./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product21.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_product21.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 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:00,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:00,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:00,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:00,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:00,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:00,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:00,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:00,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:00,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:00,303 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:00,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:00,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:00,307 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:00,308 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:00,308 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:00,308 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:00,308 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:00,308 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:00,309 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:00,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:00,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:00,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:00,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:00,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:00,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:00,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:00,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:00,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:00,313 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:00,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 [2024-11-10 23:16:00,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:00,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:00,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:00,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:00,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:00,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2024-11-10 23:16:01,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:01,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:01,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2024-11-10 23:16:02,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f94c0cc/749d8f61dea042b0b34a8e8ae0cb2c5d/FLAG7047d8a6c [2024-11-10 23:16:02,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f94c0cc/749d8f61dea042b0b34a8e8ae0cb2c5d [2024-11-10 23:16:02,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:02,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:02,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:02,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:02,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:02,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fbc279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02, skipping insertion in model container [2024-11-10 23:16:02,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:02,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:02,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:02,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:16:02,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [155] [2024-11-10 23:16:02,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [207] [2024-11-10 23:16:02,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [216] [2024-11-10 23:16:02,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [309] [2024-11-10 23:16:02,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [344] [2024-11-10 23:16:02,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [710] [2024-11-10 23:16:02,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] [2024-11-10 23:16:02,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:02,804 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:02,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02 WrapperNode [2024-11-10 23:16:02,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:02,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:02,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:02,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:02,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,864 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 87, statements flattened = 545 [2024-11-10 23:16:02,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:02,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:02,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:02,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:02,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,889 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 23:16:02,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:02,901 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:02,901 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:02,901 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:02,902 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (1/1) ... [2024-11-10 23:16:02,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:02,961 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 23:16:02,963 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 23:16:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:03,079 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:03,081 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:03,430 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L152-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:16:03,430 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L900-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:16:03,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L341-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,433 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,434 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L891-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L891-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L891-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:03,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:03,458 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:03,459 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:03,471 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:03,473 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:03,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:03 BoogieIcfgContainer [2024-11-10 23:16:03,473 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:03,474 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:03,474 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:03,477 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:03,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:03,478 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:02" (1/3) ... [2024-11-10 23:16:03,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714c8d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:03, skipping insertion in model container [2024-11-10 23:16:03,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:03,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:02" (2/3) ... [2024-11-10 23:16:03,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714c8d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:03, skipping insertion in model container [2024-11-10 23:16:03,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:03,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:03" (3/3) ... [2024-11-10 23:16:03,480 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2024-11-10 23:16:03,528 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:03,528 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:03,529 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:03,529 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:03,529 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:03,529 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:03,529 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:03,529 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:03,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.3395061728395061) internal successors, (217), 162 states have internal predecessors, (217), 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 23:16:03,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-10 23:16:03,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:03,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:03,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:03,557 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 23:16:03,557 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:03,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.3395061728395061) internal successors, (217), 162 states have internal predecessors, (217), 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 23:16:03,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-10 23:16:03,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:03,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:03,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:03,563 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 23:16:03,567 INFO L745 eck$LassoCheckResult]: Stem: 140#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 41#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 42#L332true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 76#L325true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 121#L340true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 118#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 132#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 18#L165true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 93#L721true [2024-11-10 23:16:03,568 INFO L747 eck$LassoCheckResult]: Loop: 93#L721true assume true; 62#L721-1true assume !false;assume true; 158#L723true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 109#L731true assume !