./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:45:30,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:45:30,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:45:30,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:45:30,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:45:30,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:45:30,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:45:30,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:45:30,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:45:30,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:45:30,268 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:45:30,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:45:30,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:45:30,269 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:45:30,269 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:45:30,269 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:45:30,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:45:30,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:45:30,271 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:45:30,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:45:30,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:45:30,271 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:45:30,272 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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(F end) ) 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 -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2025-02-06 19:45:30,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:45:30,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:45:30,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:45:30,492 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:45:30,492 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:45:30,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2025-02-06 19:45:31,664 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c997ee95c/126a5da191a3468697be31447e7da334/FLAG6542408e5 [2025-02-06 19:45:32,011 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:45:32,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2025-02-06 19:45:32,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c997ee95c/126a5da191a3468697be31447e7da334/FLAG6542408e5 [2025-02-06 19:45:32,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c997ee95c/126a5da191a3468697be31447e7da334 [2025-02-06 19:45:32,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:45:32,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:45:32,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:32,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:45:32,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:45:32,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123e0aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32, skipping insertion in model container [2025-02-06 19:45:32,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:45:32,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:32,295 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:45:32,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] [2025-02-06 19:45:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] [2025-02-06 19:45:32,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] [2025-02-06 19:45:32,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:32,367 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:45:32,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32 WrapperNode [2025-02-06 19:45:32,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:32,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:32,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:45:32,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:45:32,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,416 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 102, statements flattened = 695 [2025-02-06 19:45:32,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:32,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:45:32,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:45:32,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:45:32,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,443 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]. [2025-02-06 19:45:32,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:45:32,453 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:45:32,453 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:45:32,453 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:45:32,454 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:45:32,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:45:32,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:45:32,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:45:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:45:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:45:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:45:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:45:32,557 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:45:32,558 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L270-1: main_#res#1 := main_~retValue_acc~4#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L305-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-02-06 19:45:33,032 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2025-02-06 19:45:33,032 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:45:33,045 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:45:33,045 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:45:33,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33 BoogieIcfgContainer [2025-02-06 19:45:33,046 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:45:33,047 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:45:33,047 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:45:33,050 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:45:33,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,051 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:45:32" (1/3) ... [2025-02-06 19:45:33,051 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21d09a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:33, skipping insertion in model container [2025-02-06 19:45:33,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32" (2/3) ... [2025-02-06 19:45:33,052 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21d09a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:33, skipping insertion in model container [2025-02-06 19:45:33,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33" (3/3) ... [2025-02-06 19:45:33,054 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2025-02-06 19:45:33,091 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:45:33,091 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:45:33,091 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:45:33,091 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:45:33,091 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:45:33,091 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:45:33,091 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:45:33,092 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:45:33,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 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) [2025-02-06 19:45:33,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2025-02-06 19:45:33,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,119 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:45:33,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 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) [2025-02-06 19:45:33,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2025-02-06 19:45:33,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,133 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:33,136 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:33,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash -857615846, now seen corresponding path program 1 times [2025-02-06 19:45:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488780134] [2025-02-06 19:45:33,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,230 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:33,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2142185011, now seen corresponding path program 1 times [2025-02-06 19:45:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171296608] [2025-02-06 19:45:33,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:45:33,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:45:33,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:33,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:33,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171296608] [2025-02-06 19:45:33,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171296608] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:33,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:45:33,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734898423] [2025-02-06 19:45:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:33,341 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:45:33,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:33,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:33,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:33,363 INFO L87 Difference]: Start difference. First operand has 196 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 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) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-06 19:45:33,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:33,432 INFO L93 Difference]: Finished difference Result 370 states and 492 transitions. [2025-02-06 19:45:33,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 