./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 023d838f 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_spec2_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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:14:17,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:14:17,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:14:17,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:14:17,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:14:17,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:14:17,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:14:17,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:14:17,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:14:17,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:14:17,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:14:17,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:14:17,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:14:17,540 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:14:17,540 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:14:17,540 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:14:17,540 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:14:17,540 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:14:17,541 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:14:17,541 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:14:17,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:14:17,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:14:17,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:14:17,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:14:17,543 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:14:17,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:14:17,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:14:17,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:14:17,544 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:14:17,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2024-11-10 23:14:17,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:14:17,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:14:17,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:14:17,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:14:17,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:14:17,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2024-11-10 23:14:18,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:14:19,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:14:19,099 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2024-11-10 23:14:19,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20c16256/72f13398218e492699a69fddf554f474/FLAG68e3ddf25 [2024-11-10 23:14:19,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20c16256/72f13398218e492699a69fddf554f474 [2024-11-10 23:14:19,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:14:19,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:14:19,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:19,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:14:19,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:14:19,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f24f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19, skipping insertion in model container [2024-11-10 23:14:19,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:14:19,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:19,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:14:19,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-10 23:14:19,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] [2024-11-10 23:14:19,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2024-11-10 23:14:19,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] [2024-11-10 23:14:19,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] [2024-11-10 23:14:19,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] [2024-11-10 23:14:19,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] [2024-11-10 23:14:19,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] [2024-11-10 23:14:19,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:19,839 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:14:19,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19 WrapperNode [2024-11-10 23:14:19,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:19,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:19,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:14:19,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:14:19,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,894 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 102, statements flattened = 699 [2024-11-10 23:14:19,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:19,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:14:19,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:14:19,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:14:19,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,938 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]. [2024-11-10 23:14:19,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,946 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:14:19,958 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:14:19,958 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:14:19,958 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:14:19,958 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (1/1) ... [2024-11-10 23:14:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:14:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:14:19,985 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) [2024-11-10 23:14:19,987 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 [2024-11-10 23:14:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:14:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:14:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:14:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:14:20,152 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:14:20,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:14:20,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L878-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:20,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L270-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L305-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:14:20,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:20,618 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-10 23:14:20,618 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:14:20,630 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:14:20,631 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:14:20,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:20 BoogieIcfgContainer [2024-11-10 23:14:20,631 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:14:20,632 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:14:20,633 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:14:20,636 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:14:20,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:20,636 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:14:19" (1/3) ... [2024-11-10 23:14:20,637 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f30d3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:20, skipping insertion in model container [2024-11-10 23:14:20,637 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:20,637 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:19" (2/3) ... [2024-11-10 23:14:20,638 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f30d3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:20, skipping insertion in model container [2024-11-10 23:14:20,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:20,638 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:20" (3/3) ... [2024-11-10 23:14:20,639 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2024-11-10 23:14:20,684 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:14:20,685 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:14:20,685 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:14:20,685 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:14:20,685 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:14:20,685 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:14:20,685 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:14:20,685 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:14:20,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 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) [2024-11-10 23:14:20,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2024-11-10 23:14:20,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:20,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:20,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:20,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:20,717 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:14:20,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 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) [2024-11-10 23:14:20,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2024-11-10 23:14:20,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:20,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:20,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:20,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:20,730 INFO L745 eck$LassoCheckResult]: Stem: 188#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);~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; 19#ULTIMATE.init_returnLabel#1true assume true;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; 37#L296true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112#L289true assume 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; 169#L304true assume true;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; 137#L260true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 54#L231true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 185#L994true assume true;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; 136#L321true [2024-11-10 23:14:20,731 INFO L747 eck$LassoCheckResult]: Loop: 136#L321true assume true; 163#L321-1true assume !false;assume true; 3#L323true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 97#L331true assume !