./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_product24.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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:07,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:07,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:07,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:07,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:07,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:07,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:07,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:07,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:07,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:07,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:07,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:07,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:07,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:07,762 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:07,763 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:07,763 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:07,763 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:07,763 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:07,764 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:07,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:07,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:07,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:07,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:07,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:07,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:07,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:07,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:07,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:07,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:07,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:07,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:07,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:07,769 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:07,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:07,769 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:07,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:07,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:07,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:07,770 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:07,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2024-11-10 23:13:07,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:07,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:07,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:07,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:07,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:08,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-10 23:13:09,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:09,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:09,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-10 23:13:09,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8580ae2f5/2701fa79637f4ccf91536f3ce0f2f350/FLAG1fb24d9ac [2024-11-10 23:13:09,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8580ae2f5/2701fa79637f4ccf91536f3ce0f2f350 [2024-11-10 23:13:09,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:09,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:09,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:09,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:09,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:09,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d968458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09, skipping insertion in model container [2024-11-10 23:13:09,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:09,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:09,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:09,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:09,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-10 23:13:09,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] [2024-11-10 23:13:09,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] [2024-11-10 23:13:09,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2024-11-10 23:13:09,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] [2024-11-10 23:13:09,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] [2024-11-10 23:13:09,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] [2024-11-10 23:13:09,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:09,896 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:09,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09 WrapperNode [2024-11-10 23:13:09,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:09,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:09,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:09,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:09,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,952 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 515 [2024-11-10 23:13:09,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:09,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:09,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:09,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:09,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,971 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,015 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 23:13:10,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,028 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:10,038 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:10,042 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:10,042 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:10,043 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:10,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:10,075 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 23:13:10,078 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 23:13:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:10,193 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:10,195 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:10,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: main_#res#1 := main_~retValue_acc~6#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L834-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L956-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:10,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L843-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:10,558 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:10,558 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:10,572 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:10,572 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:10,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:10 BoogieIcfgContainer [2024-11-10 23:13:10,572 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:10,573 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:10,573 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:10,576 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:10,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:10,577 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:09" (1/3) ... [2024-11-10 23:13:10,577 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d615b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:10, skipping insertion in model container [2024-11-10 23:13:10,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:10,577 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09" (2/3) ... [2024-11-10 23:13:10,578 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d615b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:10, skipping insertion in model container [2024-11-10 23:13:10,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:10,578 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:10" (3/3) ... [2024-11-10 23:13:10,579 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2024-11-10 23:13:10,626 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:10,626 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:10,626 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:10,626 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:10,627 