./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:01,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:01,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:01,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:01,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:01,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:01,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:01,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:01,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:01,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:01,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:01,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:01,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:01,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:01,684 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:01,684 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:01,684 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:01,684 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:01,685 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:01,685 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:01,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:01,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:01,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:01,687 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:01,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:01,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:01,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:01,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:01,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:01,689 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:01,689 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 [2024-11-17 08:46:01,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:01,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:01,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:01,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:01,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:01,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2024-11-17 08:46:03,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:03,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:03,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2024-11-17 08:46:03,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fc186b/c1a4d3c95bc9498c8898c27337eb94cc/FLAG488205f7f [2024-11-17 08:46:03,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fc186b/c1a4d3c95bc9498c8898c27337eb94cc [2024-11-17 08:46:03,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:03,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:03,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:03,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:03,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:03,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5eba6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03, skipping insertion in model container [2024-11-17 08:46:03,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:03,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:03,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:03,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736] [2024-11-17 08:46:03,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976] [2024-11-17 08:46:03,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:03,740 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:03,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03 WrapperNode [2024-11-17 08:46:03,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:03,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:03,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:03,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:03,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,797 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 683 [2024-11-17 08:46:03,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:03,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:03,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:03,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:03,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,837 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:46:03,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:03,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:03,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:03,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:03,862 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (1/1) ... [2024-11-17 08:46:03,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:03,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:03,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:46:03,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:46:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:03,993 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:03,995 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L250-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,375 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,376 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:04,377 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-17 08:46:04,378 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:46:04,407 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:04,407 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:04,422 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:04,424 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:04,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:04 BoogieIcfgContainer [2024-11-17 08:46:04,425 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:04,426 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:04,426 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:04,428 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:04,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:04,429 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:03" (1/3) ... [2024-11-17 08:46:04,429 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b976f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:04, skipping insertion in model container [2024-11-17 08:46:04,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:04,430 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:03" (2/3) ... [2024-11-17 08:46:04,430 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b976f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:04, skipping insertion in model container [2024-11-17 08:46:04,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:04,430 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:04" (3/3) ... [2024-11-17 08:46:04,431 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2024-11-17 08:46:04,477 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:04,477 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:04,477 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:04,477 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:04,478 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:04,478 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:04,478 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:04,478 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:04,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:04,501 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2024-11-17 08:46:04,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:04,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:04,508 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:04,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:04,509 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:04,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 196 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:04,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2024-11-17 08:46:04,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:04,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:04,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:04,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:04,520 INFO L745 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRYtrue 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 23#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 184#L999true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 137#L992true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 54#L1007true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 39#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 181#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 73#L678true [2024-11-17 08:46:04,521 INFO L747 eck$LassoCheckResult]: Loop: 73#L678true assume true; 139#L678-1true assume !false; 189#test_while_4_continue#1true assume true; 190#L680true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 70#L688true assume !