./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:46:58,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:46:58,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:46:58,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:46:58,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:46:58,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:46:58,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:46:58,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:46:58,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:46:58,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:46:58,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:46:58,690 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:46:58,690 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:46:58,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:46:58,691 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:46:58,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:46:58,692 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:46:58,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:46:58,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:46:58,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:46:58,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:46:58,692 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:46:58,692 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2025-02-06 19:46:58,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:46:58,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:46:58,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:46:58,923 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:46:58,924 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:46:58,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2025-02-06 19:47:00,073 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437eca68d/af29853b36524680b2a0d4041a83c722/FLAG19e808089 [2025-02-06 19:47:00,319 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:47:00,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2025-02-06 19:47:00,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437eca68d/af29853b36524680b2a0d4041a83c722/FLAG19e808089 [2025-02-06 19:47:00,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437eca68d/af29853b36524680b2a0d4041a83c722 [2025-02-06 19:47:00,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:47:00,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:47:00,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:00,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:47:00,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:47:00,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b75528f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00, skipping insertion in model container [2025-02-06 19:47:00,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:47:00,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:00,588 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:47:00,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-02-06 19:47:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] [2025-02-06 19:47:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] [2025-02-06 19:47:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] [2025-02-06 19:47:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] [2025-02-06 19:47:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] [2025-02-06 19:47:00,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] [2025-02-06 19:47:00,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] [2025-02-06 19:47:00,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:00,677 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:47:00,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00 WrapperNode [2025-02-06 19:47:00,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:00,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:00,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:47:00,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:47:00,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,728 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 262 [2025-02-06 19:47:00,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:00,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:47:00,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:47:00,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:47:00,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,747 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]. [2025-02-06 19:47:00,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:47:00,755 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:47:00,755 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:47:00,755 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:47:00,755 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (1/1) ... [2025-02-06 19:47:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:00,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:00,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:00,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:47:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:47:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:47:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:47:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:47:00,863 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:47:00,865 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:47:01,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L829-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L236-1: main_#res#1 := main_~retValue_acc~2#1; [2025-02-06 19:47:01,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L271-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2025-02-06 19:47:01,094 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-02-06 19:47:01,094 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-02-06 19:47:01,094 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-02-06 19:47:01,113 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-02-06 19:47:01,113 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:47:01,122 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:47:01,122 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:47:01,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:01 BoogieIcfgContainer [2025-02-06 19:47:01,122 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:47:01,123 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:47:01,123 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:47:01,128 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:47:01,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:01,129 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:47:00" (1/3) ... [2025-02-06 19:47:01,130 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@780d37ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:01, skipping insertion in model container [2025-02-06 19:47:01,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:01,130 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:00" (2/3) ... [2025-02-06 19:47:01,130 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@780d37ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:01, skipping insertion in model container [2025-02-06 19:47:01,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:01,130 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:01" (3/3) ... [2025-02-06 19:47:01,131 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2025-02-06 19:47:01,174 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:47:01,174 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:47:01,174 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:47:01,175 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:47:01,175 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:47:01,175 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:47:01,175 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:47:01,175 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:47:01,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 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) [2025-02-06 19:47:01,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2025-02-06 19:47:01,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:01,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:01,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,202 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:47:01,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 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) [2025-02-06 19:47:01,205 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2025-02-06 19:47:01,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:01,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:01,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,211 INFO L752 eck$LassoCheckResult]: Stem: "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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:01,212 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:01,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 1 times [2025-02-06 19:47:01,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370768938] [2025-02-06 19:47:01,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:01,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:01,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,299 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:01,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:01,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:01,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:01,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash 623540109, now seen corresponding path program 1 times [2025-02-06 19:47:01,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294941690] [2025-02-06 19:47:01,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:01,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:01,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:01,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:01,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:01,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:01,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1285751188, now seen corresponding path program 1 times [2025-02-06 19:47:01,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423663824] [2025-02-06 19:47:01,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:01,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:47:01,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:47:01,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:01,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:01,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423663824] [2025-02-06 19:47:01,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423663824] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:01,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:01,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:01,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33780627] [2025-02-06 19:47:01,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:01,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:01,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:47:01,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:47:01,714 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2025-02-06 19:47:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:01,786 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2025-02-06 19:47:01,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2025-02-06 19:47:01,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2025-02-06 19:47:01,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 70 states and 89 transitions. [2025-02-06 19:47:01,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2025-02-06 19:47:01,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2025-02-06 19:47:01,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 89 transitions. [2025-02-06 19:47:01,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:01,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 89 transitions. [2025-02-06 19:47:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 89 transitions. [2025-02-06 19:47:01,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-02-06 19:47:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 69 states have internal predecessors, (89), 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) [2025-02-06 19:47:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2025-02-06 19:47:01,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 89 transitions. [2025-02-06 19:47:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:01,821 INFO L432 stractBuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2025-02-06 19:47:01,822 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:47:01,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 89 transitions. [2025-02-06 19:47:01,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2025-02-06 19:47:01,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:01,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:01,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:01,824 INFO L752 eck$LassoCheckResult]: Stem: "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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:01,824 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:01,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 2 times [2025-02-06 19:47:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149167171] [2025-02-06 19:47:01,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,838 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:01,848 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:01,848 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:47:01,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,848 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:01,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:01,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:01,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:01,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1294738115, now seen corresponding path program 1 times [2025-02-06 19:47:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31631869] [2025-02-06 19:47:01,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:47:01,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:47:01,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,864 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:01,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:47:01,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:47:01,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:01,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash 348445084, now seen corresponding path program 1 times [2025-02-06 19:47:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883512551] [2025-02-06 19:47:01,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:01,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:47:01,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:47:01,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:01,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:01,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:01,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883512551] [2025-02-06 19:47:01,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883512551] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:01,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:01,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:47:01,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112436318] [2025-02-06 19:47:01,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:02,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:02,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:02,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:02,002 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2025-02-06 19:47:02,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:02,095 INFO L93 Difference]: Finished difference Result 128 states and 159 transitions. [2025-02-06 19:47:02,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 159 transitions. [2025-02-06 19:47:02,097 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 86 [2025-02-06 19:47:02,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 128 states and 159 transitions. [2025-02-06 19:47:02,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2025-02-06 19:47:02,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2025-02-06 19:47:02,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 159 transitions. [2025-02-06 19:47:02,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:02,101 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 159 transitions. [2025-02-06 19:47:02,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 159 transitions. [2025-02-06 19:47:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-02-06 19:47:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 128 states have (on average 1.2421875) internal successors, (159), 127 states have internal predecessors, (159), 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) [2025-02-06 19:47:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 159 transitions. [2025-02-06 19:47:02,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 128 states and 159 transitions. [2025-02-06 19:47:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:02,111 INFO L432 stractBuchiCegarLoop]: Abstraction has 128 states and 159 transitions. [2025-02-06 19:47:02,111 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:47:02,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states and 159 transitions. [2025-02-06 19:47:02,112 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 86 [2025-02-06 19:47:02,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:02,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:02,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:02,114 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] [2025-02-06 19:47:02,114 INFO L752 eck$LassoCheckResult]: Stem: "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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:02,115 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:02,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:02,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 3 times [2025-02-06 19:47:02,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:02,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643969432] [2025-02-06 19:47:02,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:47:02,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:02,121 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:02,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:02,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:47:02,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,126 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:02,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:02,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:02,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:02,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:02,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1297799167, now seen corresponding path program 1 times [2025-02-06 19:47:02,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:02,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299734340] [2025-02-06 19:47:02,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:02,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:47:02,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:47:02,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,142 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:02,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:47:02,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:47:02,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:02,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:02,152 INFO L85 PathProgramCache]: Analyzing trace with hash -152335206, now seen corresponding path program 1 times [2025-02-06 19:47:02,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:02,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071298912] [2025-02-06 19:47:02,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:02,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:02,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:47:02,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:47:02,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:02,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:47:02,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:47:02,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:02,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:02,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:02,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,868 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:02,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:02,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:02,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:02,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:02,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:47:02 BoogieIcfgContainer [2025-02-06 19:47:02,917 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:47:02,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:47:02,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:47:02,918 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:47:02,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:01" (3/4) ... [2025-02-06 19:47:02,923 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:47:02,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:47:02,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:47:02,964 INFO L158 Benchmark]: Toolchain (without parser) took 2623.99ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 82.4MB in the end (delta: 28.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2025-02-06 19:47:02,965 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:02,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.29ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 92.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:02,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:02,965 INFO L158 Benchmark]: Boogie Preprocessor took 24.97ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:47:02,966 INFO L158 Benchmark]: IcfgBuilder took 367.62ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 71.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:02,966 INFO L158 Benchmark]: BuchiAutomizer took 1794.20ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 86.7MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:02,966 INFO L158 Benchmark]: Witness Printer took 46.01ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:02,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.29ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 92.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.97ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 367.62ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 71.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1794.20ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 86.7MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.01ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.4MB in the end (delta: 4.3MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] - GenericResultAtLocation [Line: 274]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] - GenericResultAtLocation [Line: 640]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] * 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 128 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 233 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 630 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 437 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 193 mSDtfsCounter, 81 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: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:47:02,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)