./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product06.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 c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:18,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:18,542 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:18,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:18,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:18,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:18,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:18,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:18,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:18,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:18,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:18,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:18,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:18,591 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:18,591 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:18,592 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:18,592 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:18,592 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:18,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:18,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:18,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:18,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:18,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:18,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:18,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:18,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:18,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:18,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:18,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:18,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:18,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:18,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:18,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:18,596 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:18,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:18,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:18,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:18,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:18,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:18,599 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:18,599 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 [2024-11-17 08:48:18,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:18,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:18,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:18,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:18,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:18,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2024-11-17 08:48:20,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:20,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:20,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2024-11-17 08:48:20,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a31b456/f7c5e2df4de049ed8cda4105aa5c4908/FLAGbcc6af213 [2024-11-17 08:48:20,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a31b456/f7c5e2df4de049ed8cda4105aa5c4908 [2024-11-17 08:48:20,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:20,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:20,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:20,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:20,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:20,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:20" (1/1) ... [2024-11-17 08:48:20,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161ff776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:20, skipping insertion in model container [2024-11-17 08:48:20,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:20" (1/1) ... [2024-11-17 08:48:20,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:21,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:21,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:21,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-17 08:48:21,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-11-17 08:48:21,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [173] [2024-11-17 08:48:21,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [243] [2024-11-17 08:48:21,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [393] [2024-11-17 08:48:21,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [491] [2024-11-17 08:48:21,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [541] [2024-11-17 08:48:21,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] [2024-11-17 08:48:21,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:21,424 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:21,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21 WrapperNode [2024-11-17 08:48:21,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:21,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:21,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:21,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:21,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,486 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 58, statements flattened = 350 [2024-11-17 08:48:21,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:21,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:21,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:21,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:21,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,526 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:48:21,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:21,547 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:21,547 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:21,547 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:21,548 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:21,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:48:21,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:48:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:21,715 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:21,717 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:22,106 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: valid_product_#res#1 := valid_product_~retValue_acc~3#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L337-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L488-1: main_#res#1 := main_~retValue_acc~6#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:22,108 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-17 08:48:22,130 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:22,130 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:22,145 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:22,149 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:22,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22 BoogieIcfgContainer [2024-11-17 08:48:22,150 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:22,151 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:22,152 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:22,156 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:22,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,157 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:20" (1/3) ... [2024-11-17 08:48:22,158 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cfb0a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:22, skipping insertion in model container [2024-11-17 08:48:22,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (2/3) ... [2024-11-17 08:48:22,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cfb0a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:22, skipping insertion in model container [2024-11-17 08:48:22,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22" (3/3) ... [2024-11-17 08:48:22,161 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2024-11-17 08:48:22,211 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:22,211 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:22,211 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:22,212 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:22,212 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:22,212 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:22,212 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:22,212 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:22,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:22,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-17 08:48:22,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:22,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:22,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,244 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] [2024-11-17 08:48:22,244 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:22,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:22,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-17 08:48:22,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:22,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:22,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,256 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] [2024-11-17 08:48:22,261 INFO L745 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 23#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~6#1, main_~tmp~2#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 8#L161true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 78#L154true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 47#L169true assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 109#L478true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 34#L453true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 37#L499true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 102#L187true [2024-11-17 08:48:22,263 INFO L747 eck$LassoCheckResult]: Loop: 102#L187true assume true; 86#L187-1true assume !false; 9#test_while_0_continue#1true assume true; 75#L189true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 59#L197true assume !