(0 != test_~tmp~5#1); 120#L696true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 169#L698true assume !(0 != test_~tmp___0~1#1); 179#L706true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 13#L708true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 34#L716true assume !(0 != test_~tmp___1~0#1); 8#L725true assume { :begin_inline_timeShift } true; 163#L746-2true assume !(0 != ~pumpRunning~0); 56#L753-2true assume !(0 != ~systemActive~0); 76#L761-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 41#L203-6true assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 176#L273-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 168#L287-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 150#L763-2true assume true;assume { :end_inline_timeShift } true; 73#L678true [2024-11-17 08:46:04,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 1 times [2024-11-17 08:46:04,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:04,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081011050] [2024-11-17 08:46:04,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:04,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:04,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:04,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:04,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash -409484563, now seen corresponding path program 1 times [2024-11-17 08:46:04,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:04,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736102639] [2024-11-17 08:46:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:04,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:04,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:04,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:04,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:04,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1927375583, now seen corresponding path program 1 times [2024-11-17 08:46:04,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:04,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332676476] [2024-11-17 08:46:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:04,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:04,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332676476] [2024-11-17 08:46:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332676476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:04,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:04,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:46:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260081545] [2024-11-17 08:46:04,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:04,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:04,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:46:04,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:46:05,000 INFO L87 Difference]: Start difference. First operand has 196 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 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 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:05,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:05,110 INFO L93 Difference]: Finished difference Result 438 states and 570 transitions. [2024-11-17 08:46:05,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 438 states and 570 transitions. [2024-11-17 08:46:05,126 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 286 [2024-11-17 08:46:05,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 438 states to 405 states and 537 transitions. [2024-11-17 08:46:05,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 405 [2024-11-17 08:46:05,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 405 [2024-11-17 08:46:05,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 405 states and 537 transitions. [2024-11-17 08:46:05,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:05,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 405 states and 537 transitions. [2024-11-17 08:46:05,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states and 537 transitions. [2024-11-17 08:46:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 232. [2024-11-17 08:46:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.3232758620689655) internal successors, (307), 231 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 307 transitions. [2024-11-17 08:46:05,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 307 transitions. [2024-11-17 08:46:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 08:46:05,183 INFO L425 stractBuchiCegarLoop]: Abstraction has 232 states and 307 transitions. [2024-11-17 08:46:05,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:05,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 307 transitions. [2024-11-17 08:46:05,185 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-17 08:46:05,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:05,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:05,186 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:05,186 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] [2024-11-17 08:46:05,186 INFO L745 eck$LassoCheckResult]: Stem: 828#ULTIMATE.startENTRY 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 709#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 710#L999 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 770#L992 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 771#L1007 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 746#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 747#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 792#L678 [2024-11-17 08:46:05,186 INFO L747 eck$LassoCheckResult]: Loop: 792#L678 assume true; 774#L678-1 assume !false; 775#test_while_4_continue#1 assume true; 830#L680 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 816#L688 assume !(0 != test_~tmp~5#1); 714#L696 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 733#L698 assume !(0 != test_~tmp___0~1#1); 813#L706 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 673#L708 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 674#L716 assume !(0 != test_~tmp___1~0#1); 664#L725 assume { :begin_inline_timeShift } true; 665#L746-2 assume !(0 != ~pumpRunning~0); 801#L753-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 755#L804-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 756#L778-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 745#L770-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 696#L796-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 695#L822-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 754#L761-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 750#L203-6 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 751#L273-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 812#L287-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 791#L763-2 assume true;assume { :end_inline_timeShift } true; 792#L678 [2024-11-17 08:46:05,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 2 times [2024-11-17 08:46:05,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:05,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847431934] [2024-11-17 08:46:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:05,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1005358390, now seen corresponding path program 1 times [2024-11-17 08:46:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:05,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158325649] [2024-11-17 08:46:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:05,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:05,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158325649] [2024-11-17 08:46:05,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158325649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:05,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:05,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:05,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367879894] [2024-11-17 08:46:05,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:05,222 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:05,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:05,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:05,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:05,223 INFO L87 Difference]: Start difference. First operand 232 states and 307 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:05,286 INFO L93 Difference]: Finished difference Result 290 states and 366 transitions. [2024-11-17 08:46:05,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 366 transitions. [2024-11-17 08:46:05,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2024-11-17 08:46:05,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 