./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product22.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_spec5_product22.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 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:28,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:28,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:28,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:28,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:28,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:28,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:28,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:28,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:28,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:28,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:28,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:28,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:28,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:28,606 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:28,608 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:28,609 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:28,609 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:28,609 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:28,609 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:28,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:28,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:28,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:28,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:28,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:28,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:28,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:28,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:28,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:28,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:28,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:28,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:28,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:28,612 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:28,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:28,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:28,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:28,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:28,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:28,614 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:28,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 [2024-11-17 08:48:28,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:28,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:28,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:28,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:28,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:28,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-11-17 08:48:30,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:30,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:30,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-11-17 08:48:30,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970a5e370/9bdfbaf323554fc3871cf785f3eb5fd6/FLAG4ebf6517b [2024-11-17 08:48:30,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970a5e370/9bdfbaf323554fc3871cf785f3eb5fd6 [2024-11-17 08:48:30,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:30,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:30,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:30,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:30,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:30,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:30" (1/1) ... [2024-11-17 08:48:30,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f7e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:30, skipping insertion in model container [2024-11-17 08:48:30,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:30" (1/1) ... [2024-11-17 08:48:30,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:31,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:31,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:31,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-17 08:48:31,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-11-17 08:48:31,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] [2024-11-17 08:48:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] [2024-11-17 08:48:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] [2024-11-17 08:48:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2024-11-17 08:48:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] [2024-11-17 08:48:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] [2024-11-17 08:48:31,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:31,156 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:31,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31 WrapperNode [2024-11-17 08:48:31,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:31,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:31,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:31,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:31,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,222 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 88, statements flattened = 548 [2024-11-17 08:48:31,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:31,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:31,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:31,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:31,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,252 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 08:48:31,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,260 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:31,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:31,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:31,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:31,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (1/1) ... [2024-11-17 08:48:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:31,323 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 08:48:31,329 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 08:48:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:31,501 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:31,517 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:32,076 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,077 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,077 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,077 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,077 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:32,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L917-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:32,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L917-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:32,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L917-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:32,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:32,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:48:32,113 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:32,114 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:32,135 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:32,138 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:32,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:32 BoogieIcfgContainer [2024-11-17 08:48:32,138 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:32,139 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:32,139 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:32,142 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:32,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:32,143 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:30" (1/3) ... [2024-11-17 08:48:32,144 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f1843c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:32, skipping insertion in model container [2024-11-17 08:48:32,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:32,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:31" (2/3) ... [2024-11-17 08:48:32,144 