(0 != test_~tmp~0#1); 60#L205true havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 57#L207true assume !(0 != test_~tmp___0~0#1); 112#L215true havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 16#L217true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet13#1;test_~tmp___1~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 29#L225true assume 0 != test_~tmp___1~0#1; 113#L232true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 87#L345-5true assume true;__utac_acc__Specification5_spec__2_#t~ret25#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25#1;havoc __utac_acc__Specification5_spec__2_#t~ret25#1; 67#L509-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 81#L260-2true assume !(0 != ~pumpRunning~0); 74#L267-2true assume !(0 != ~systemActive~0); 96#L275-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 84#L131-2true assume true;__utac_acc__Specification5_spec__3_#t~ret26#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret26#1;havoc __utac_acc__Specification5_spec__3_#t~ret26#1; 61#L520-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 11#L538-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 105#L277-2true assume true;assume { :end_inline_timeShift } true; 102#L187true [2024-11-17 08:48:22,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,273 INFO L85 PathProgramCache]: Analyzing trace with hash -65508838, now seen corresponding path program 1 times [2024-11-17 08:48:22,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018289647] [2024-11-17 08:48:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash 368901043, now seen corresponding path program 1 times [2024-11-17 08:48:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367344509] [2024-11-17 08:48:22,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1498652852, now seen corresponding path program 1 times [2024-11-17 08:48:22,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808376279] [2024-11-17 08:48:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:22,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:22,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808376279] [2024-11-17 08:48:22,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808376279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:22,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:22,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:48:22,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235829467] [2024-11-17 08:48:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:22,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:22,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:22,812 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 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 9.333333333333334) internal successors, (28), 2 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) [2024-11-17 08:48:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:22,856 INFO L93 Difference]: Finished difference Result 106 states and 132 transitions. [2024-11-17 08:48:22,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 132 transitions. [2024-11-17 08:48:22,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-17 08:48:22,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 95 states and 120 transitions. [2024-11-17 08:48:22,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2024-11-17 08:48:22,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2024-11-17 08:48:22,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 120 transitions. [2024-11-17 08:48:22,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:22,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 120 transitions. [2024-11-17 08:48:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 120 transitions. [2024-11-17 08:48:22,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-17 08:48:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.263157894736842) internal successors, (120), 94 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 120 transitions. [2024-11-17 08:48:22,899 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 120 transitions. [2024-11-17 08:48:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:22,905 INFO L425 stractBuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2024-11-17 08:48:22,909 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:22,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 120 transitions. [2024-11-17 08:48:22,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-17 08:48:22,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:22,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:22,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,912 INFO L745 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 295#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~6#1, main_~tmp~2#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 257#L161 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 258#L154 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 288#L169 assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 321#L478 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 313#L453 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 314#L499 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 316#L187 [2024-11-17 08:48:22,912 INFO L747 eck$LassoCheckResult]: Loop: 316#L187 assume true; 301#L187-1 assume !false; 263#test_while_0_continue#1 assume true; 264#L189 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 245#L197 assume !(0 != test_~tmp~0#1); 246#L205 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 240#L207 assume !(0 != test_~tmp___0~0#1); 241#L215 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 282#L217 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 283#L390 assume true;assume { :end_inline_startSystem } true; 290#L232 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 302#L345-5 assume true;__utac_acc__Specification5_spec__2_#t~ret25#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25#1;havoc __utac_acc__Specification5_spec__2_#t~ret25#1; 261#L509-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 262#L260-2 assume !(0 != ~pumpRunning~0); 277#L267-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 280#L292-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 303#L284-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 233#L310-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 234#L275-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 298#L131-2 assume true;__utac_acc__Specification5_spec__3_#t~ret26#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret26#1;havoc __utac_acc__Specification5_spec__3_#t~ret26#1; 247#L520-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 249#L538-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 274#L277-2 assume true;assume { :end_inline_timeShift } true; 316#L187 [2024-11-17 08:48:22,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,913 INFO L85 PathProgramCache]: Analyzing trace with hash -65508838, now seen corresponding path program 2 times [2024-11-17 08:48:22,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946277126] [2024-11-17 08:48:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,954 INFO L85 PathProgramCache]: Analyzing trace with hash 943750594, now seen corresponding path program 1 times [2024-11-17 08:48:22,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742799956] [2024-11-17 08:48:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1652017033, now seen corresponding path program 1 times [2024-11-17 08:48:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824664770] [2024-11-17 08:48:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:23,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:23,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824664770] [2024-11-17 08:48:23,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824664770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:23,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:23,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:48:23,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216378413] [2024-11-17 08:48:23,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:23,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:23,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:23,214 INFO L87 Difference]: Start difference. First operand 95 states and 120 