./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product50.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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:39,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:39,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:39,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:39,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:39,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:39,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:39,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:39,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:39,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:39,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:39,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:39,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:39,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:39,765 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:39,766 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:39,766 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:39,766 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:39,766 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:39,767 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:39,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:39,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:39,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:39,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:39,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:39,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:39,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:39,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:39,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:39,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:39,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:39,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:39,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:39,770 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:39,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:39,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:39,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:39,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:39,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:39,772 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:39,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2024-11-17 08:46:40,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:40,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:40,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:40,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:40,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:40,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2024-11-17 08:46:41,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:41,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:41,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2024-11-17 08:46:41,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f972703c/580b42f52d6a4e4abb79dc0b625b16bc/FLAGd83cc8fed [2024-11-17 08:46:41,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f972703c/580b42f52d6a4e4abb79dc0b625b16bc [2024-11-17 08:46:41,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:41,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:41,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:41,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:41,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:41,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:41" (1/1) ... [2024-11-17 08:46:41,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e1b927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:41, skipping insertion in model container [2024-11-17 08:46:41,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:41" (1/1) ... [2024-11-17 08:46:41,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:42,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:42,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:42,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-17 08:46:42,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-17 08:46:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [190] [2024-11-17 08:46:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [232] [2024-11-17 08:46:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] [2024-11-17 08:46:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2024-11-17 08:46:42,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [615] [2024-11-17 08:46:42,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [981] [2024-11-17 08:46:42,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:42,279 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:42,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42 WrapperNode [2024-11-17 08:46:42,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:42,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:42,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:42,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:42,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,341 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 566 [2024-11-17 08:46:42,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:42,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:42,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:42,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:42,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,374 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:46:42,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,407 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:42,422 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:42,423 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:42,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:42,428 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (1/1) ... [2024-11-17 08:46:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:42,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:42,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:46:42,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:46:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:42,606 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:42,609 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:43,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L187-1: main_#res#1 := main_~retValue_acc~2#1; [2024-11-17 08:46:43,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:43,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:43,082 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:43,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:43,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:43,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:43,083 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:43,084 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,084 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L328-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:43,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:43,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:43,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:43,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:43,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:43,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:46:43,123 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:43,124 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:43,142 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:43,143 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:43,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:43 BoogieIcfgContainer [2024-11-17 08:46:43,144 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:43,145 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:43,146 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:43,149 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:43,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:43,150 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:41" (1/3) ... [2024-11-17 08:46:43,151 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b63278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:43, skipping insertion in model container [2024-11-17 08:46:43,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:43,151 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:42" (2/3) ... [2024-11-17 08:46:43,153 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b63278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:43, skipping insertion in model container [2024-11-17 08:46:43,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:43,153 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:43" (3/3) ... [2024-11-17 08:46:43,155 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2024-11-17 08:46:43,217 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:43,217 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:43,217 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:43,217 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:43,217 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:43,217 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:43,218 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:43,218 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:43,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 172 states, 171 states have (on average 1.3742690058479532) internal successors, (235), 171 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-17 08:46:43,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:43,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:43,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,263 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:43,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 172 states, 171 states have (on average 1.3742690058479532) internal successors, (235), 171 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-17 08:46:43,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:43,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:43,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,286 INFO L745 eck$LassoCheckResult]: Stem: 153#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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 43#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 77#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 159#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 32#L83true assume true;main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 70#L177true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 110#L151true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 137#L200true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 62#L559true [2024-11-17 08:46:43,288 INFO L747 eck$LassoCheckResult]: Loop: 62#L559true assume true; 56#L559-1true assume !false; 73#test_while_1_continue#1true assume true; 95#L561true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 52#L569true assume !(0 != test_~tmp~6#1); 89#L577true havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 14#L579true assume !(0 != test_~tmp___0~3#1); 165#L587true havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 16#L589true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 30#L545true assume true;assume { :end_inline_startSystem } true; 63#L604true assume { :begin_inline_timeShift } true; 171#L351-2true assume !(0 != ~pumpRunning~0); 71#L358-2true assume !(0 != ~systemActive~0); 134#L366-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 100#L281-2true assume true;__utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 116#L211-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 148#L229-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 161#L368-2true assume true;assume { :end_inline_timeShift } true; 62#L559true [2024-11-17 08:46:43,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 1 times [2024-11-17 08:46:43,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022948108] [2024-11-17 08:46:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:43,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,452 INFO L85 PathProgramCache]: Analyzing trace with hash -669339964, now seen corresponding path program 1 times [2024-11-17 08:46:43,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862580590] [2024-11-17 08:46:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:43,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862580590] [2024-11-17 08:46:43,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862580590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:43,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:43,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:43,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95155410] [2024-11-17 08:46:43,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:43,560 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:43,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:43,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:43,603 INFO L87 Difference]: Start difference. First operand has 172 states, 171 states have (on average 1.3742690058479532) internal successors, (235), 171 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:43,648 INFO L93 Difference]: Finished difference Result 166 states and 219 transitions. [2024-11-17 08:46:43,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 219 transitions. [2024-11-17 08:46:43,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-17 08:46:43,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 155 states and 207 transitions. [2024-11-17 08:46:43,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2024-11-17 08:46:43,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2024-11-17 08:46:43,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 207 transitions. [2024-11-17 08:46:43,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:43,672 INFO L218 hiAutomatonCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-17 08:46:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 207 transitions. [2024-11-17 08:46:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-17 08:46:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 155 states have (on average 1.335483870967742) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2024-11-17 08:46:43,701 INFO L240 hiAutomatonCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-17 08:46:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:43,707 INFO L425 stractBuchiCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-17 08:46:43,707 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:43,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 207 transitions. [2024-11-17 08:46:43,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-17 08:46:43,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:43,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:43,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,711 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] [2024-11-17 08:46:43,711 INFO L745 eck$LassoCheckResult]: Stem: 501#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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 420#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 421#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 467#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 404#L83 assume true;main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 405#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 461#L151 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 487#L200 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 449#L559 [2024-11-17 08:46:43,711 INFO L747 eck$LassoCheckResult]: Loop: 449#L559 assume true; 441#L559-1 assume !false; 442#test_while_1_continue#1 assume true; 462#L561 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 433#L569 assume !