370 states and 492 transitions. [2025-02-06 19:45:33,443 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 240 [2025-02-06 19:45:33,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 370 states to 350 states and 471 transitions. [2025-02-06 19:45:33,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2025-02-06 19:45:33,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 350 [2025-02-06 19:45:33,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 350 states and 471 transitions. [2025-02-06 19:45:33,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:33,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 350 states and 471 transitions. [2025-02-06 19:45:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states and 471 transitions. [2025-02-06 19:45:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 347. [2025-02-06 19:45:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 347 states have (on average 1.345821325648415) internal successors, (467), 346 states have internal predecessors, (467), 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) [2025-02-06 19:45:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 467 transitions. [2025-02-06 19:45:33,485 INFO L240 hiAutomatonCegarLoop]: Abstraction has 347 states and 467 transitions. [2025-02-06 19:45:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:33,488 INFO L432 stractBuchiCegarLoop]: Abstraction has 347 states and 467 transitions. [2025-02-06 19:45:33,488 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:45:33,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 347 states and 467 transitions. [2025-02-06 19:45:33,490 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 237 [2025-02-06 19:45:33,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,494 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:33,494 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet14#1;test_~tmp___1~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:33,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,495 INFO L85 PathProgramCache]: Analyzing trace with hash -857615846, now seen corresponding path program 2 times [2025-02-06 19:45:33,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511904624] [2025-02-06 19:45:33,495 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:45:33,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,503 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,515 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:45:33,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,516 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:33,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1683050252, now seen corresponding path program 1 times [2025-02-06 19:45:33,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693626354] [2025-02-06 19:45:33,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:45:33,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:45:33,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:33,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:33,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693626354] [2025-02-06 19:45:33,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693626354] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:33,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:33,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:45:33,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228566573] [2025-02-06 19:45:33,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:33,569 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:45:33,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:33,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:33,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:33,573 INFO L87 Difference]: Start difference. First operand 347 states and 467 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-02-06 19:45:33,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:33,663 INFO L93 Difference]: Finished difference Result 473 states and 616 transitions. [2025-02-06 19:45:33,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 473 states and 616 transitions. [2025-02-06 19:45:33,666 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2025-02-06 19:45:33,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 473 states to 473 states and 616 transitions. [2025-02-06 19:45:33,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 473 [2025-02-06 19:45:33,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 473 [2025-02-06 19:45:33,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 473 states and 616 transitions. [2025-02-06 19:45:33,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:33,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 473 states and 616 transitions. [2025-02-06 19:45:33,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states and 616 transitions. [2025-02-06 19:45:33,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2025-02-06 19:45:33,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 473 states have (on average 1.302325581395349) internal successors, (616), 472 states have internal predecessors, (616), 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) [2025-02-06 19:45:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 616 transitions. [2025-02-06 19:45:33,683 INFO L240 hiAutomatonCegarLoop]: Abstraction has 473 states and 616 transitions. [2025-02-06 19:45:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:33,683 INFO L432 stractBuchiCegarLoop]: Abstraction has 473 states and 616 transitions. [2025-02-06 19:45:33,684 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:45:33,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 473 states and 616 transitions. [2025-02-06 19:45:33,686 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2025-02-06 19:45:33,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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] [2025-02-06 19:45:33,687 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:33,687 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:33,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash -857615846, now seen corresponding path program 3 times [2025-02-06 19:45:33,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452430085] [2025-02-06 19:45:33,688 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:45:33,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,692 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,697 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:45:33,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,699 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:33,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,714 INFO L85 PathProgramCache]: Analyzing trace with hash -813152812, now seen corresponding path program 1 times [2025-02-06 19:45:33,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310163965] [2025-02-06 19:45:33,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:45:33,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:45:33,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:33,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:33,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310163965] [2025-02-06 19:45:33,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310163965] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:33,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:33,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:45:33,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103686517] [2025-02-06 19:45:33,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:33,782 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:45:33,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:33,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 19:45:33,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 19:45:33,782 INFO L87 Difference]: Start difference. First operand 473 states and 616 transitions. cyclomatic complexity: 146 Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-02-06 19:45:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:33,860 INFO L93 Difference]: Finished difference Result 497 states and 640 transitions. [2025-02-06 19:45:33,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 497 states and 640 transitions. [2025-02-06 19:45:33,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2025-02-06 19:45:33,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 497 states to 497 states and 640 transitions. [2025-02-06 19:45:33,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 497 [2025-02-06 19:45:33,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 497 [2025-02-06 19:45:33,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 497 states and 640 transitions. [2025-02-06 19:45:33,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:33,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:45:33,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states and 640 transitions. [2025-02-06 19:45:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2025-02-06 19:45:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 497 states have (on average 1.2877263581488934) internal successors, (640), 496 states have internal predecessors, (640), 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) [2025-02-06 19:45:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 640 transitions. [2025-02-06 19:45:33,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:45:33,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 19:45:33,888 INFO L432 stractBuchiCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:45:33,888 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:45:33,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 497 states and 640 transitions. [2025-02-06 19:45:33,890 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2025-02-06 