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f1843c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:32, skipping insertion in model container [2024-11-17 08:48:32,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:32,145 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:32" (3/3) ... [2024-11-17 08:48:32,146 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product22.cil.c [2024-11-17 08:48:32,196 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:32,197 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:32,197 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:32,197 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:32,197 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:32,197 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:32,197 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:32,197 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:32,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3333333333333333) internal successors, (220), 165 states have internal predecessors, (220), 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 08:48:32,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-17 08:48:32,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:32,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:32,240 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:32,240 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] [2024-11-17 08:48:32,240 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:32,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3333333333333333) internal successors, (220), 165 states have internal predecessors, (220), 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 08:48:32,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-17 08:48:32,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:32,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:32,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:32,257 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] [2024-11-17 08:48:32,262 INFO L745 eck$LassoCheckResult]: Stem: 151#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 40#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 69#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 156#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 35#L83true assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 24#L493true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 19#L469true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 46#L297true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 122#L353true [2024-11-17 08:48:32,264 INFO L747 eck$LassoCheckResult]: Loop: 122#L353true assume true; 155#L353-1true assume !false; 21#test_while_0_continue#1true assume true; 48#L355true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 167#L363true assume !(0 != test_~tmp~4#1); 75#L371true havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 149#L373true assume !(0 != test_~tmp___0~2#1); 84#L381true havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 61#L383true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 145#L285true assume true;assume { :end_inline_startSystem } true; 146#L398true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 12#L221-5true assume true;__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1; 27#L307-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 53#L110-2true assume !(0 != ~pumpRunning~0); 34#L117-2true assume !(0 != ~systemActive~0); 97#L125-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 6#L948-2true assume true;__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1; 152#L318-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 102#L336-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 73#L127-2true assume true;assume { :end_inline_timeShift } true; 122#L353true [2024-11-17 08:48:32,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,269 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 1 times [2024-11-17 08:48:32,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039135637] [2024-11-17 08:48:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:32,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 207145769, now seen corresponding path program 1 times [2024-11-17 08:48:32,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16058465] [2024-11-17 08:48:32,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:32,543 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 08:48:32,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:32,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16058465] [2024-11-17 08:48:32,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16058465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:32,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:32,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:32,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399111684] [2024-11-17 08:48:32,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:32,552 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:32,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:32,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:32,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:32,598 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.3333333333333333) internal successors, (220), 165 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 08:48:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:32,641 INFO L93 Difference]: Finished difference Result 160 states and 204 transitions. [2024-11-17 08:48:32,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 204 transitions. [2024-11-17 08:48:32,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-17 08:48:32,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 149 states and 192 transitions. [2024-11-17 08:48:32,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-17 08:48:32,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-17 08:48:32,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 192 transitions. [2024-11-17 08:48:32,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:32,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-17 08:48:32,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 192 transitions. [2024-11-17 08:48:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-17 08:48:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 148 states have internal predecessors, (192), 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 08:48:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 192 transitions. [2024-11-17 08:48:32,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-17 08:48:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:32,695 INFO L425 stractBuchiCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-17 08:48:32,695 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:32,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 192 transitions. [2024-11-17 08:48:32,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-17 08:48:32,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:32,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:32,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:32,701 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] [2024-11-17 08:48:32,702 INFO L745 eck$LassoCheckResult]: Stem: 483#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 398#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 399#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 437#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 394#L83 assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 375#L493 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 363#L469 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 364#L297 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 409#L353 [2024-11-17 08:48:32,702 INFO L747 eck$LassoCheckResult]: Loop: 409#L353 assume true; 474#L353-1 assume !false; 367#test_while_0_continue#1 assume true; 368#L355 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 411#L363 assume !(0 != test_~tmp~4#1); 360#L371 havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 443#L373 assume !(0 != test_~tmp___0~2#1); 447#L381 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 423#L383 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 424#L285 assume true;assume { :end_inline_startSystem } true; 464#L398 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 351#L221-5 assume true;__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1; 352#L307-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 378#L110-2 assume !