(0 != test_~tmp~6#1); 435#L577 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 366#L579 assume !(0 != test_~tmp___0~3#1); 368#L587 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 369#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 370#L545 assume true;assume { :end_inline_startSystem } true; 396#L604 assume { :begin_inline_timeShift } true; 450#L351-2 assume !(0 != ~pumpRunning~0); 415#L358-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 394#L409-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 374#L383-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 376#L375-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 429#L401-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 388#L427-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 469#L366-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 478#L281-2 assume true;__utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 479#L211-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 417#L229-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 499#L368-2 assume true;assume { :end_inline_timeShift } true; 449#L559 [2024-11-17 08:46:43,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 2 times [2024-11-17 08:46:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701399772] [2024-11-17 08:46:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:43,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1406408651, now seen corresponding path program 1 times [2024-11-17 08:46:43,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220962606] [2024-11-17 08:46:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:43,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:43,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220962606] [2024-11-17 08:46:43,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220962606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:43,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:43,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:43,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079934036] [2024-11-17 08:46:43,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:43,804 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:43,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:43,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:43,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:43,805 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:43,899 INFO L93 Difference]: Finished difference Result 215 states and 277 transitions. [2024-11-17 08:46:43,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 277 transitions. [2024-11-17 08:46:43,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2024-11-17 08:46:43,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 277 transitions. [2024-11-17 08:46:43,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2024-11-17 08:46:43,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2024-11-17 08:46:43,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 277 transitions. [2024-11-17 08:46:43,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:43,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 277 transitions. [2024-11-17 08:46:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 277 transitions. [2024-11-17 08:46:43,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-17 08:46:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.2883720930232558) internal successors, (277), 214 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2024-11-17 08:46:43,919 INFO L240 hiAutomatonCegarLoop]: Abstraction has 215 states and 277 transitions. [2024-11-17 08:46:43,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:43,920 INFO L425 stractBuchiCegarLoop]: Abstraction has 215 states and 277 transitions. [2024-11-17 08:46:43,921 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:43,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 277 transitions. [2024-11-17 08:46:43,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2024-11-17 08:46:43,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:43,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:43,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:43,924 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] [2024-11-17 08:46:43,924 INFO L745 eck$LassoCheckResult]: Stem: 884#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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 797#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 798#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 843#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 770#L83 assume true;main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 771#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 834#L151 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 864#L200 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 822#L559 [2024-11-17 08:46:43,924 INFO L747 eck$LassoCheckResult]: Loop: 822#L559 assume true; 814#L559-1 assume !false; 815#test_while_1_continue#1 assume true; 837#L561 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 805#L569 assume !(0 != test_~tmp~6#1); 807#L577 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 737#L579 assume !(0 != test_~tmp___0~3#1); 739#L587 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 742#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 743#L545 assume true;assume { :end_inline_startSystem } true; 768#L604 assume { :begin_inline_timeShift } true; 823#L351-2 assume !(0 != ~pumpRunning~0); 835#L358-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 767#L409-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 747#L383-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 748#L321-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 846#L326-5 assume true;isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 758#L511-5 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 759#L516-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 873#L517-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 808#L387-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 810#L375-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 836#L401-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 761#L427-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 844#L366-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 854#L281-2 assume true;__utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 855#L211-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 790#L229-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 881#L368-2 assume true;assume { :end_inline_timeShift } true; 822#L559 [2024-11-17 08:46:43,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 3 times [2024-11-17 08:46:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560740387] [2024-11-17 08:46:43,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:43,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -611062466, now seen corresponding path program 1 times [2024-11-17 08:46:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609879944] [2024-11-17 08:46:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:43,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1185725883, now seen corresponding path program 1 times [2024-11-17 08:46:43,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:43,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881078715] [2024-11-17 08:46:43,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:44,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:45 BoogieIcfgContainer [2024-11-17 08:46:45,106 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:45,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:45,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:45,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:45,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:43" (3/4) ... [2024-11-17 08:46:45,109 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:45,174 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:45,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:45,175 INFO L158 Benchmark]: Toolchain (without parser) took 3418.00ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 121.4MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:45,175 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:45,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.70ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 60.