./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product53.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_spec5_product53.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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:22,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:22,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:22,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:22,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:22,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:22,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:22,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:22,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:22,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:22,160 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:22,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:22,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:22,162 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:22,162 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:22,162 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:22,162 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:22,163 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:22,164 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:22,164 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:22,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:22,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:22,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:22,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:22,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:22,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:22,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:22,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:22,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:22,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:22,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:22,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:22,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:22,175 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:22,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:22,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:22,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:22,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:22,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:22,178 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:22,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2024-11-10 23:16:22,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:22,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:22,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:22,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:22,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:22,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2024-11-10 23:16:23,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:24,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:24,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2024-11-10 23:16:24,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c564b1887/449b96d4077147bb884a41367d4f2922/FLAGdf8261ccd [2024-11-10 23:16:24,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c564b1887/449b96d4077147bb884a41367d4f2922 [2024-11-10 23:16:24,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:24,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:24,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:24,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:24,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:24,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b854d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24, skipping insertion in model container [2024-11-10 23:16:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:24,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:24,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:24,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:16:24,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] [2024-11-10 23:16:24,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653] [2024-11-10 23:16:24,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] [2024-11-10 23:16:24,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759] [2024-11-10 23:16:24,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810] [2024-11-10 23:16:24,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] [2024-11-10 23:16:24,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] [2024-11-10 23:16:24,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:24,692 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:24,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24 WrapperNode [2024-11-10 23:16:24,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:24,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:24,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:24,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:24,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,783 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 147, statements flattened = 989 [2024-11-10 23:16:24,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:24,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:24,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:24,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:24,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,845 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 23:16:24,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:24,884 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:24,884 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:24,885 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:24,885 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (1/1) ... [2024-11-10 23:16:24,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:24,915 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 23:16:24,916 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 23:16:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:25,022 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:25,024 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:25,709 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:25,709 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:25,709 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:16:25,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:16:25,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-10 23:16:25,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,712 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:16:25,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-10 23:16:25,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:16:25,755 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:25,755 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:25,782 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:25,782 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:25,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:25 BoogieIcfgContainer [2024-11-10 23:16:25,782 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:25,783 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:25,783 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:25,789 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:25,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:25,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:24" (1/3) ... [2024-11-10 23:16:25,791 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9838f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:25, skipping insertion in model container [2024-11-10 23:16:25,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:25,791 