure processEnvironment__wrappee__highWaterSensor. Ensures: ((((((((waterLevel <= 1) && (1 == systemActive)) && (\old(pumpRunning) == 1)) || (((1 == systemActive) && (\old(pumpRunning) == 0)) && (waterLevel <= 2))) && (((\old(pumpRunning) != 0) || (1 < waterLevel)) || ((pumpRunning == 0) && (1 == systemActive)))) && ((\old(pumpRunning) != 1) || (pumpRunning == 1))) && ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) || (pumpRunning == 1))) && (((((systemActive == \old(systemActive)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 414]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((((1 == systemActive) && (waterLevel <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive))) Ensures: (((((waterLevel <= ((long long) \old(waterLevel) + 1)) && (waterLevel <= 2)) && (((waterLevel != 1) || (pumpRunning != 0)) || (\old(waterLevel) != 1))) && ((((1 == systemActive) && (\old(waterLevel) <= 2)) && (pumpRunning == 1)) || (((pumpRunning == 0) && (1 == systemActive)) && (\old(waterLevel) <= 1)))) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 237]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Ensures: (((((((waterLevel <= 1) && (1 == systemActive)) && (\old(pumpRunning) == 1)) || (((1 == systemActive) && (\old(pumpRunning) == 0)) && (waterLevel <= 2))) && (((\old(pumpRunning) != 0) || (1 < waterLevel)) || ((pumpRunning == 0) && (1 == systemActive)))) && ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) || (pumpRunning == 1))) && (((((systemActive == \old(systemActive)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-18 14:20:25,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE