./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product40.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_spec5_product40.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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:31:39,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:31:39,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:31:39,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:31:39,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:31:39,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:31:39,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:31:39,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:31:39,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:31:39,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:31:39,990 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:31:39,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:31:39,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:31:39,990 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:31:39,990 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:31:39,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:31:39,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:31:39,992 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:31:39,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:31:39,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:31:39,993 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:31:39,993 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 -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2025-03-09 07:31:40,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:31:40,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:31:40,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:31:40,223 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:31:40,223 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:31:40,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2025-03-09 07:31:41,330 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0868aa95a/b65019ff65cd4bbba6b502be932e57b4/FLAG8fccff51a [2025-03-09 07:31:41,602 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:31:41,604 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2025-03-09 07:31:41,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0868aa95a/b65019ff65cd4bbba6b502be932e57b4/FLAG8fccff51a [2025-03-09 07:31:41,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0868aa95a/b65019ff65cd4bbba6b502be932e57b4 [2025-03-09 07:31:41,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:31:41,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:31:41,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:41,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:31:41,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:31:41,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:41" (1/1) ... [2025-03-09 07:31:41,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dfa00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:41, skipping insertion in model container [2025-03-09 07:31:41,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:41" (1/1) ... [2025-03-09 07:31:41,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:31:42,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:42,147 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:31:42,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] [2025-03-09 07:31:42,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] [2025-03-09 07:31:42,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:42,224 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:31:42,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42 WrapperNode [2025-03-09 07:31:42,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:42,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:42,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:31:42,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:31:42,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,277 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 90, statements flattened = 575 [2025-03-09 07:31:42,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:42,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:31:42,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:31:42,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:31:42,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,309 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 07:31:42,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,314 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:31:42,320 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:31:42,320 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:31:42,321 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:31:42,321 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (1/1) ... [2025-03-09 07:31:42,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:31:42,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:31:42,348 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 07:31:42,350 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 07:31:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:31:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:31:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:31:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:31:42,412 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:31:42,414 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:31:42,856 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:31:42,856 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-1: main_#res#1 := main_~retValue_acc~6#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:31:42,857 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2025-03-09 07:31:42,858 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2025-03-09 07:31:42,858 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2025-03-09 07:31:42,888 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-03-09 07:31:42,888 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:31:42,907 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:31:42,908 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:31:42,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:42 BoogieIcfgContainer [2025-03-09 07:31:42,908 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:31:42,909 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:31:42,909 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:31:42,913 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:31:42,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:42,914 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:31:41" (1/3) ... [2025-03-09 07:31:42,915 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a95ccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:42, skipping insertion in model container [2025-03-09 07:31:42,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:42,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:42" (2/3) ... [2025-03-09 07:31:42,917 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a95ccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:42, skipping insertion in model container [2025-03-09 07:31:42,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:42,918 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:42" (3/3) ... [2025-03-09 07:31:42,919 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2025-03-09 07:31:42,962 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:31:42,962 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:31:42,963 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:31:42,963 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:31:42,963 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:31:42,963 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:31:42,963 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:31:42,963 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:31:42,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.3550295857988166) internal successors, (229), 169 states have internal predecessors, (229), 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 07:31:42,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2025-03-09 