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:45,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.08ms. Allocated memory is still 138.4MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:45,176 INFO L158 Benchmark]: Boogie Preprocessor took 79.43ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 109.0MB in the end (delta: -51.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:45,176 INFO L158 Benchmark]: IcfgBuilder took 721.48ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 108.9MB in the beginning and 114.2MB in the end (delta: -5.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-17 08:46:45,177 INFO L158 Benchmark]: BuchiAutomizer took 1960.61ms. Allocated memory is still 174.1MB. Free memory was 114.2MB in the beginning and 124.6MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:45,177 INFO L158 Benchmark]: Witness Printer took 67.60ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 121.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:45,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.70ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 60.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.08ms. Allocated memory is still 138.4MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.43ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 109.0MB in the end (delta: -51.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * IcfgBuilder took 721.48ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 108.9MB in the beginning and 114.2MB in the end (delta: -5.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1960.61ms. Allocated memory is still 174.1MB. Free memory was 114.2MB in the beginning and 124.6MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.60ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 121.4MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [190] - GenericResultAtLocation [Line: 232]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [232] - GenericResultAtLocation [Line: 340]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 615]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [615] - GenericResultAtLocation [Line: 981]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [981] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 215 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 353 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 438 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 559]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L194] int methAndRunningLastTime ; [L238] int waterLevel = 1; [L239] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L785] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification2_spec__1() [L199] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification2_spec__1() [L162] CALL test() [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L559] COND TRUE 1 [L561] COND TRUE splverifierCounter < 4 [L567] tmp = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp)) [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp___0)) [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) [L591] CALL startSystem() [L544] systemActive = 1 [L591] RET startSystem() [L604] CALL timeShift() [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L360] CALL processEnvironment() [L406] int tmp ; [L409] COND FALSE !(\read(pumpRunning)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L380] int tmp ; [L383] COND TRUE ! pumpRunning [L385] CALL, EXPR isHighWaterLevel() [L503] int retValue_acc ; [L504] int tmp ; [L505] int tmp___0 ; [L509] CALL, EXPR isHighWaterSensorDry() [L318] int retValue_acc ; [L321] COND TRUE waterLevel < 2 [L322] retValue_acc = 1 [L323] return (retValue_acc); [L509] RET, EXPR isHighWaterSensorDry() [L509] tmp = isHighWaterSensorDry() [L511] COND TRUE \read(tmp) [L512] tmp___0 = 0 [L516] retValue_acc = tmp___0 [L517] return (retValue_acc); [L385] RET, EXPR isHighWaterLevel() [L385] tmp = isHighWaterLevel() [L387] COND FALSE !(\read(tmp)) [L393] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L360] RET processEnvironment() [L366] CALL __utac_acc__Specification2_spec__2() [L204] int tmp ; [L205] int tmp___0 ; [L209] CALL, EXPR isMethaneLevelCritical() [L277] int retValue_acc ; [L280] retValue_acc = methaneLevelCritical [L281] return (retValue_acc); [L209] RET, EXPR isMethaneLevelCritical() [L209] tmp = isMethaneLevelCritical() [L211] COND FALSE !(\read(tmp)) [L227] methAndRunningLastTime = 0 [L366] RET __utac_acc__Specification2_spec__2() [L604] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 559]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L194] int methAndRunningLastTime ; [L238] int waterLevel = 1; [L239] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L785] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification2_spec__1() [L199] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification2_spec__1() [L162] CALL test() [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L559] COND TRUE 1 [L561] COND TRUE splverifierCounter < 4 [L567] tmp = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp)) [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp___0)) [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) [L591] CALL startSystem() [L544] systemActive = 1 [L591] RET startSystem() [L604] CALL timeShift() [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L360] CALL processEnvironment() [L406] int tmp ; [L409] COND FALSE !(\read(pumpRunning)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L380] int tmp ; [L383] COND TRUE ! pumpRunning [L385] CALL, EXPR isHighWaterLevel() [L503] int retValue_acc ; [L504] int tmp ; [L505] int tmp___0 ; [L509] CALL, EXPR isHighWaterSensorDry() [L318] int retValue_acc ; [L321] COND TRUE waterLevel < 2 [L322] retValue_acc = 1 [L323] return (retValue_acc); [L509] RET, EXPR isHighWaterSensorDry() [L509] tmp = isHighWaterSensorDry() [L511] COND TRUE \read(tmp) [L512] tmp___0 = 0 [L516] retValue_acc = tmp___0 [L517] return (retValue_acc); [L385] RET, EXPR isHighWaterLevel() [L385] tmp = isHighWaterLevel() [L387] COND FALSE !(\read(tmp)) [L393] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L360] RET processEnvironment() [L366] CALL __utac_acc__Specification2_spec__2() [L204] int tmp ; [L205] int tmp___0 ; [L209] CALL, EXPR isMethaneLevelCritical() [L277] int retValue_acc ; [L280] retValue_acc = methaneLevelCritical [L281] return (retValue_acc); [L209] RET, EXPR isMethaneLevelCritical() [L209] tmp = isMethaneLevelCritical() [L211] COND FALSE !(\read(tmp)) [L227] methAndRunningLastTime = 0 [L366] RET __utac_acc__Specification2_spec__2() [L604] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:45,202 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)