(0 != ~pumpRunning~0); 393#L117-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 361#L168-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 362#L142-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 417#L134-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 430#L160-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 353#L186-2 assume true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 354#L125-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 341#L948-2 assume true;__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1; 342#L318-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 435#L336-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 441#L127-2 assume true;assume { :end_inline_timeShift } true; 409#L353 [2024-11-17 08:48:32,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,703 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 2 times [2024-11-17 08:48:32,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263203629] [2024-11-17 08:48:32,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:32,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,733 INFO L85 PathProgramCache]: Analyzing trace with hash 823430125, now seen corresponding path program 1 times [2024-11-17 08:48:32,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842456325] [2024-11-17 08:48:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:32,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1026474228, now seen corresponding path program 1 times [2024-11-17 08:48:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051125605] [2024-11-17 08:48:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:32,968 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 08:48:32,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:32,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051125605] [2024-11-17 08:48:32,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051125605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:32,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:32,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:48:32,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474044729] [2024-11-17 08:48:32,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:33,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:33,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:33,092 INFO L87 Difference]: Start difference. First operand 149 states and 192 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 08:48:33,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:33,252 INFO L93 Difference]: Finished difference Result 290 states and 373 transitions. [2024-11-17 08:48:33,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 373 transitions. [2024-11-17 08:48:33,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 200 [2024-11-17 08:48:33,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 290 states and 373 transitions. [2024-11-17 08:48:33,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 290 [2024-11-17 08:48:33,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 290 [2024-11-17 08:48:33,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 290 states and 373 transitions. [2024-11-17 08:48:33,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:33,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 290 states and 373 transitions. [2024-11-17 08:48:33,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states and 373 transitions. [2024-11-17 08:48:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2024-11-17 08:48:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 287 states have (on average 1.278745644599303) internal successors, (367), 286 states have internal predecessors, (367), 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 08:48:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 367 transitions. [2024-11-17 08:48:33,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 287 states and 367 transitions. [2024-11-17 08:48:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:33,310 INFO L425 stractBuchiCegarLoop]: Abstraction has 287 states and 367 transitions. [2024-11-17 08:48:33,310 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:33,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states and 367 transitions. [2024-11-17 08:48:33,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2024-11-17 08:48:33,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:33,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:33,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:33,313 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] [2024-11-17 08:48:33,314 INFO L745 eck$LassoCheckResult]: Stem: 955#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 851#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 852#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 897#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 847#L83 assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 828#L493 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 816#L469 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 817#L297 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 862#L353 [2024-11-17 08:48:33,315 INFO L747 eck$LassoCheckResult]: Loop: 862#L353 assume true; 940#L353-1 assume !false; 822#test_while_0_continue#1 assume true; 823#L355 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 865#L363 assume !(0 != test_~tmp~4#1); 813#L371 havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 899#L373 assume !(0 != test_~tmp___0~2#1); 906#L381 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 879#L383 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 880#L285 assume true;assume { :end_inline_startSystem } true; 927#L398 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 804#L221-5 assume true;__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1; 805#L307-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 831#L110-2 assume !(0 != ~pumpRunning~0); 846#L117-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 814#L168-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 815#L142-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 873#L134-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 886#L160-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 871#L186-2 assume true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 962#L125-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 961#L948-2 assume true;__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1; 956#L318-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 953#L221-4 assume true;__utac_acc__Specification5_spec__3_#t~ret19#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret19#1;havoc __utac_acc__Specification5_spec__3_#t~ret19#1; 911#L322-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 891#L336-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 898#L127-2 assume true;assume { :end_inline_timeShift } true; 862#L353 [2024-11-17 08:48:33,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:33,316 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 3 times [2024-11-17 08:48:33,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:33,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415747137] [2024-11-17 08:48:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:33,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:33,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:33,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1041759755, now seen corresponding path program 1 times [2024-11-17 08:48:33,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:33,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081982199] [2024-11-17 08:48:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:33,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:33,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1401352878, now seen corresponding path program 1 times [2024-11-17 08:48:33,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:33,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724905838] [2024-11-17 08:48:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:33,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:34,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:34,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:34 BoogieIcfgContainer [2024-11-17 08:48:34,348 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:34,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:34,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:34,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:34,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:32" (3/4) ... [2024-11-17 08:48:34,353 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:34,414 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:34,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:34,419 INFO L158 Benchmark]: Toolchain (without parser) took 3730.30ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 98.8MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:34,419 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:34,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.63ms. Allocated memory is still 176.2MB. Free memory was 96.3MB in the beginning and 75.