07:31:42,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:42,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:42,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:42,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:42,992 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:31:42,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.3550295857988166) internal successors, (229), 169 states have internal predecessors, (229), 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 07:31:42,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2025-03-09 07:31:42,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:42,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:42,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:42,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,003 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:43,003 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#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 { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret43#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~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:43,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1952259686, now seen corresponding path program 1 times [2025-03-09 07:31:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950756697] [2025-03-09 07:31:43,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,086 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:43,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,114 INFO L85 PathProgramCache]: Analyzing trace with hash 83511121, now seen corresponding path program 1 times [2025-03-09 07:31:43,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973382743] [2025-03-09 07:31:43,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:31:43,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:31:43,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:43,181 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 07:31:43,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973382743] [2025-03-09 07:31:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973382743] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:43,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:43,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:31:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888841006] [2025-03-09 07:31:43,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:43,185 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:31:43,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:43,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:31:43,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:31:43,208 INFO L87 Difference]: Start difference. First operand has 170 states, 169 states have (on average 1.3550295857988166) internal successors, (229), 169 states have internal predecessors, (229), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 07:31:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:43,259 INFO L93 Difference]: Finished difference Result 318 states and 422 transitions. [2025-03-09 07:31:43,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 422 transitions. [2025-03-09 07:31:43,263 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2025-03-09 07:31:43,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 298 states and 401 transitions. [2025-03-09 07:31:43,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2025-03-09 07:31:43,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2025-03-09 07:31:43,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 401 transitions. [2025-03-09 07:31:43,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:43,275 INFO L218 hiAutomatonCegarLoop]: Abstraction has 298 states and 401 transitions. [2025-03-09 07:31:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 401 transitions. [2025-03-09 07:31:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2025-03-09 07:31:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.3457627118644069) internal successors, (397), 294 states have internal predecessors, (397), 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 07:31:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 397 transitions. [2025-03-09 07:31:43,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 397 transitions. [2025-03-09 07:31:43,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:31:43,307 INFO L432 stractBuchiCegarLoop]: Abstraction has 295 states and 397 transitions. [2025-03-09 07:31:43,307 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:31:43,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 397 transitions. [2025-03-09 07:31:43,309 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2025-03-09 07:31:43,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:43,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:43,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,310 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:43,310 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#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 { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:43,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1952259686, now seen corresponding path program 2 times [2025-03-09 07:31:43,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863889373] [2025-03-09 07:31:43,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:31:43,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,321 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:31:43,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,328 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:43,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1811683702, now seen corresponding path program 1 times [2025-03-09 07:31:43,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972420996] [2025-03-09 07:31:43,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:31:43,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:31:43,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:43,371 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 07:31:43,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:43,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972420996] [2025-03-09 07:31:43,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972420996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:43,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:43,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:31:43,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051809259] [2025-03-09 07:31:43,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:43,372 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:31:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:43,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:31:43,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:31:43,373 INFO L87 Difference]: Start difference. First operand 295 states and 397 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 07:31:43,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:43,469 INFO L93 Difference]: Finished difference Result 417 states and 542 transitions. [2025-03-09 07:31:43,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 417 states and 542 transitions. [2025-03-09 07:31:43,473 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2025-03-09 07:31:43,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 417 states to 417 states and 542 transitions. [2025-03-09 07:31:43,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 417 [2025-03-09 07:31:43,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 417 [2025-03-09 07:31:43,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 417 states and 542 transitions. [2025-03-09 07:31:43,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:43,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 417 states and 542 transitions. [2025-03-09 07:31:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states and 542 transitions. [2025-03-09 07:31:43,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2025-03-09 07:31:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 417 states have (on average 