(0 != test_~tmp~5#1); 3#L739true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 148#L741true assume !(0 != test_~tmp___0~1#1); 5#L749true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 34#L751true assume 0 != test_~tmp___2~0#1; 155#L764true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 133#L899-5true assume true;__utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 82#L175-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 78#L788-2true assume !(0 != ~pumpRunning~0); 39#L795-2true assume !(0 != ~systemActive~0); 160#L803-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 48#L296-2true assume true;__utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 16#L186-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 111#L204-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 144#L805-2true assume true;assume { :end_inline_timeShift } true; 93#L721true [2024-11-10 23:16:03,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 1 times [2024-11-10 23:16:03,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:03,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209669966] [2024-11-10 23:16:03,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:03,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:03,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:03,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:03,710 INFO L85 PathProgramCache]: Analyzing trace with hash 868183281, now seen corresponding path program 1 times [2024-11-10 23:16:03,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:03,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711246347] [2024-11-10 23:16:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:03,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:03,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:03,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash 645775818, now seen corresponding path program 1 times [2024-11-10 23:16:03,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:03,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509109297] [2024-11-10 23:16:03,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:03,930 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 23:16:03,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:03,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509109297] [2024-11-10 23:16:03,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509109297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:03,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:03,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:03,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655809232] [2024-11-10 23:16:03,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:04,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:04,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:16:04,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:16:04,079 INFO L87 Difference]: Start difference. First operand has 163 states, 162 states have (on average 1.3395061728395061) internal successors, (217), 162 states have internal predecessors, (217), 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 23:16:04,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:04,137 INFO L93 Difference]: Finished difference Result 157 states and 200 transitions. [2024-11-10 23:16:04,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 200 transitions. [2024-11-10 23:16:04,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-10 23:16:04,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 146 states and 189 transitions. [2024-11-10 23:16:04,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2024-11-10 23:16:04,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2024-11-10 23:16:04,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 146 states and 189 transitions. [2024-11-10 23:16:04,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:04,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-10 23:16:04,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states and 189 transitions. [2024-11-10 23:16:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-10 23:16:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.2945205479452055) internal successors, (189), 145 states have internal predecessors, (189), 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 23:16:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 189 transitions. [2024-11-10 23:16:04,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-10 23:16:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:04,203 INFO L425 stractBuchiCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-10 23:16:04,203 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:04,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 189 transitions. [2024-11-10 23:16:04,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-10 23:16:04,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:04,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:04,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:04,212 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] [2024-11-10 23:16:04,212 INFO L745 eck$LassoCheckResult]: Stem: 478#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 405#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 406#L332 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 407#L325 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 445#L340 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 473#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 474#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 368#L165 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 369#L721 [2024-11-10 23:16:04,212 INFO L747 eck$LassoCheckResult]: Loop: 369#L721 assume true; 434#L721-1 assume !false;assume true; 435#L723 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 465#L731 assume !(0 != test_~tmp~5#1); 340#L739 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 341#L741 assume !(0 != test_~tmp___0~1#1); 344#L749 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 345#L751 assume 0 != test_~tmp___2~0#1; 393#L764 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 477#L899-5 assume true;__utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 448#L175-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 446#L788-2 assume !(0 != ~pumpRunning~0); 404#L795-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 398#L846-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 399#L820-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 476#L812-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 387#L838-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 339#L864-2 assume true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 425#L803-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 415#L296-2 assume true;__utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 359#L186-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 361#L204-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 466#L805-2 assume true;assume { :end_inline_timeShift } true; 369#L721 [2024-11-10 23:16:04,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,213 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 2 times [2024-11-10 23:16:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989772422] [2024-11-10 23:16:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:04,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,247 INFO L85 PathProgramCache]: Analyzing trace with hash -889039130, now seen corresponding path program 1 times [2024-11-10 23:16:04,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261561091] [2024-11-10 23:16:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:04,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1469832787, now seen corresponding path program 1 times [2024-11-10 23:16:04,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189325121] [2024-11-10 23:16:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:04,408 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 23:16:04,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:04,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189325121] [2024-11-10 23:16:04,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189325121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:04,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:04,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:16:04,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015774813] [2024-11-10 23:16:04,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:04,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:04,461 INFO L87 Difference]: Start difference. First operand 146 states and 189 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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 23:16:04,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:04,574 INFO L93 Difference]: Finished difference Result 284 states and 367 transitions. [2024-11-10 23:16:04,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 284 states and 367 transitions. [2024-11-10 23:16:04,576 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 194 [2024-11-10 23:16:04,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 284 states to 284 states and 367 transitions. [2024-11-10 23:16:04,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2024-11-10 23:16:04,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2024-11-10 23:16:04,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 367 transitions. [2024-11-10 23:16:04,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:04,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 284 states and 367 transitions. [2024-11-10 23:16:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 367 transitions. [2024-11-10 23:16:04,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 281. [2024-11-10 23:16:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.2846975088967971) internal successors, (361), 280 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 23:16:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 361 transitions. [2024-11-10 23:16:04,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 281 states and 361 transitions. [2024-11-10 23:16:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:04,601 INFO L425 stractBuchiCegarLoop]: Abstraction has 281 states and 361 transitions. [2024-11-10 23:16:04,601 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:04,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 361 transitions. [2024-11-10 23:16:04,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2024-11-10 23:16:04,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:04,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:04,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:04,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:04,603 INFO L745 eck$LassoCheckResult]: Stem: 934#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 850#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 851#L332 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 852#L325 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 893#L340 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 924#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 925#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 813#L165 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 814#L721 [2024-11-10 23:16:04,604 INFO L747 eck$LassoCheckResult]: Loop: 814#L721 assume true; 880#L721-1 assume !false;assume true; 881#L723 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 916#L731 assume !