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.70ms. Allocated memory is still 176.2MB. Free memory was 75.2MB in the beginning and 71.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,423 INFO L158 Benchmark]: Boogie Preprocessor took 48.60ms. Allocated memory is still 176.2MB. Free memory was 71.8MB in the beginning and 69.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,423 INFO L158 Benchmark]: IcfgBuilder took 865.80ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 120.3MB in the end (delta: -51.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,423 INFO L158 Benchmark]: BuchiAutomizer took 2208.55ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 101.9MB in the end (delta: 18.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,424 INFO L158 Benchmark]: Witness Printer took 70.04ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 98.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:34,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.63ms. Allocated memory is still 176.2MB. Free memory was 96.3MB in the beginning and 75.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.70ms. Allocated memory is still 176.2MB. Free memory was 75.2MB in the beginning and 71.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.60ms. Allocated memory is still 176.2MB. Free memory was 71.8MB in the beginning and 69.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 865.80ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 120.3MB in the end (delta: -51.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2208.55ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 101.9MB in the end (delta: 18.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Witness Printer took 70.04ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 98.8MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] - GenericResultAtLocation [Line: 339]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] - GenericResultAtLocation [Line: 961]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] * 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 5 locations. The remainder module has 287 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 1047 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 615 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 432 mSDtfsCounter, 99 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: 353]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L291] int switchedOnBeforeTS ; [L410] int cleanupTimeShifts = 4; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L484] int retValue_acc ; [L485] int tmp ; [L489] FCALL select_helpers() [L490] FCALL select_features() [L491] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L491] RET, EXPR valid_product() [L491] tmp = valid_product() [L493] COND TRUE \read(tmp) [L495] FCALL setup() [L496] CALL runTest() [L477] CALL __utac_acc__Specification5_spec__1() [L296] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L477] RET __utac_acc__Specification5_spec__1() [L478] CALL test() [L344] int splverifierCounter ; [L345] int tmp ; [L346] int tmp___0 ; [L347] int tmp___1 ; [L348] int tmp___2 ; [L351] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L353] COND TRUE 1 [L355] COND TRUE splverifierCounter < 4 [L361] tmp = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp)) [L371] tmp___0 = __VERIFIER_nondet_int() [L373] COND FALSE !(\read(tmp___0)) [L381] tmp___2 = __VERIFIER_nondet_int() [L383] COND TRUE \read(tmp___2) [L385] CALL startSystem() [L284] systemActive = 1 [L385] RET startSystem() [L398] CALL timeShift() [L108] CALL __utac_acc__Specification5_spec__2() [L305] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L305] RET, EXPR isPumpRunning() [L305] switchedOnBeforeTS = isPumpRunning() [L108] RET __utac_acc__Specification5_spec__2() [L110] COND FALSE !(\read(pumpRunning)) [L117] COND TRUE \read(systemActive) [L119] CALL processEnvironment() [L165] int tmp ; [L168] COND FALSE !(\read(pumpRunning)) [L183] CALL processEnvironment__wrappee__lowWaterSensor() [L139] int tmp ; [L142] COND FALSE !(\read(pumpRunning)) [L157] FCALL processEnvironment__wrappee__base() [L183] RET processEnvironment__wrappee__lowWaterSensor() [L119] RET processEnvironment() [L125] CALL __utac_acc__Specification5_spec__3() [L311] int tmp ; [L312] int tmp___0 ; [L316] CALL, EXPR getWaterLevel() [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] return (retValue_acc); [L316] RET, EXPR getWaterLevel() [L316] tmp = getWaterLevel() [L318] COND TRUE tmp != 2 [L320] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L320] RET, EXPR isPumpRunning() [L320] tmp___0 = isPumpRunning() [L322] COND FALSE !(\read(tmp___0)) [L125] RET __utac_acc__Specification5_spec__3() [L398] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 353]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L291] int switchedOnBeforeTS ; [L410] int cleanupTimeShifts = 4; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L484] int retValue_acc ; [L485] int tmp ; [L489] FCALL select_helpers() [L490] FCALL select_features() [L491] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L491] RET, EXPR valid_product() [L491] tmp = valid_product() [L493] COND TRUE \read(tmp) [L495] FCALL setup() [L496] CALL runTest() [L477] CALL __utac_acc__Specification5_spec__1() [L296] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L477] RET __utac_acc__Specification5_spec__1() [L478] CALL test() [L344] int splverifierCounter ; [L345] int tmp ; [L346] int tmp___0 ; [L347] int tmp___1 ; [L348] int tmp___2 ; [L351] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L353] COND TRUE 1 [L355] COND TRUE splverifierCounter < 4 [L361] tmp = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp)) [L371] tmp___0 = __VERIFIER_nondet_int() [L373] COND FALSE !(\read(tmp___0)) [L381] tmp___2 = __VERIFIER_nondet_int() [L383] COND TRUE \read(tmp___2) [L385] CALL startSystem() [L284] systemActive = 1 [L385] RET startSystem() [L398] CALL timeShift() [L108] CALL __utac_acc__Specification5_spec__2() [L305] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L305] RET, EXPR isPumpRunning() [L305] switchedOnBeforeTS = isPumpRunning() [L108] RET __utac_acc__Specification5_spec__2() [L110] COND FALSE !(\read(pumpRunning)) [L117] COND TRUE \read(systemActive) [L119] CALL processEnvironment() [L165] int tmp ; [L168] COND FALSE !(\read(pumpRunning)) [L183] CALL processEnvironment__wrappee__lowWaterSensor() [L139] int tmp ; [L142] COND FALSE !(\read(pumpRunning)) [L157] FCALL processEnvironment__wrappee__base() [L183] RET processEnvironment__wrappee__lowWaterSensor() [L119] RET processEnvironment() [L125] CALL __utac_acc__Specification5_spec__3() [L311] int tmp ; [L312] int tmp___0 ; [L316] CALL, EXPR getWaterLevel() [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] return (retValue_acc); [L316] RET, EXPR getWaterLevel() [L316] tmp = getWaterLevel() [L318] COND TRUE tmp != 2 [L320] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L320] RET, EXPR isPumpRunning() [L320] tmp___0 = isPumpRunning() [L322] COND FALSE !(\read(tmp___0)) [L125] RET __utac_acc__Specification5_spec__3() [L398] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:34,459 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)