./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product20.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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:28:54,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:28:54,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:28:54,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:28:54,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:28:54,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:28:54,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:28:54,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:28:54,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:28:54,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:28:54,264 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:28:54,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:28:54,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:28:54,264 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:28:54,265 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:28:54,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:28:54,265 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:28:54,266 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:28:54,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:28:54,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:28:54,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:28:54,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:28:54,266 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:28:54,266 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/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 -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2025-03-09 07:28:54,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:28:54,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:28:54,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:28:54,482 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:28:54,482 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:28:54,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2025-03-09 07:28:55,586 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84607ca03/96d37ee0695e4845800e50aff950ae20/FLAG1e7064a71 [2025-03-09 07:28:55,831 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:28:55,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2025-03-09 07:28:55,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84607ca03/96d37ee0695e4845800e50aff950ae20/FLAG1e7064a71 [2025-03-09 07:28:55,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84607ca03/96d37ee0695e4845800e50aff950ae20 [2025-03-09 07:28:55,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:28:55,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:28:55,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:28:55,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:28:55,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:28:55,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:55" (1/1) ... [2025-03-09 07:28:55,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fed8a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:55, skipping insertion in model container [2025-03-09 07:28:55,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:55" (1/1) ... [2025-03-09 07:28:55,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:28:56,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:28:56,082 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:28:56,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-03-09 07:28:56,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2025-03-09 07:28:56,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] [2025-03-09 07:28:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] [2025-03-09 07:28:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] [2025-03-09 07:28:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2025-03-09 07:28:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] [2025-03-09 07:28:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] [2025-03-09 07:28:56,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:28:56,159 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:28:56,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56 WrapperNode [2025-03-09 07:28:56,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:28:56,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:28:56,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:28:56,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:28:56,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,201 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 331 [2025-03-09 07:28:56,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:28:56,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:28:56,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:28:56,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:28:56,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,223 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]. [2025-03-09 07:28:56,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:28:56,240 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:28:56,243 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:28:56,243 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:28:56,244 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (1/1) ... [2025-03-09 07:28:56,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:28:56,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:28:56,268 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) [2025-03-09 07:28:56,270 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 [2025-03-09 07:28:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:28:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:28:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:28:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:28:56,338 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:28:56,340 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:28:56,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L390-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:28:56,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L159-1: main_#res#1 := main_~retValue_acc~0#1; [2025-03-09 07:28:56,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2025-03-09 07:28:56,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L335-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L335-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L335-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L462-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L462-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L462-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L390-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:28:56,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L390-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:28:56,605 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-03-09 07:28:56,606 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:28:56,617 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:28:56,618 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:28:56,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:56 BoogieIcfgContainer [2025-03-09 07:28:56,619 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:28:56,620 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:28:56,620 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:28:56,624 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:28:56,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:56,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:28:55" (1/3) ... [2025-03-09 07:28:56,625 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56e0bb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:28:56, skipping insertion in model container [2025-03-09 07:28:56,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:56,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:56" (2/3) ... [2025-03-09 07:28:56,625 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56e0bb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:28:56, skipping insertion in model container [2025-03-09 07:28:56,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:56,626 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:56" (3/3) ... [2025-03-09 07:28:56,627 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2025-03-09 07:28:56,663 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:28:56,663 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:28:56,663 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:28:56,663 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:28:56,663 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:28:56,663 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:28:56,663 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:28:56,664 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:28:56,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 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) [2025-03-09 07:28:56,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-03-09 07:28:56,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:56,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:56,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,693 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:28:56,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 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) [2025-03-09 07:28:56,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-03-09 07:28:56,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:56,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:56,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,700 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "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;" "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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#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_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:28:56,701 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:28:56,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:56,704 INFO L85 PathProgramCache]: Analyzing trace with hash -853833131, now seen corresponding path program 1 times [2025-03-09 07:28:56,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:56,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136493151] [2025-03-09 07:28:56,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:56,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:56,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:56,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:56,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:56,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:56,767 