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:24" (2/3) ... [2024-11-10 23:16:25,791 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9838f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:25, skipping insertion in model container [2024-11-10 23:16:25,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:25,792 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:25" (3/3) ... [2024-11-10 23:16:25,793 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2024-11-10 23:16:25,843 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:25,843 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:25,843 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:25,843 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:25,843 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:25,843 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:25,844 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:25,844 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:25,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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 23:16:25,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2024-11-10 23:16:25,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:25,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:25,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,887 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,887 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:25,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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 23:16:25,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2024-11-10 23:16:25,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:25,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:25,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,901 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,906 INFO L745 eck$LassoCheckResult]: Stem: 268#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 25#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 248#L679true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 107#L672true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 51#L687true assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 29#L894true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 83#L870true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 9#L768true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 254#L705true [2024-11-10 23:16:25,907 INFO L747 eck$LassoCheckResult]: Loop: 254#L705true assume true; 55#L705-1true assume !false;assume true; 216#L707true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 15#L715true assume !(0 != test_~tmp~8#1); 277#L723true havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 10#L725true assume !(0 != test_~tmp___0~2#1); 95#L733true havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 274#L735true assume 0 != test_~tmp___2~0#1; 36#L748true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 123#L575-5true assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 101#L778-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 245#L438-2true assume !(0 != ~pumpRunning~0); 228#L445-2true assume !(0 != ~systemActive~0); 149#L453-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 165#L992-2true assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 187#L789-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 211#L807-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 196#L455-2true assume true;assume { :end_inline_timeShift } true; 254#L705true [2024-11-10 23:16:25,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1620416794, now seen corresponding path program 1 times [2024-11-10 23:16:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193616899] [2024-11-10 23:16:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2118568081, now seen corresponding path program 1 times [2024-11-10 23:16:26,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341103323] [2024-11-10 23:16:26,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:26,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1381257878, now seen corresponding path program 1 times [2024-11-10 23:16:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919420898] [2024-11-10 23:16:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:26,389 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 23:16:26,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919420898] [2024-11-10 23:16:26,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919420898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:26,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:26,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:26,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888714749] [2024-11-10 23:16:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:26,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:26,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:16:26,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:16:26,536 INFO L87 Difference]: Start difference. First operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 23:16:26,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:26,643 INFO L93 Difference]: Finished difference Result 277 states and 368 transitions. [2024-11-10 23:16:26,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 368 transitions. [2024-11-10 23:16:26,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2024-11-10 23:16:26,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 266 states and 357 transitions. [2024-11-10 23:16:26,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 266 [2024-11-10 23:16:26,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 266 [2024-11-10 23:16:26,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 266 states and 357 transitions. [2024-11-10 23:16:26,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:26,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 266 states and 357 transitions. [2024-11-10 23:16:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states and 357 transitions. [2024-11-10 23:16:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-10 23:16:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 266 states have (on average 1.3421052631578947) internal successors, (357), 265 states have internal predecessors, (357), 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 23:16:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 357 transitions. [2024-11-10 23:16:26,710 INFO L240 hiAutomatonCegarLoop]: Abstraction has 266 states and 357 transitions. [2024-11-10 23:16:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:26,720 INFO L425 stractBuchiCegarLoop]: Abstraction has 266 states and 357 transitions. [2024-11-10 23:16:26,720 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:26,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 266 states and 357 transitions. [2024-11-10 23:16:26,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2024-11-10 23:16:26,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:26,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:26,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:26,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:26,725 INFO L745 eck$LassoCheckResult]: Stem: 842#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 623#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 624#L679 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 740#L672 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 668#L687 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 629#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 630#L870 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 592#L768 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 593#L705 [2024-11-10 23:16:26,726 INFO L747 eck$LassoCheckResult]: Loop: 593#L705 assume true; 675#L705-1 assume !false;assume true; 676#L707 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 603#L715 assume !