(0 != test_~tmp~1#1); 84#L339true havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 65#L341true assume !(0 != test_~tmp___0~0#1); 60#L349true havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 48#L351true 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; 165#L359true assume !(0 != test_~tmp___1~0#1); 176#L368true assume { :begin_inline_timeShift } true; 127#L757-2true assume !(0 != ~pumpRunning~0); 68#L764-2true assume !(0 != ~systemActive~0); 155#L772-2true 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; 199#L101-6true assume true;__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; 111#L1005-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 115#L1023-2true assume 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;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 130#L774-2true assume true;assume { :end_inline_timeShift } true; 136#L321true [2024-11-10 23:14:20,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:20,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1053272550, now seen corresponding path program 1 times [2024-11-10 23:14:20,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:20,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569704302] [2024-11-10 23:14:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:20,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:20,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:20,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:20,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash 335404928, now seen corresponding path program 1 times [2024-11-10 23:14:20,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:20,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949300988] [2024-11-10 23:14:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:20,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:20,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:20,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 503012999, now seen corresponding path program 1 times [2024-11-10 23:14:20,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:20,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680204226] [2024-11-10 23:14:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:14:21,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:21,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680204226] [2024-11-10 23:14:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680204226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:21,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:21,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:14:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142560623] [2024-11-10 23:14:21,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:21,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:14:21,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:14:21,158 INFO L87 Difference]: Start difference. First operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 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) [2024-11-10 23:14:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:21,272 INFO L93 Difference]: Finished difference Result 442 states and 583 transitions. [2024-11-10 23:14:21,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 583 transitions. [2024-11-10 23:14:21,279 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 286 [2024-11-10 23:14:21,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 409 states and 550 transitions. [2024-11-10 23:14:21,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 409 [2024-11-10 23:14:21,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 409 [2024-11-10 23:14:21,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 409 states and 550 transitions. [2024-11-10 23:14:21,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:21,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 409 states and 550 transitions. [2024-11-10 23:14:21,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states and 550 transitions. [2024-11-10 23:14:21,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 235. [2024-11-10 23:14:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 235 states have (on average 1.3446808510638297) internal successors, (316), 234 states have internal predecessors, (316), 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) [2024-11-10 23:14:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 316 transitions. [2024-11-10 23:14:21,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 235 states and 316 transitions. [2024-11-10 23:14:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:14:21,324 INFO L425 stractBuchiCegarLoop]: Abstraction has 235 states and 316 transitions. [2024-11-10 23:14:21,325 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:14:21,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 235 states and 316 transitions. [2024-11-10 23:14:21,329 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-10 23:14:21,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:21,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:21,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:21,332 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] [2024-11-10 23:14:21,333 INFO L745 eck$LassoCheckResult]: Stem: 834#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);~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; 711#ULTIMATE.init_returnLabel#1 assume true;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; 712#L296 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 726#L289 assume 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; 727#L304 assume true;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; 791#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 792#L231 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 811#L994 assume true;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; 783#L321 [2024-11-10 23:14:21,333 INFO L747 eck$LassoCheckResult]: Loop: 783#L321 assume true; 789#L321-1 assume !false;assume true; 660#L323 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 662#L331 assume !(0 != test_~tmp~1#1); 683#L339 havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 820#L341 assume !(0 != test_~tmp___0~0#1); 729#L349 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 795#L351 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 720#L984 assume true;assume { :end_inline_startSystem } true; 721#L368 assume { :begin_inline_timeShift } true; 776#L757-2 assume !(0 != ~pumpRunning~0); 778#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 822#L815-2 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; 830#L789-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 786#L781-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 748#L807-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 733#L833-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 784#L772-2 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; 814#L101-6 assume true;__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; 724#L1005-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 725#L1023-2 assume 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;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 738#L774-2 assume true;assume { :end_inline_timeShift } true; 783#L321 [2024-11-10 23:14:21,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:21,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1053272550, now seen corresponding path program 2 times [2024-11-10 23:14:21,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306328721] [2024-11-10 23:14:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:21,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:21,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1618575231, now seen corresponding path program 1 times [2024-11-10 23:14:21,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:21,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616111701] [2024-11-10 23:14:21,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:21,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:14:21,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:21,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616111701] [2024-11-10 23:14:21,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616111701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:21,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:21,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:14:21,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563906523] [2024-11-10 23:14:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:21,389 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:14:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:21,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:14:21,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:14:21,390 INFO L87 Difference]: Start difference. First operand 235 states and 316 transitions. cyclomatic complexity: 84 