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:10,627 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:10,627 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:10,627 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:10,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 23:13:10,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-10 23:13:10,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:10,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:10,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:10,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:10,655 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:10,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 23:13:10,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-10 23:13:10,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:10,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:10,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:10,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:10,665 INFO L745 eck$LassoCheckResult]: Stem: 146#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 33#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 54#L947true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 110#L940true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 88#L955true assume true;main_#t~ret38#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1; 13#L708true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 85#L682true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#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; 72#L563true [2024-11-10 23:13:10,665 INFO L747 eck$LassoCheckResult]: Loop: 72#L563true assume true; 15#L563-1true assume !false;assume true; 22#L565true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 56#L573true assume !(0 != test_~tmp~4#1); 157#L581true havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 118#L583true assume !(0 != test_~tmp___0~1#1); 139#L591true havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 92#L593true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet37#1;test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 63#L601true assume !(0 != test_~tmp___1~0#1); 57#L610true assume { :begin_inline_timeShift } true; 3#L731-2true assume !(0 != ~pumpRunning~0); 142#L738-2true assume !(0 != ~systemActive~0); 105#L746-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 100#L466-4true assume true;__utac_acc__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1; 46#L522-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 83#L536-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 5#L748-2true assume true;assume { :end_inline_timeShift } true; 72#L563true [2024-11-10 23:13:10,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -347883724, now seen corresponding path program 1 times [2024-11-10 23:13:10,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:10,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274553653] [2024-11-10 23:13:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:10,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:10,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:10,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:10,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:10,793 INFO L85 PathProgramCache]: Analyzing trace with hash -438317000, now seen corresponding path program 1 times [2024-11-10 23:13:10,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:10,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716152573] [2024-11-10 23:13:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:10,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:10,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:10,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:10,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash -89062043, now seen corresponding path program 1 times [2024-11-10 23:13:10,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:10,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596711231] [2024-11-10 23:13:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:10,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:10,985 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 23:13:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596711231] [2024-11-10 23:13:10,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596711231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:10,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:10,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:10,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677540939] [2024-11-10 23:13:10,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:11,098 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 23:13:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:11,250 INFO L93 Difference]: Finished difference Result 360 states and 462 transitions. [2024-11-10 23:13:11,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 360 states and 462 transitions. [2024-11-10 23:13:11,260 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 232 [2024-11-10 23:13:11,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 360 states to 327 states and 429 transitions. [2024-11-10 23:13:11,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 327 [2024-11-10 23:13:11,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 327 [2024-11-10 23:13:11,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 327 states and 429 transitions. [2024-11-10 23:13:11,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:11,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 327 states and 429 transitions. [2024-11-10 23:13:11,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states and 429 transitions. [2024-11-10 23:13:11,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 192. [2024-11-10 23:13:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 192 states have (on average 1.3125) internal successors, (252), 191 states have internal predecessors, (252), 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 23:13:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2024-11-10 23:13:11,309 INFO L240 hiAutomatonCegarLoop]: Abstraction has 192 states and 252 transitions. [2024-11-10 23:13:11,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:13:11,314 INFO L425 stractBuchiCegarLoop]: Abstraction has 192 states and 252 transitions. [2024-11-10 23:13:11,314 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:11,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states and 252 transitions. [2024-11-10 23:13:11,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 135 [2024-11-10 23:13:11,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:11,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:11,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,318 INFO L745 eck$LassoCheckResult]: Stem: 677#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 590#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 591#L947 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 616#L940 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 650#L955 assume true;main_#t~ret38#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1; 553#L708 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 554#L682 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#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; 542#L563 [2024-11-10 23:13:11,318 INFO L747 eck$LassoCheckResult]: Loop: 542#L563 assume true; 556#L563-1 assume !false;assume true; 557#L565 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 571#L573 assume !(0 != test_~tmp~4#1); 619#L581 havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 669#L583 assume !(0 != test_~tmp___0~1#1); 670#L591 havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 653#L593 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet37#1;test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 628#L601 assume !(0 != test_~tmp___1~0#1); 620#L610 assume { :begin_inline_timeShift } true; 536#L731-2 assume !