(0 != test_~tmp~8#1); 605#L723 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 594#L725 assume !(0 != test_~tmp___0~2#1); 596#L733 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 726#L735 assume 0 != test_~tmp___2~0#1; 645#L748 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 646#L575-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 732#L778-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 733#L438-2 assume !(0 != ~pumpRunning~0); 614#L445-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 808#L522-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 809#L960-2 assume true;isMethaneAlarm_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret30#1;havoc isMethaneAlarm_#t~ret30#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; 659#L566-2 assume true;processEnvironment_#t~ret29#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret29#1;havoc processEnvironment_#t~ret29#1; 660#L526-2 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 831#L556-6 assume true;assume { :end_inline_deactivatePump } true; 810#L540-2 assume true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 779#L453-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 780#L992-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 796#L789-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 701#L807-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 815#L455-2 assume true;assume { :end_inline_timeShift } true; 593#L705 [2024-11-10 23:16:26,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1620416794, now seen corresponding path program 2 times [2024-11-10 23:16:26,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497087104] [2024-11-10 23:16:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:26,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2020646273, now seen corresponding path program 1 times [2024-11-10 23:16:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175083854] [2024-11-10 23:16:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:26,779 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 23:16:26,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:26,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175083854] [2024-11-10 23:16:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175083854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:26,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403872594] [2024-11-10 23:16:26,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:26,780 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:26,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:26,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:26,782 INFO L87 Difference]: Start difference. First operand 266 states and 357 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 23:16:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:26,901 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2024-11-10 23:16:26,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 284 states and 361 transitions. [2024-11-10 23:16:26,903 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 194 [2024-11-10 23:16:26,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 284 states to 284 states and 361 transitions. [2024-11-10 23:16:26,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2024-11-10 23:16:26,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2024-11-10 23:16:26,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 361 transitions. [2024-11-10 23:16:26,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:26,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 284 states and 361 transitions. [2024-11-10 23:16:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 361 transitions. [2024-11-10 23:16:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-10 23:16:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 284 states have (on average 1.2711267605633803) internal successors, (361), 283 states have internal predecessors, (361), 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 23:16:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 361 transitions. [2024-11-10 23:16:26,928 INFO L240 hiAutomatonCegarLoop]: Abstraction has 284 states and 361 transitions. [2024-11-10 23:16:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:26,929 INFO L425 stractBuchiCegarLoop]: Abstraction has 284 states and 361 transitions. [2024-11-10 23:16:26,929 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:26,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 284 states and 361 transitions. [2024-11-10 23:16:26,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 194 [2024-11-10 23:16:26,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:26,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:26,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:26,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:26,933 INFO L745 eck$LassoCheckResult]: Stem: 1357#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1167#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1168#L679 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1259#L672 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1202#L687 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1173#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1174#L870 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1146#L768 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1147#L705 [2024-11-10 23:16:26,933 INFO L747 eck$LassoCheckResult]: Loop: 1147#L705 assume true; 1210#L705-1 assume !false;assume true; 1211#L707 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1151#L715 assume !(0 != test_~tmp~8#1); 1153#L723 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1148#L725 assume !(0 != test_~tmp___0~2#1); 1150#L733 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1246#L735 assume 0 != test_~tmp___2~0#1; 1185#L748 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1186#L575-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 1251#L778-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1252#L438-2 assume !(0 != ~pumpRunning~0); 1347#L445-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1316#L522-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 1181#L496-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 1182#L470-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1247#L1000-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1267#L1005-11 assume true;isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 1335#L624-11 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1189#L629-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1190#L630-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1; 1262#L474-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1191#L462-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1192#L488-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1300#L514-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1319#L540-2 assume true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1296#L453-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 1297#L992-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 1308#L789-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1229#L807-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1326#L455-2 assume true;assume { :end_inline_timeShift } true; 1147#L705 [2024-11-10 23:16:26,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1620416794, now seen corresponding path program 3 times [2024-11-10 23:16:26,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36682800] [2024-11-10 