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-10 23:14:21,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:21,526 INFO L93 Difference]: Finished difference Result 294 states and 379 transitions. [2024-11-10 23:14:21,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 379 transitions. [2024-11-10 23:14:21,528 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2024-11-10 23:14:21,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 379 transitions. [2024-11-10 23:14:21,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2024-11-10 23:14:21,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2024-11-10 23:14:21,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 379 transitions. [2024-11-10 23:14:21,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:21,534 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 379 transitions. [2024-11-10 23:14:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 379 transitions. [2024-11-10 23:14:21,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-10 23:14:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.2891156462585034) internal successors, (379), 293 states have internal predecessors, (379), 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) [2024-11-10 23:14:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 379 transitions. [2024-11-10 23:14:21,550 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 379 transitions. [2024-11-10 23:14:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:14:21,551 INFO L425 stractBuchiCegarLoop]: Abstraction has 294 states and 379 transitions. [2024-11-10 23:14:21,552 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:14:21,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 379 transitions. [2024-11-10 23:14:21,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2024-11-10 23:14:21,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:21,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:21,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:21,555 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] [2024-11-10 23:14:21,555 INFO L745 eck$LassoCheckResult]: Stem: 1376#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);~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; 1248#ULTIMATE.init_returnLabel#1 assume true;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; 1249#L296 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1262#L289 assume 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; 1263#L304 assume true;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; 1326#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1327#L231 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1349#L994 assume true;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; 1316#L321 [2024-11-10 23:14:21,555 INFO L747 eck$LassoCheckResult]: Loop: 1316#L321 assume true; 1324#L321-1 assume !false;assume true; 1195#L323 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1197#L331 assume !(0 != test_~tmp~1#1); 1218#L339 havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1359#L341 assume !(0 != test_~tmp___0~0#1); 1265#L349 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1331#L351 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; 1332#L359 assume !(0 != test_~tmp___1~0#1); 1257#L368 assume { :begin_inline_timeShift } true; 1314#L757-2 assume !(0 != ~pumpRunning~0); 1315#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1361#L815-2 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; 1373#L789-5 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; 1377#L141-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1374#L146-5 assume true;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; 1354#L935-5 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1329#L940-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1215#L941-5 assume true;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; 1216#L793-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1370#L781-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1289#L807-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1269#L833-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1320#L772-2 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; 1352#L101-6 assume true;__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; 1260#L1005-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 1261#L1023-2 assume 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;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1270#L774-2 assume true;assume { :end_inline_timeShift } true; 1316#L321 [2024-11-10 23:14:21,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:21,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1053272550, now seen corresponding path program 3 times [2024-11-10 23:14:21,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:21,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512823910] [2024-11-10 23:14:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:21,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:21,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:21,581 INFO L85 PathProgramCache]: Analyzing trace with hash 593935495, now seen corresponding path program 1 times [2024-11-10 23:14:21,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:21,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424084399] [2024-11-10 23:14:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:21,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1076847392, now seen corresponding path program 1 times [2024-11-10 23:14:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610447989] [2024-11-10 23:14:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:21,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:21,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:14:22 BoogieIcfgContainer [2024-11-10 23:14:22,349 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:14:22,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:14:22,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:14:22,350 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:14:22,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:20" (3/4) ... [2024-11-10 23:14:22,351 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:14:22,397 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:14:22,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:14:22,398 INFO L158 Benchmark]: Toolchain (without parser) took 2923.59ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 136.1MB in the beginning and 144.7MB in the end (delta: -8.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,398 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:22,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.96ms. Allocated memory is still 188.7MB. Free memory was 136.1MB in the beginning and 114.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 188.7MB. Free memory was 114.5MB in the beginning and 110.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,400 INFO L158 Benchmark]: Boogie Preprocessor took 61.65ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 107.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,401 INFO L158 Benchmark]: IcfgBuilder took 673.59ms. Allocated memory is still 188.7MB. Free memory was 107.5MB in the beginning and 122.4MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,402 INFO L158 Benchmark]: BuchiAutomizer took 1716.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 122.4MB in the beginning and 147.8MB in the end (delta: -25.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,402 INFO L158 Benchmark]: Witness Printer took 48.10ms. Allocated memory is still 226.5MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:14:22,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.96ms. Allocated memory is still 188.7MB. Free memory was 136.1MB in the beginning and 114.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 188.7MB. Free memory was 114.5MB in the beginning and 110.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.65ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 107.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 673.59ms. Allocated memory is still 188.7MB. Free memory was 107.5MB in the beginning and 122.4MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1716.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 122.4MB in the beginning and 147.8MB in the end (delta: -25.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 48.10ms. Allocated memory is still 226.5MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). 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,"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 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 294 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. 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, 174 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, 878 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 878 mSDsluCounter, 1419 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 932 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 487 mSDtfsCounter, 69 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: 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 FALSE !(\read(tmp___2)) [L357] tmp___1 = __VERIFIER_nondet_int() [L359] COND FALSE !(\read(tmp___1)) [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 FALSE !(\read(tmp___2)) [L357] tmp___1 = __VERIFIER_nondet_int() [L359] COND FALSE !(\read(tmp___1)) [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! [2024-11-10 23:14:22,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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)