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:56,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:56,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:56,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:56,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:56,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:56,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:56,789 INFO L85 PathProgramCache]: Analyzing trace with hash 281887747, now seen corresponding path program 1 times [2025-03-09 07:28:56,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:56,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521371225] [2025-03-09 07:28:56,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:56,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:28:56,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:28:56,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:56,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:28:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:28:56,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:28:56,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521371225] [2025-03-09 07:28:56,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521371225] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:28:56,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:28:56,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:28:56,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938717191] [2025-03-09 07:28:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:28:56,859 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:28:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:28:56,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:28:56,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:28:56,879 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-03-09 07:28:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:28:56,928 INFO L93 Difference]: Finished difference Result 191 states and 247 transitions. [2025-03-09 07:28:56,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 247 transitions. [2025-03-09 07:28:56,932 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2025-03-09 07:28:56,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 171 states and 226 transitions. [2025-03-09 07:28:56,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2025-03-09 07:28:56,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2025-03-09 07:28:56,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 226 transitions. [2025-03-09 07:28:56,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:28:56,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 226 transitions. [2025-03-09 07:28:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 226 transitions. [2025-03-09 07:28:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2025-03-09 07:28:56,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3214285714285714) internal successors, (222), 167 states have internal predecessors, (222), 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) [2025-03-09 07:28:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2025-03-09 07:28:56,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 222 transitions. [2025-03-09 07:28:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:28:56,974 INFO L432 stractBuchiCegarLoop]: Abstraction has 168 states and 222 transitions. [2025-03-09 07:28:56,974 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:28:56,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 222 transitions. [2025-03-09 07:28:56,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2025-03-09 07:28:56,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:56,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:56,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,980 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:56,981 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "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;" "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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#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_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:28:56,981 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:28:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash -853833131, now seen corresponding path program 2 times [2025-03-09 07:28:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:56,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764990248] [2025-03-09 07:28:56,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:28:56,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:56,988 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:56,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:56,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:28:56,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:56,993 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:56,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:56,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:57,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:57,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:57,003 INFO L85 PathProgramCache]: Analyzing trace with hash 900993506, now seen corresponding path program 1 times [2025-03-09 07:28:57,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:57,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577962286] [2025-03-09 07:28:57,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:57,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:57,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:28:57,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:28:57,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,015 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:57,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:28:57,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:28:57,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:57,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:57,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1722363702, now seen corresponding path program 1 times [2025-03-09 07:28:57,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:57,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174900399] [2025-03-09 07:28:57,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:57,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:57,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:28:57,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:28:57,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,046 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:57,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:28:57,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:28:57,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:57,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:57,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:57,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,789 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:57,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:57,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:57,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:57,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:57,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:28:57 BoogieIcfgContainer [2025-03-09 07:28:57,841 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:28:57,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:28:57,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:28:57,842 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:28:57,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:56" (3/4) ... [2025-03-09 07:28:57,843 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:28:57,871 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:28:57,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:28:57,875 INFO L158 Benchmark]: Toolchain (without parser) took 2012.61ms. Allocated memory is still 167.8MB. Free memory was 120.7MB in the beginning and 102.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2025-03-09 07:28:57,876 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:57,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.17ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 102.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:28:57,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.86ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 100.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:28:57,877 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:57,877 INFO L158 Benchmark]: IcfgBuilder took 379.42ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 77.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:28:57,877 INFO L158 Benchmark]: BuchiAutomizer took 1221.35ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 106.4MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:57,878 INFO L158 Benchmark]: Witness Printer took 32.99ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 102.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:57,879 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 201.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.17ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 102.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.86ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 100.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 379.42ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 77.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1221.35ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 106.4MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.99ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 102.4MB in the end (delta: 4.0MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 168 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 120 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 127 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 175]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND TRUE \read(tmp___2) [L207] CALL startSystem() [L412] systemActive = 1 [L207] RET startSystem() [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 175]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND TRUE \read(tmp___2) [L207] CALL startSystem() [L412] systemActive = 1 [L207] RET startSystem() [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:28:57,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)