23:16:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:26,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:26,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1469322915, now seen corresponding path program 1 times [2024-11-10 23:16:26,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:26,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747507840] [2024-11-10 23:16:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:26,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:27,050 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 23:16:27,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:27,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747507840] [2024-11-10 23:16:27,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747507840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:27,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:27,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:27,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015626276] [2024-11-10 23:16:27,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:27,052 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:27,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:27,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:27,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:27,054 INFO L87 Difference]: Start difference. First operand 284 states and 361 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 23:16:27,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:27,217 INFO L93 Difference]: Finished difference Result 558 states and 695 transitions. [2024-11-10 23:16:27,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 695 transitions. [2024-11-10 23:16:27,221 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 386 [2024-11-10 23:16:27,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 558 states and 695 transitions. [2024-11-10 23:16:27,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 558 [2024-11-10 23:16:27,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2024-11-10 23:16:27,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 558 states and 695 transitions. [2024-11-10 23:16:27,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:27,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 558 states and 695 transitions. [2024-11-10 23:16:27,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states and 695 transitions. [2024-11-10 23:16:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2024-11-10 23:16:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 558 states have (on average 1.2455197132616487) internal successors, (695), 557 states have internal predecessors, (695), 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 23:16:27,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 695 transitions. [2024-11-10 23:16:27,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 558 states and 695 transitions. [2024-11-10 23:16:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:27,256 INFO L425 stractBuchiCegarLoop]: Abstraction has 558 states and 695 transitions. [2024-11-10 23:16:27,256 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:16:27,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 558 states and 695 transitions. [2024-11-10 23:16:27,259 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 386 [2024-11-10 23:16:27,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:27,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:27,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:27,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:27,260 INFO L745 eck$LassoCheckResult]: Stem: 2246#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2022#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 2023#L679 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2121#L672 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2057#L687 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 2028#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 2029#L870 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2000#L768 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2001#L705 [2024-11-10 23:16:27,261 INFO L747 eck$LassoCheckResult]: Loop: 2001#L705 assume true; 2063#L705-1 assume !false;assume true; 2064#L707 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 2005#L715 assume !(0 != test_~tmp~8#1); 2007#L723 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 2002#L725 assume !(0 != test_~tmp___0~2#1); 2004#L733 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 2105#L735 assume 0 != test_~tmp___2~0#1; 2038#L748 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2039#L575-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 2112#L778-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2113#L438-2 assume !(0 != ~pumpRunning~0); 2226#L445-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2185#L522-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 2036#L496-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2037#L470-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2130#L1000-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2131#L1005-11 assume true;isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 2361#L624-11 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2359#L629-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2356#L630-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1; 2355#L474-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2046#L462-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2047#L488-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2164#L514-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2187#L540-2 assume true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2162#L453-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 2163#L992-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 2175#L789-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2024#L575-4 assume true;__utac_acc__Specification5_spec__3_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret48#1;havoc __utac_acc__Specification5_spec__3_#t~ret48#1; 2025#L793-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 2085#L807-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2203#L455-2 assume true;assume { :end_inline_timeShift } true; 2001#L705 [2024-11-10 23:16:27,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1620416794, now seen corresponding path program 4 times [2024-11-10 23:16:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941875205] [2024-11-10 23:16:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:27,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1025520799, now seen corresponding path program 1 times [2024-11-10 23:16:27,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:27,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757910594] [2024-11-10 23:16:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:27,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2101049704, now seen corresponding path program 1 times [2024-11-10 23:16:27,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345839920] [2024-11-10 23:16:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:27,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:28,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:28,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:28 BoogieIcfgContainer [2024-11-10 23:16:28,327 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:28,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:28,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:28,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:28,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:25" (3/4) ... [2024-11-10 23:16:28,330 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:28,402 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:28,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:28,403 INFO L158 Benchmark]: Toolchain (without parser) took 4199.32ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 81.3MB in the beginning and 59.4MB in the end (delta: 21.8MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,403 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:28,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.69ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 59.