19:45:33,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,891 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,891 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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] [2025-02-06 19:45:33,891 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:33,891 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash -857615846, now seen corresponding path program 4 times [2025-02-06 19:45:33,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798705175] [2025-02-06 19:45:33,892 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:45:33,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,896 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-02-06 19:45:33,899 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,899 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:45:33,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,899 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:33,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:33,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:33,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,904 INFO L85 PathProgramCache]: Analyzing trace with hash 197964438, now seen corresponding path program 1 times [2025-02-06 19:45:33,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684805765] [2025-02-06 19:45:33,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:45:33,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:45:33,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,909 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:45:33,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:45:33,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:33,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,915 INFO L85 PathProgramCache]: Analyzing trace with hash 918640861, now seen corresponding path program 1 times [2025-02-06 19:45:33,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475802083] [2025-02-06 19:45:33,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:33,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 19:45:33,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 19:45:33,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,923 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:33,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 19:45:33,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 19:45:33,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:33,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:33,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,831 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:45:34 BoogieIcfgContainer [2025-02-06 19:45:34,877 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:45:34,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:45:34,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:45:34,878 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:45:34,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33" (3/4) ... [2025-02-06 19:45:34,879 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:45:34,908 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:45:34,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:45:34,909 INFO L158 Benchmark]: Toolchain (without parser) took 2860.78ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 49.6MB in the end (delta: 60.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2025-02-06 19:45:34,909 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory was 126.0MB in the beginning and 125.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:34,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.38ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 91.0MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:45:34,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 87.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:34,909 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:34,910 INFO L158 Benchmark]: IcfgBuilder took 592.88ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 49.8MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:45:34,910 INFO L158 Benchmark]: BuchiAutomizer took 1830.47ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 53.1MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:34,910 INFO L158 Benchmark]: Witness Printer took 30.43ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 49.6MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:34,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory was 126.0MB in the beginning and 125.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.38ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 91.0MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 87.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 592.88ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 49.8MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1830.47ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 53.1MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 30.43ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 49.6MB in the end (delta: 3.5MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 273]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] - GenericResultAtLocation [Line: 987]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 497 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 417 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 417 mSDsluCounter, 1479 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 760 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 719 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 321]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L988] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L300] int retValue_acc ; [L303] retValue_acc = 1 [L304] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L241] CALL __utac_acc__Specification2_spec__1() [L993] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L241] RET __utac_acc__Specification2_spec__1() [L242] CALL test() [L312] int splverifierCounter ; [L313] int tmp ; [L314] int tmp___0 ; [L315] int tmp___1 ; [L316] int tmp___2 ; [L319] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L321] COND TRUE 1 [L323] COND TRUE splverifierCounter < 4 [L329] tmp = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp)) [L339] tmp___0 = __VERIFIER_nondet_int() [L341] COND FALSE !(\read(tmp___0)) [L349] tmp___2 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___2) [L353] CALL startSystem() [L983] systemActive = 1 [L353] RET startSystem() [L368] CALL timeShift() [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L766] CALL processEnvironment() [L812] int tmp ; [L815] COND FALSE !(\read(pumpRunning)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L786] int tmp ; [L789] COND TRUE ! pumpRunning [L791] CALL, EXPR isHighWaterLevel() [L927] int retValue_acc ; [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L933] RET, EXPR isHighWaterSensorDry() [L933] tmp = isHighWaterSensorDry() [L935] COND TRUE \read(tmp) [L936] tmp___0 = 0 [L940] retValue_acc = tmp___0 [L941] return (retValue_acc); [L791] RET, EXPR isHighWaterLevel() [L791] tmp = isHighWaterLevel() [L793] COND FALSE !(\read(tmp)) [L799] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L766] RET processEnvironment() [L772] CALL __utac_acc__Specification2_spec__2() [L998] int tmp ; [L999] int tmp___0 ; [L1003] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L1003] RET, EXPR isMethaneLevelCritical() [L1003] tmp = isMethaneLevelCritical() [L1005] COND FALSE !(\read(tmp)) [L1021] methAndRunningLastTime = 0 [L772] RET __utac_acc__Specification2_spec__2() [L368] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 321]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L988] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L300] int retValue_acc ; [L303] retValue_acc = 1 [L304] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L241] CALL __utac_acc__Specification2_spec__1() [L993] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L241] RET __utac_acc__Specification2_spec__1() [L242] CALL test() [L312] int splverifierCounter ; [L313] int tmp ; [L314] int tmp___0 ; [L315] int tmp___1 ; [L316] int tmp___2 ; [L319] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L321] COND TRUE 1 [L323] COND TRUE splverifierCounter < 4 [L329] tmp = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp)) [L339] tmp___0 = __VERIFIER_nondet_int() [L341] COND FALSE !(\read(tmp___0)) [L349] tmp___2 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___2) [L353] CALL startSystem() [L983] systemActive = 1 [L353] RET startSystem() [L368] CALL timeShift() [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L766] CALL processEnvironment() [L812] int tmp ; [L815] COND FALSE !(\read(pumpRunning)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L786] int tmp ; [L789] COND TRUE ! pumpRunning [L791] CALL, EXPR isHighWaterLevel() [L927] int retValue_acc ; [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L933] RET, EXPR isHighWaterSensorDry() [L933] tmp = isHighWaterSensorDry() [L935] COND TRUE \read(tmp) [L936] tmp___0 = 0 [L940] retValue_acc = tmp___0 [L941] return (retValue_acc); [L791] RET, EXPR isHighWaterLevel() [L791] tmp = isHighWaterLevel() [L793] COND FALSE !(\read(tmp)) [L799] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L766] RET processEnvironment() [L772] CALL __utac_acc__Specification2_spec__2() [L998] int tmp ; [L999] int tmp___0 ; [L1003] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L1003] RET, EXPR isMethaneLevelCritical() [L1003] tmp = isMethaneLevelCritical() [L1005] COND FALSE !(\read(tmp)) [L1021] methAndRunningLastTime = 0 [L772] RET __utac_acc__Specification2_spec__2() [L368] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:45:34,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)