(0 != test_~tmp~5#1); 782#L739 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 783#L741 assume !(0 != test_~tmp___0~1#1); 786#L749 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 787#L751 assume 0 != test_~tmp___2~0#1; 837#L764 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 929#L899-5 assume true;__utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 897#L175-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 894#L788-2 assume !(0 != ~pumpRunning~0); 844#L795-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 841#L846-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 842#L820-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 927#L812-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 831#L838-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 785#L864-2 assume true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 871#L803-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 859#L296-2 assume true;__utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 806#L186-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 807#L899-4 assume true;__utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 879#L190-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 896#L204-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 919#L805-2 assume true;assume { :end_inline_timeShift } true; 814#L721 [2024-11-10 23:16:04,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,604 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 3 times [2024-11-10 23:16:04,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489749961] [2024-11-10 23:16:04,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:04,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 331280100, now seen corresponding path program 1 times [2024-11-10 23:16:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995606054] [2024-11-10 23:16:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:04,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash 534324203, now seen corresponding path program 1 times [2024-11-10 23:16:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:04,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872808472] [2024-11-10 23:16:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:04,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:04,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:05 BoogieIcfgContainer [2024-11-10 23:16:05,380 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:05,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:05,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:05,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:05,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:03" (3/4) ... [2024-11-10 23:16:05,383 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:05,443 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:05,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:05,444 INFO L158 Benchmark]: Toolchain (without parser) took 3051.43ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 82.7MB in the beginning and 123.1MB in the end (delta: -40.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:05,445 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:05,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.27ms. Allocated memory is still 153.1MB. Free memory was 82.3MB in the beginning and 60.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:16:05,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.35ms. Allocated memory is still 153.1MB. Free memory was 60.5MB in the beginning and 57.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:05,445 INFO L158 Benchmark]: Boogie Preprocessor took 35.60ms. Allocated memory is still 153.1MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:05,445 INFO L158 Benchmark]: IcfgBuilder took 572.45ms. Allocated memory is still 153.1MB. Free memory was 54.3MB in the beginning and 94.1MB in the end (delta: -39.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:16:05,446 INFO L158 Benchmark]: BuchiAutomizer took 1905.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 126.2MB in the end (delta: -32.2MB). Peak memory consumption was 849.0kB. Max. memory is 16.1GB. [2024-11-10 23:16:05,446 INFO L158 Benchmark]: Witness Printer took 63.84ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 123.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:05,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.27ms. Allocated memory is still 153.1MB. Free memory was 82.3MB in the beginning and 60.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.35ms. Allocated memory is still 153.1MB. Free memory was 60.5MB in the beginning and 57.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.60ms. Allocated memory is still 153.1MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 572.45ms. Allocated memory is still 153.1MB. Free memory was 54.3MB in the beginning and 94.1MB in the end (delta: -39.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1905.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 126.2MB in the end (delta: -32.2MB). Peak memory consumption was 849.0kB. Max. memory is 16.1GB. * Witness Printer took 63.84ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 123.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [155] - GenericResultAtLocation [Line: 207]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [207] - GenericResultAtLocation [Line: 216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [216] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [309] - GenericResultAtLocation [Line: 344]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [344] - GenericResultAtLocation [Line: 710]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [710] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] * 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 6 locations. The remainder module has 281 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 1411 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 989 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 422 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int switchedOnBeforeTS ; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L164] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L764] CALL timeShift() [L786] CALL __utac_acc__Specification5_spec__2() [L173] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L173] RET, EXPR isPumpRunning() [L173] switchedOnBeforeTS = isPumpRunning() [L786] RET __utac_acc__Specification5_spec__2() [L788] COND FALSE !(\read(pumpRunning)) [L795] COND TRUE \read(systemActive) [L797] CALL processEnvironment() [L843] int tmp ; [L846] COND FALSE !(\read(pumpRunning)) [L861] CALL processEnvironment__wrappee__lowWaterSensor() [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L835] FCALL processEnvironment__wrappee__base() [L861] RET processEnvironment__wrappee__lowWaterSensor() [L797] RET processEnvironment() [L803] CALL __utac_acc__Specification5_spec__3() [L179] int tmp ; [L180] int tmp___0 ; [L184] CALL, EXPR getWaterLevel() [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L184] RET, EXPR getWaterLevel() [L184] tmp = getWaterLevel() [L186] COND TRUE tmp != 2 [L188] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L188] RET, EXPR isPumpRunning() [L188] tmp___0 = isPumpRunning() [L190] COND FALSE !(\read(tmp___0)) [L803] RET __utac_acc__Specification5_spec__3() [L764] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int switchedOnBeforeTS ; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L164] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L764] CALL timeShift() [L786] CALL __utac_acc__Specification5_spec__2() [L173] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L173] RET, EXPR isPumpRunning() [L173] switchedOnBeforeTS = isPumpRunning() [L786] RET __utac_acc__Specification5_spec__2() [L788] COND FALSE !(\read(pumpRunning)) [L795] COND TRUE \read(systemActive) [L797] CALL processEnvironment() [L843] int tmp ; [L846] COND FALSE !(\read(pumpRunning)) [L861] CALL processEnvironment__wrappee__lowWaterSensor() [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L835] FCALL processEnvironment__wrappee__base() [L861] RET processEnvironment__wrappee__lowWaterSensor() [L797] RET processEnvironment() [L803] CALL __utac_acc__Specification5_spec__3() [L179] int tmp ; [L180] int tmp___0 ; [L184] CALL, EXPR getWaterLevel() [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L184] RET, EXPR getWaterLevel() [L184] tmp = getWaterLevel() [L186] COND TRUE tmp != 2 [L188] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L188] RET, EXPR isPumpRunning() [L188] tmp___0 = isPumpRunning() [L190] COND FALSE !(\read(tmp___0)) [L803] RET __utac_acc__Specification5_spec__3() [L764] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:05,473 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)