1.2997601918465227) internal successors, (542), 416 states have internal predecessors, (542), 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 07:31:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 542 transitions. [2025-03-09 07:31:43,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 417 states and 542 transitions. [2025-03-09 07:31:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:31:43,495 INFO L432 stractBuchiCegarLoop]: Abstraction has 417 states and 542 transitions. [2025-03-09 07:31:43,495 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:31:43,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states and 542 transitions. [2025-03-09 07:31:43,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2025-03-09 07:31:43,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:43,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:43,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,498 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:43,498 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet19#1;test_~tmp___1~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1;" "assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:43,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1952259686, now seen corresponding path program 3 times [2025-03-09 07:31:43,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017502421] [2025-03-09 07:31:43,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:31:43,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,504 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,509 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,509 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:31:43,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,509 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:43,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1327888174, now seen corresponding path program 1 times [2025-03-09 07:31:43,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32538532] [2025-03-09 07:31:43,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:31:43,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:31:43,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:43,624 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 07:31:43,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:43,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32538532] [2025-03-09 07:31:43,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32538532] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:43,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:43,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 07:31:43,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549871659] [2025-03-09 07:31:43,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:43,626 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:31:43,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:43,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 07:31:43,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 07:31:43,626 INFO L87 Difference]: Start difference. First operand 417 states and 542 transitions. cyclomatic complexity: 128 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 07:31:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:43,750 INFO L93 Difference]: Finished difference Result 826 states and 1064 transitions. [2025-03-09 07:31:43,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 826 states and 1064 transitions. [2025-03-09 07:31:43,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 582 [2025-03-09 07:31:43,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 826 states to 826 states and 1064 transitions. [2025-03-09 07:31:43,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 826 [2025-03-09 07:31:43,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 826 [2025-03-09 07:31:43,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 826 states and 1064 transitions. [2025-03-09 07:31:43,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:43,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 826 states and 1064 transitions. [2025-03-09 07:31:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states and 1064 transitions. [2025-03-09 07:31:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 820. [2025-03-09 07:31:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 820 states have (on average 1.2829268292682927) internal successors, (1052), 819 states have internal predecessors, (1052), 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 07:31:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1052 transitions. [2025-03-09 07:31:43,775 INFO L240 hiAutomatonCegarLoop]: Abstraction has 820 states and 1052 transitions. [2025-03-09 07:31:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 07:31:43,776 INFO L432 stractBuchiCegarLoop]: Abstraction has 820 states and 1052 transitions. [2025-03-09 07:31:43,776 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-09 07:31:43,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 820 states and 1052 transitions. [2025-03-09 07:31:43,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 578 [2025-03-09 07:31:43,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:43,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:43,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:43,779 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:43,779 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#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 { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret43#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret43#1;havoc __utac_acc__Specification5_spec__2_#t~ret43#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret43#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1;" "assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret45#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:43,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1952259686, now seen corresponding path program 4 times [2025-03-09 07:31:43,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411728614] [2025-03-09 07:31:43,780 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 07:31:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,784 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-03-09 07:31:43,786 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,786 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 07:31:43,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:43,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:43,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:43,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -461524719, now seen corresponding path program 1 times [2025-03-09 07:31:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224504084] [2025-03-09 07:31:43,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 07:31:43,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 07:31:43,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,804 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 07:31:43,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 07:31:43,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:43,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash -4161302, now seen corresponding path program 1 times [2025-03-09 07:31:43,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:43,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429085961] [2025-03-09 07:31:43,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:43,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:43,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 07:31:43,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 07:31:43,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,832 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:43,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 07:31:43,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 07:31:43,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:43,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:43,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:44,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:44,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:44,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:44,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:44,596 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:44,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:44,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:44,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:44,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:44,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:31:44 BoogieIcfgContainer [2025-03-09 07:31:44,650 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:31:44,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:31:44,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:31:44,650 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:31:44,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:42" (3/4) ... [2025-03-09 07:31:44,652 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:31:44,691 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:31:44,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:31:44,693 INFO L158 Benchmark]: Toolchain (without parser) took 2797.49ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 109.2MB in the end (delta: 22.