./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_spec1_product29.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 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:11,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:11,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:11,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:11,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:11,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:12,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:12,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:12,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:12,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:12,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:12,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:12,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:12,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:12,022 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:12,022 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:12,022 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:12,022 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:12,023 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:12,023 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:12,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:12,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:12,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:12,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:12,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:12,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:12,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:12,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:12,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:12,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:12,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:12,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:12,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:12,031 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:12,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:12,032 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:12,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:12,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:12,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:12,033 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:12,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2024-11-10 23:13:12,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:12,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:12,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:12,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:12,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:12,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2024-11-10 23:13:13,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:13,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:13,991 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2024-11-10 23:13:14,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ad93529/9e1ca56583f94a959fd10e03024cb352/FLAG08e0cd41c [2024-11-10 23:13:14,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ad93529/9e1ca56583f94a959fd10e03024cb352 [2024-11-10 23:13:14,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:14,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:14,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:14,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:14,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:14,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cd3baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14, skipping insertion in model container [2024-11-10 23:13:14,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:14,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:14,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:14,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-10 23:13:14,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] [2024-11-10 23:13:14,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] [2024-11-10 23:13:14,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] [2024-11-10 23:13:14,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] [2024-11-10 23:13:14,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2024-11-10 23:13:14,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2024-11-10 23:13:14,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] [2024-11-10 23:13:14,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:14,564 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:14,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14 WrapperNode [2024-11-10 23:13:14,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:14,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:14,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:14,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:14,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,629 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 505 [2024-11-10 23:13:14,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:14,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:14,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:14,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:14,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,658 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 23:13:14,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:14,683 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:14,684 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:14,684 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:14,684 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (1/1) ... [2024-11-10 23:13:14,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:14,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:14,722 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 23:13:14,724 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 23:13:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:14,837 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:14,838 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:15,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L418-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L187-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L187-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L187-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:13:15,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:15,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:15,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:13:15,241 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:15,241 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:15,261 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:15,262 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:15,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:15 BoogieIcfgContainer [2024-11-10 23:13:15,263 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:15,264 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:15,264 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:15,268 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:15,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:15,268 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:14" (1/3) ... [2024-11-10 23:13:15,269 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f8643d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:15, skipping insertion in model container [2024-11-10 23:13:15,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:15,270 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:14" (2/3) ... [2024-11-10 23:13:15,270 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f8643d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:15, skipping insertion in model container [2024-11-10 23:13:15,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:15,271 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:15" (3/3) ... [2024-11-10 23:13:15,272 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2024-11-10 23:13:15,320 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:15,320 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:15,320 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:15,321 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:15,321 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:15,321 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:15,321 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:15,321 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:15,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 23:13:15,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-10 23:13:15,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:15,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:15,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:15,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:15,354 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:15,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 23:13:15,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-10 23:13:15,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:15,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:15,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:15,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:15,376 INFO L745 eck$LassoCheckResult]: Stem: 137#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 30#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 112#L444true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6#L437true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 83#L452true assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 121#L408true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 132#L382true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L268true [2024-11-10 23:13:15,379 INFO L747 eck$LassoCheckResult]: Loop: 22#L268true assume true; 69#L268-1true assume !false;assume true; 12#L270true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 153#L278true assume !(0 != test_~tmp~4#1); 94#L286true havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 31#L288true assume !(0 != test_~tmp___0~1#1); 59#L296true havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 33#L298true assume 0 != test_~tmp___2~0#1; 53#L311true assume { :begin_inline_timeShift } true; 19#L67-2true assume !(0 != ~pumpRunning~0); 124#L74-2true assume !