290 states and 366 transitions. [2024-11-17 08:46:05,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 290 [2024-11-17 08:46:05,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 290 [2024-11-17 08:46:05,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 290 states and 366 transitions. [2024-11-17 08:46:05,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:05,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 290 states and 366 transitions. [2024-11-17 08:46:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states and 366 transitions. [2024-11-17 08:46:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-17 08:46:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 290 states have (on average 1.2620689655172415) internal successors, (366), 289 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 366 transitions. [2024-11-17 08:46:05,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 290 states and 366 transitions. [2024-11-17 08:46:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:05,301 INFO L425 stractBuchiCegarLoop]: Abstraction has 290 states and 366 transitions. [2024-11-17 08:46:05,301 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:05,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 366 transitions. [2024-11-17 08:46:05,302 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2024-11-17 08:46:05,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:05,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:05,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:05,303 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, 1, 1] [2024-11-17 08:46:05,303 INFO L745 eck$LassoCheckResult]: Stem: 1368#ULTIMATE.startENTRY 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1238#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1239#L999 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1298#L992 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1299#L1007 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1274#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1275#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1363#L678 [2024-11-17 08:46:05,303 INFO L747 eck$LassoCheckResult]: Loop: 1363#L678 assume true; 1436#L678-1 assume !false; 1435#test_while_4_continue#1 assume true; 1373#L680 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1374#L688 assume !(0 != test_~tmp~5#1); 1450#L696 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1448#L698 assume !(0 != test_~tmp___0~1#1); 1446#L706 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1445#L708 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1200#L973 assume true;assume { :end_inline_startSystem } true; 1297#L725 assume { :begin_inline_timeShift } true; 1443#L746-2 assume !(0 != ~pumpRunning~0); 1334#L753-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1283#L804-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1284#L778-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1245#L243-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1246#L248-5 assume true;isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1184#L924-5 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1185#L929-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1256#L930-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret39#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret39#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1; 1257#L782-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1269#L770-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1221#L796-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1220#L822-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1282#L761-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1442#L203-6 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 1440#L273-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 1438#L287-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1437#L763-2 assume true;assume { :end_inline_timeShift } true; 1363#L678 [2024-11-17 08:46:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 3 times [2024-11-17 08:46:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933941194] [2024-11-17 08:46:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:05,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:05,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:05,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1875933516, now seen corresponding path program 1 times [2024-11-17 08:46:05,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:05,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604466733] [2024-11-17 08:46:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1532556288, now seen corresponding path program 1 times [2024-11-17 08:46:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285038830] [2024-11-17 08:46:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:05,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:06,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:06,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:06 BoogieIcfgContainer [2024-11-17 08:46:06,056 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:06,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:06,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:06,057 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:06,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:04" (3/4) ... [2024-11-17 08:46:06,058 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:06,104 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:06,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:06,105 INFO L158 Benchmark]: Toolchain (without parser) took 2776.78ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.1MB in the beginning and 94.1MB in the end (delta: -11.0MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,105 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:06,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.14ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.0MB in the beginning and 167.3MB in the end (delta: -84.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.20ms. Allocated memory is still 203.4MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,109 INFO L158 Benchmark]: Boogie Preprocessor took 60.36ms. Allocated memory is still 203.4MB. Free memory was 164.2MB in the beginning and 161.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,110 INFO L158 Benchmark]: IcfgBuilder took 563.73ms. Allocated memory is still 203.4MB. Free memory was 161.0MB in the beginning and 124.3MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,110 INFO L158 Benchmark]: BuchiAutomizer took 1630.65ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 98.3MB in the end (delta: 26.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,110 INFO L158 Benchmark]: Witness Printer took 48.13ms. Allocated memory is still 203.4MB. Free memory was 98.3MB in the beginning and 94.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:06,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.14ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 83.0MB in the beginning and 167.3MB in the end (delta: -84.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.20ms. Allocated memory is still 203.4MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.36ms. Allocated memory is still 203.4MB. Free memory was 164.2MB in the beginning and 161.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 563.73ms. Allocated memory is still 203.4MB. Free memory was 161.0MB in the beginning and 124.3MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1630.65ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 98.3MB in the end (delta: 26.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 48.13ms. Allocated memory is still 203.4MB. Free memory was 98.3MB in the beginning and 94.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290] - GenericResultAtLocation [Line: 656]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665] - GenericResultAtLocation [Line: 736]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736] - GenericResultAtLocation [Line: 976]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 290 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 173 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, 632 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 1461 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 986 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 475 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L710] CALL startSystem() [L972] systemActive = 1 [L710] RET startSystem() [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L710] CALL startSystem() [L972] systemActive = 1 [L710] RET startSystem() [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:06,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)