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2025-03-09 07:31:44,694 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:44,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.61ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 113.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:31:44,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.09ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 110.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:44,695 INFO L158 Benchmark]: Boogie Preprocessor took 41.10ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 108.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:44,695 INFO L158 Benchmark]: IcfgBuilder took 588.00ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 78.4MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 07:31:44,695 INFO L158 Benchmark]: BuchiAutomizer took 1740.76ms. Allocated memory is still 167.8MB. Free memory was 78.4MB in the beginning and 115.0MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:44,695 INFO L158 Benchmark]: Witness Printer took 41.68ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 109.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:44,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.61ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 113.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.09ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 110.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.10ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 108.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 588.00ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 78.4MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1740.76ms. Allocated memory is still 167.8MB. Free memory was 78.4MB in the beginning and 115.0MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.68ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 109.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 266]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [266] - GenericResultAtLocation [Line: 338]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338] - GenericResultAtLocation [Line: 704]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [755] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [855] - GenericResultAtLocation [Line: 864]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [864] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [899] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 820 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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, 533 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 533 mSDsluCounter, 1570 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 920 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 650 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 280]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L707] int switchedOnBeforeTS ; [L756] int cleanupTimeShifts = 4; [L900] int waterLevel = 1; [L901] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L833] int retValue_acc ; [L834] int tmp ; [L838] FCALL select_helpers() [L839] FCALL select_features() [L840] CALL, EXPR valid_product() [L891] int retValue_acc ; [L894] retValue_acc = 1 [L895] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L840] RET, EXPR valid_product() [L840] tmp = valid_product() [L842] COND TRUE \read(tmp) [L844] FCALL setup() [L845] CALL runTest() [L823] CALL __utac_acc__Specification5_spec__1() [L712] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L823] RET __utac_acc__Specification5_spec__1() [L824] CALL test() [L271] int splverifierCounter ; [L272] int tmp ; [L273] int tmp___0 ; [L274] int tmp___1 ; [L275] int tmp___2 ; [L278] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE splverifierCounter < 4 [L288] tmp = __VERIFIER_nondet_int() [L290] COND FALSE !(\read(tmp)) [L298] tmp___0 = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp___0)) [L308] tmp___2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp___2) [L312] CALL startSystem() [L262] systemActive = 1 [L312] RET startSystem() [L327] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L721] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L721] RET, EXPR isPumpRunning() [L721] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L980] int retValue_acc ; [L983] COND TRUE waterLevel < 2 [L984] retValue_acc = 1 [L985] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR getWaterLevel() [L971] int retValue_acc ; [L974] retValue_acc = waterLevel [L975] return (retValue_acc); [L732] RET, EXPR getWaterLevel() [L732] tmp = getWaterLevel() [L734] COND TRUE tmp != 2 [L736] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L736] RET, EXPR isPumpRunning() [L736] tmp___0 = isPumpRunning() [L738] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L327] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 280]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L707] int switchedOnBeforeTS ; [L756] int cleanupTimeShifts = 4; [L900] int waterLevel = 1; [L901] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L833] int retValue_acc ; [L834] int tmp ; [L838] FCALL select_helpers() [L839] FCALL select_features() [L840] CALL, EXPR valid_product() [L891] int retValue_acc ; [L894] retValue_acc = 1 [L895] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L840] RET, EXPR valid_product() [L840] tmp = valid_product() [L842] COND TRUE \read(tmp) [L844] FCALL setup() [L845] CALL runTest() [L823] CALL __utac_acc__Specification5_spec__1() [L712] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L823] RET __utac_acc__Specification5_spec__1() [L824] CALL test() [L271] int splverifierCounter ; [L272] int tmp ; [L273] int tmp___0 ; [L274] int tmp___1 ; [L275] int tmp___2 ; [L278] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE splverifierCounter < 4 [L288] tmp = __VERIFIER_nondet_int() [L290] COND FALSE !(\read(tmp)) [L298] tmp___0 = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp___0)) [L308] tmp___2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp___2) [L312] CALL startSystem() [L262] systemActive = 1 [L312] RET startSystem() [L327] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L721] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L721] RET, EXPR isPumpRunning() [L721] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L980] int retValue_acc ; [L983] COND TRUE waterLevel < 2 [L984] retValue_acc = 1 [L985] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR getWaterLevel() [L971] int retValue_acc ; [L974] retValue_acc = waterLevel [L975] return (retValue_acc); [L732] RET, EXPR getWaterLevel() [L732] tmp = getWaterLevel() [L734] COND TRUE tmp != 2 [L736] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L736] RET, EXPR isPumpRunning() [L736] tmp___0 = isPumpRunning() [L738] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L327] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:31:44,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)