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.83ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 106.1MB in the end (delta: -46.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,404 INFO L158 Benchmark]: Boogie Preprocessor took 99.66ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 101.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,404 INFO L158 Benchmark]: IcfgBuilder took 898.16ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 52.4MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,405 INFO L158 Benchmark]: BuchiAutomizer took 2544.17ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 62.6MB in the end (delta: -10.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,405 INFO L158 Benchmark]: Witness Printer took 74.65ms. Allocated memory is still 169.9MB. Free memory was 62.6MB in the beginning and 59.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:28,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.69ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 59.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.83ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 106.1MB in the end (delta: -46.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.66ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 101.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 898.16ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 52.4MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2544.17ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 62.6MB in the end (delta: -10.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 74.65ms. Allocated memory is still 169.9MB. Free memory was 62.6MB in the beginning and 59.4MB 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,"MinePump.i","") [415] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] - GenericResultAtLocation [Line: 759]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759] - GenericResultAtLocation [Line: 810]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 558 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 1143 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1143 mSDsluCounter, 2662 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1695 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 967 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 705]: 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; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L762] int switchedOnBeforeTS ; [L811] int cleanupTimeShifts = 4; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L885] int retValue_acc ; [L886] int tmp ; [L890] FCALL select_helpers() [L891] FCALL select_features() [L892] CALL, EXPR valid_product() [L683] int retValue_acc ; [L686] retValue_acc = 1 [L687] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L892] RET, EXPR valid_product() [L892] tmp = valid_product() [L894] COND TRUE \read(tmp) [L896] FCALL setup() [L897] CALL runTest() [L878] CALL __utac_acc__Specification5_spec__1() [L767] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET __utac_acc__Specification5_spec__1() [L879] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L748] CALL timeShift() [L436] CALL __utac_acc__Specification5_spec__2() [L776] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L776] RET, EXPR isPumpRunning() [L776] switchedOnBeforeTS = isPumpRunning() [L436] RET __utac_acc__Specification5_spec__2() [L438] COND FALSE !(\read(pumpRunning)) [L445] COND TRUE \read(systemActive) [L447] CALL processEnvironment() [L519] int tmp ; [L522] COND FALSE !(\read(pumpRunning)) [L537] CALL processEnvironment__wrappee__lowWaterSensor() [L493] int tmp ; [L496] COND FALSE !(\read(pumpRunning)) [L511] CALL processEnvironment__wrappee__highWaterSensor() [L467] int tmp ; [L470] COND TRUE ! pumpRunning [L472] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L997] int retValue_acc ; [L1000] COND TRUE waterLevel < 2 [L1001] retValue_acc = 1 [L1002] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L472] RET, EXPR isHighWaterLevel() [L472] tmp = isHighWaterLevel() [L474] COND FALSE !(\read(tmp)) [L480] FCALL processEnvironment__wrappee__base() [L511] RET processEnvironment__wrappee__highWaterSensor() [L537] RET processEnvironment__wrappee__lowWaterSensor() [L447] RET processEnvironment() [L453] CALL __utac_acc__Specification5_spec__3() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L787] RET, EXPR getWaterLevel() [L787] tmp = getWaterLevel() [L789] COND TRUE tmp != 2 [L791] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L791] RET, EXPR isPumpRunning() [L791] tmp___0 = isPumpRunning() [L793] COND FALSE !(\read(tmp___0)) [L453] RET __utac_acc__Specification5_spec__3() [L748] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 705]: 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; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L762] int switchedOnBeforeTS ; [L811] int cleanupTimeShifts = 4; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L885] int retValue_acc ; [L886] int tmp ; [L890] FCALL select_helpers() [L891] FCALL select_features() [L892] CALL, EXPR valid_product() [L683] int retValue_acc ; [L686] retValue_acc = 1 [L687] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L892] RET, EXPR valid_product() [L892] tmp = valid_product() [L894] COND TRUE \read(tmp) [L896] FCALL setup() [L897] CALL runTest() [L878] CALL __utac_acc__Specification5_spec__1() [L767] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET __utac_acc__Specification5_spec__1() [L879] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L748] CALL timeShift() [L436] CALL __utac_acc__Specification5_spec__2() [L776] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L776] RET, EXPR isPumpRunning() [L776] switchedOnBeforeTS = isPumpRunning() [L436] RET __utac_acc__Specification5_spec__2() [L438] COND FALSE !(\read(pumpRunning)) [L445] COND TRUE \read(systemActive) [L447] CALL processEnvironment() [L519] int tmp ; [L522] COND FALSE !(\read(pumpRunning)) [L537] CALL processEnvironment__wrappee__lowWaterSensor() [L493] int tmp ; [L496] COND FALSE !(\read(pumpRunning)) [L511] CALL processEnvironment__wrappee__highWaterSensor() [L467] int tmp ; [L470] COND TRUE ! pumpRunning [L472] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L997] int retValue_acc ; [L1000] COND TRUE waterLevel < 2 [L1001] retValue_acc = 1 [L1002] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L472] RET, EXPR isHighWaterLevel() [L472] tmp = isHighWaterLevel() [L474] COND FALSE !(\read(tmp)) [L480] FCALL processEnvironment__wrappee__base() [L511] RET processEnvironment__wrappee__highWaterSensor() [L537] RET processEnvironment__wrappee__lowWaterSensor() [L447] RET processEnvironment() [L453] CALL __utac_acc__Specification5_spec__3() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L787] RET, EXPR getWaterLevel() [L787] tmp = getWaterLevel() [L789] COND TRUE tmp != 2 [L791] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L791] RET, EXPR isPumpRunning() [L791] tmp___0 = isPumpRunning() [L793] COND FALSE !(\read(tmp___0)) [L453] RET __utac_acc__Specification5_spec__3() [L748] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:28,437 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)