(0 != ~systemActive~0); 147#L82-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 92#L894-4true assume true;__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 93#L466-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 55#L480-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 29#L84-2true assume true;assume { :end_inline_timeShift } true; 22#L268true [2024-11-10 23:13:15,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash -11733365, now seen corresponding path program 1 times [2024-11-10 23:13:15,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:15,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221435458] [2024-11-10 23:13:15,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:15,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:15,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:15,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:15,545 INFO L85 PathProgramCache]: Analyzing trace with hash -757750187, now seen corresponding path program 1 times [2024-11-10 23:13:15,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:15,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447031394] [2024-11-10 23:13:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:15,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:15,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:15,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:15,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:15,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1896368351, now seen corresponding path program 1 times [2024-11-10 23:13:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:15,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667132262] [2024-11-10 23:13:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:15,833 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 23:13:15,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:15,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667132262] [2024-11-10 23:13:15,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667132262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:15,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:15,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:15,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389225187] [2024-11-10 23:13:15,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:15,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:15,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:15,966 INFO L87 Difference]: Start difference. First operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:16,060 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2024-11-10 23:13:16,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2024-11-10 23:13:16,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2024-11-10 23:13:16,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 136 states and 176 transitions. [2024-11-10 23:13:16,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2024-11-10 23:13:16,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2024-11-10 23:13:16,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 176 transitions. [2024-11-10 23:13:16,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:16,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-10 23:13:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 176 transitions. [2024-11-10 23:13:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-10 23:13:16,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2941176470588236) internal successors, (176), 135 states have internal predecessors, (176), 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 23:13:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 176 transitions. [2024-11-10 23:13:16,113 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-10 23:13:16,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:16,118 INFO L425 stractBuchiCegarLoop]: Abstraction has 136 states and 176 transitions. [2024-11-10 23:13:16,119 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:16,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 176 transitions. [2024-11-10 23:13:16,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2024-11-10 23:13:16,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:16,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:16,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:16,127 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] [2024-11-10 23:13:16,128 INFO L745 eck$LassoCheckResult]: Stem: 451#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 365#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 366#L444 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 324#L437 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 325#L452 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 426#L408 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 449#L382 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 351#L268 [2024-11-10 23:13:16,128 INFO L747 eck$LassoCheckResult]: Loop: 351#L268 assume true; 352#L268-1 assume !false;assume true; 335#L270 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 336#L278 assume !(0 != test_~tmp~4#1); 430#L286 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 367#L288 assume !(0 != test_~tmp___0~1#1); 369#L296 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 370#L298 assume 0 != test_~tmp___2~0#1; 372#L311 assume { :begin_inline_timeShift } true; 347#L67-2 assume !(0 != ~pumpRunning~0); 349#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 427#L125-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 428#L99-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 440#L91-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 392#L117-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 340#L143-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 341#L82-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 433#L894-4 assume true;__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1; 432#L466-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 379#L480-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 362#L84-2 assume true;assume { :end_inline_timeShift } true; 351#L268 [2024-11-10 23:13:16,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:16,128 INFO L85 PathProgramCache]: Analyzing trace with hash -11733365, now seen corresponding path program 2 times [2024-11-10 23:13:16,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:16,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115369356] [2024-11-10 23:13:16,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:16,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:16,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1437591312, now seen corresponding path program 1 times [2024-11-10 23:13:16,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:16,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241579483] [2024-11-10 23:13:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:16,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2012183718, now seen corresponding path program 1 times [2024-11-10 23:13:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:16,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554917913] [2024-11-10 23:13:16,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:16,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:17,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:17,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:17 BoogieIcfgContainer [2024-11-10 23:13:17,162 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:17,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:17,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:17,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:17,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:15" (3/4) ... [2024-11-10 23:13:17,166 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:17,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:17,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:17,219 INFO L158 Benchmark]: Toolchain (without parser) took 3192.96ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 98.5MB in the beginning and 166.9MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:17,219 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:17,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.66ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 132.7MB in the end (delta: -34.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:17,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.52ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 129.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:17,220 INFO L158 Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:17,220 INFO L158 Benchmark]: IcfgBuilder took 579.58ms. Allocated memory is still 167.8MB. Free memory was 127.0MB in the beginning and 97.8MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:17,221 INFO L158 Benchmark]: BuchiAutomizer took 1898.48ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 97.8MB in the beginning and 169.0MB in the end (delta: -71.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:17,224 INFO L158 Benchmark]: Witness Printer took 55.61ms. Allocated memory is still 228.6MB. Free memory was 169.0MB in the beginning and 166.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:17,226 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 167.8MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.66ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 132.7MB in the end (delta: -34.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.52ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 129.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.71ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 579.58ms. Allocated memory is still 167.8MB. Free memory was 127.0MB in the beginning and 97.8MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1898.48ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 97.8MB in the beginning and 169.0MB in the end (delta: -71.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.61ms. Allocated memory is still 228.6MB. Free memory was 169.0MB in the beginning and 166.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] - GenericResultAtLocation [Line: 322]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] - GenericResultAtLocation [Line: 421]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] - GenericResultAtLocation [Line: 456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 358 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 268]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L323] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] int retValue_acc ; [L400] int tmp ; [L404] FCALL select_helpers() [L405] FCALL select_features() [L406] CALL, EXPR valid_product() [L448] int retValue_acc ; [L451] retValue_acc = 1 [L452] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L406] RET, EXPR valid_product() [L406] tmp = valid_product() [L408] COND TRUE \read(tmp) [L410] FCALL setup() [L411] CALL runTest() [L390] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification1_spec__1() [L459] int tmp ; [L460] int tmp___0 ; [L464] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L464] RET, EXPR isMethaneLevelCritical() [L464] tmp = isMethaneLevelCritical() [L466] COND FALSE !(\read(tmp)) [L82] RET __utac_acc__Specification1_spec__1() [L311] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 268]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L323] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] int retValue_acc ; [L400] int tmp ; [L404] FCALL select_helpers() [L405] FCALL select_features() [L406] CALL, EXPR valid_product() [L448] int retValue_acc ; [L451] retValue_acc = 1 [L452] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L406] RET, EXPR valid_product() [L406] tmp = valid_product() [L408] COND TRUE \read(tmp) [L410] FCALL setup() [L411] CALL runTest() [L390] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification1_spec__1() [L459] int tmp ; [L460] int tmp___0 ; [L464] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L464] RET, EXPR isMethaneLevelCritical() [L464] tmp = isMethaneLevelCritical() [L466] COND FALSE !(\read(tmp)) [L82] RET __utac_acc__Specification1_spec__1() [L311] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:17,258 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)