(0 != ~pumpRunning~0); 538#L738-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 612#L789-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 608#L763-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 610#L755-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 657#L781-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 544#L807-2 assume true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 651#L746-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 660#L466-4 assume true;__utac_acc__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1; 606#L522-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 607#L536-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 541#L748-2 assume true;assume { :end_inline_timeShift } true; 542#L563 [2024-11-10 23:13:11,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,319 INFO L85 PathProgramCache]: Analyzing trace with hash -347883724, now seen corresponding path program 2 times [2024-11-10 23:13:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049949588] [2024-11-10 23:13:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:11,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1737729261, now seen corresponding path program 1 times [2024-11-10 23:13:11,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382731767] [2024-11-10 23:13:11,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:11,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1795531744, now seen corresponding path program 1 times [2024-11-10 23:13:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127798627] [2024-11-10 23:13:11,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:12 BoogieIcfgContainer [2024-11-10 23:13:12,108 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:12,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:12,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:12,109 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:12,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:10" (3/4) ... [2024-11-10 23:13:12,111 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:12,162 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:12,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:12,162 INFO L158 Benchmark]: Toolchain (without parser) took 2686.56ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 82.5MB in the beginning and 107.4MB in the end (delta: -24.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,163 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:12,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.49ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 60.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.08ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 108.3MB in the end (delta: -48.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,165 INFO L158 Benchmark]: Boogie Preprocessor took 84.91ms. Allocated memory is still 136.3MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,166 INFO L158 Benchmark]: IcfgBuilder took 534.48ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 75.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,166 INFO L158 Benchmark]: BuchiAutomizer took 1535.00ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 75.8MB in the beginning and 110.5MB in the end (delta: -34.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,166 INFO L158 Benchmark]: Witness Printer took 53.56ms. Allocated memory is still 190.8MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:12,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.49ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 60.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.08ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 108.3MB in the end (delta: -48.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.91ms. Allocated memory is still 136.3MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 534.48ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 75.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1535.00ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 75.8MB in the beginning and 110.5MB in the end (delta: -34.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 53.56ms. Allocated memory is still 190.8MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 621]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] * 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 192 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 135 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, 531 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 531 mSDsluCounter, 842 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 642 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 200 mSDtfsCounter, 38 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: 563]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L622] int cleanupTimeShifts = 4; [L724] int pumpRunning = 0; [L725] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int retValue_acc ; [L700] int tmp ; [L704] FCALL select_helpers() [L705] FCALL select_features() [L706] CALL, EXPR valid_product() [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] RET, EXPR valid_product() [L706] tmp = valid_product() [L708] COND TRUE \read(tmp) [L710] FCALL setup() [L711] CALL runTest() [L690] CALL test() [L554] int splverifierCounter ; [L555] int tmp ; [L556] int tmp___0 ; [L557] int tmp___1 ; [L558] int tmp___2 ; [L561] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L563] COND TRUE 1 [L565] COND TRUE splverifierCounter < 4 [L571] tmp = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp)) [L581] tmp___0 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___0)) [L591] tmp___2 = __VERIFIER_nondet_int() [L593] COND FALSE !(\read(tmp___2)) [L599] tmp___1 = __VERIFIER_nondet_int() [L601] COND FALSE !(\read(tmp___1)) [L610] CALL timeShift() [L731] COND FALSE !(\read(pumpRunning)) [L738] COND TRUE \read(systemActive) [L740] CALL processEnvironment() [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L804] CALL processEnvironment__wrappee__lowWaterSensor() [L760] int tmp ; [L763] COND FALSE !(\read(pumpRunning)) [L778] FCALL processEnvironment__wrappee__base() [L804] RET processEnvironment__wrappee__lowWaterSensor() [L740] RET processEnvironment() [L746] CALL __utac_acc__Specification1_spec__1() [L515] int tmp ; [L516] int tmp___0 ; [L520] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L520] RET, EXPR isMethaneLevelCritical() [L520] tmp = isMethaneLevelCritical() [L522] COND FALSE !(\read(tmp)) [L746] RET __utac_acc__Specification1_spec__1() [L610] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 563]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L622] int cleanupTimeShifts = 4; [L724] int pumpRunning = 0; [L725] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int retValue_acc ; [L700] int tmp ; [L704] FCALL select_helpers() [L705] FCALL select_features() [L706] CALL, EXPR valid_product() [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] RET, EXPR valid_product() [L706] tmp = valid_product() [L708] COND TRUE \read(tmp) [L710] FCALL setup() [L711] CALL runTest() [L690] CALL test() [L554] int splverifierCounter ; [L555] int tmp ; [L556] int tmp___0 ; [L557] int tmp___1 ; [L558] int tmp___2 ; [L561] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L563] COND TRUE 1 [L565] COND TRUE splverifierCounter < 4 [L571] tmp = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp)) [L581] tmp___0 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___0)) [L591] tmp___2 = __VERIFIER_nondet_int() [L593] COND FALSE !(\read(tmp___2)) [L599] tmp___1 = __VERIFIER_nondet_int() [L601] COND FALSE !(\read(tmp___1)) [L610] CALL timeShift() [L731] COND FALSE !(\read(pumpRunning)) [L738] COND TRUE \read(systemActive) [L740] CALL processEnvironment() [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L804] CALL processEnvironment__wrappee__lowWaterSensor() [L760] int tmp ; [L763] COND FALSE !(\read(pumpRunning)) [L778] FCALL processEnvironment__wrappee__base() [L804] RET processEnvironment__wrappee__lowWaterSensor() [L740] RET processEnvironment() [L746] CALL __utac_acc__Specification1_spec__1() [L515] int tmp ; [L516] int tmp___0 ; [L520] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L520] RET, EXPR isMethaneLevelCritical() [L520] tmp = isMethaneLevelCritical() [L522] COND FALSE !(\read(tmp)) [L746] RET __utac_acc__Specification1_spec__1() [L610] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:12,190 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)