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:23,342 INFO L93 Difference]: Finished difference Result 178 states and 221 transitions. [2024-11-17 08:48:23,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 221 transitions. [2024-11-17 08:48:23,344 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-17 08:48:23,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 178 states and 221 transitions. [2024-11-17 08:48:23,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2024-11-17 08:48:23,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2024-11-17 08:48:23,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 221 transitions. [2024-11-17 08:48:23,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:23,354 INFO L218 hiAutomatonCegarLoop]: Abstraction has 178 states and 221 transitions. [2024-11-17 08:48:23,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 221 transitions. [2024-11-17 08:48:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-17 08:48:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.2415730337078652) internal successors, (221), 177 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 221 transitions. [2024-11-17 08:48:23,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 221 transitions. [2024-11-17 08:48:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:23,372 INFO L425 stractBuchiCegarLoop]: Abstraction has 178 states and 221 transitions. [2024-11-17 08:48:23,372 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:23,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 221 transitions. [2024-11-17 08:48:23,374 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2024-11-17 08:48:23,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:23,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:23,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,375 INFO L745 eck$LassoCheckResult]: Stem: 608#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 583#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~6#1, main_~tmp~2#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 541#L161 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 542#L154 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 575#L169 assume true;main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 611#L478 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 602#L453 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 603#L499 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 605#L187 [2024-11-17 08:48:23,376 INFO L747 eck$LassoCheckResult]: Loop: 605#L187 assume true; 589#L187-1 assume !false; 549#test_while_0_continue#1 assume true; 550#L189 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 532#L197 assume !(0 != test_~tmp~0#1); 533#L205 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 527#L207 assume !(0 != test_~tmp___0~0#1); 528#L215 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 569#L217 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 570#L390 assume true;assume { :end_inline_startSystem } true; 577#L232 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 590#L345-5 assume true;__utac_acc__Specification5_spec__2_#t~ret25#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25#1;havoc __utac_acc__Specification5_spec__2_#t~ret25#1; 547#L509-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret25#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 548#L260-2 assume !(0 != ~pumpRunning~0); 566#L267-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 567#L292-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 591#L284-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 520#L310-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 521#L275-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 586#L131-2 assume true;__utac_acc__Specification5_spec__3_#t~ret26#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret26#1;havoc __utac_acc__Specification5_spec__3_#t~ret26#1; 534#L520-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 535#L345-4 assume true;__utac_acc__Specification5_spec__3_#t~ret27#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret27#1;havoc __utac_acc__Specification5_spec__3_#t~ret27#1; 592#L524-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 559#L538-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret26#1, __utac_acc__Specification5_spec__3_#t~ret27#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 560#L277-2 assume true;assume { :end_inline_timeShift } true; 605#L187 [2024-11-17 08:48:23,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash -65508838, now seen corresponding path program 3 times [2024-11-17 08:48:23,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895857431] [2024-11-17 08:48:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash 705610784, now seen corresponding path program 1 times [2024-11-17 08:48:23,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570389927] [2024-11-17 08:48:23,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1550141401, now seen corresponding path program 1 times [2024-11-17 08:48:23,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497039865] [2024-11-17 08:48:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:24,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:24,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:24 BoogieIcfgContainer [2024-11-17 08:48:24,478 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:24,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:24,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:24,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:24,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22" (3/4) ... [2024-11-17 08:48:24,481 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:24,540 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:24,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:24,541 INFO L158 Benchmark]: Toolchain (without parser) took 3692.33ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 111.4MB in the beginning and 109.8MB in the end (delta: 1.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,541 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:24,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.03ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 132.7MB in the end (delta: -21.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.08ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 129.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,542 INFO L158 Benchmark]: Boogie Preprocessor took 58.82ms. Allocated memory is still 172.0MB. Free memory was 129.7MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,542 INFO L158 Benchmark]: IcfgBuilder took 603.65ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 105.4MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,542 INFO L158 Benchmark]: BuchiAutomizer took 2326.53ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 104.7MB in the beginning and 113.0MB in the end (delta: -8.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,543 INFO L158 Benchmark]: Witness Printer took 61.48ms. Allocated memory is still 232.8MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.03ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 132.7MB in the end (delta: -21.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.08ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 129.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.82ms. Allocated memory is still 172.0MB. Free memory was 129.7MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 603.65ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 105.4MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2326.53ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 104.7MB in the beginning and 113.0MB in the end (delta: -8.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 61.48ms. Allocated memory is still 232.8MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [173] - GenericResultAtLocation [Line: 243]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [243] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [393] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [491] - GenericResultAtLocation [Line: 541]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [541] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 178 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 636 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 367 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 269 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 187]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L248] int pumpRunning = 0; [L249] int systemActive = 1; [L394] int cleanupTimeShifts = 4; [L493] int switchedOnBeforeTS ; [L711] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L469] int retValue_acc ; [L470] int tmp ; [L474] FCALL select_helpers() [L475] FCALL select_features() [L476] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L476] RET, EXPR valid_product() [L476] tmp = valid_product() [L478] COND TRUE \read(tmp) [L480] FCALL setup() [L481] CALL runTest() [L462] CALL __utac_acc__Specification5_spec__1() [L498] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L462] RET __utac_acc__Specification5_spec__1() [L463] CALL test() [L178] int splverifierCounter ; [L179] int tmp ; [L180] int tmp___0 ; [L181] int tmp___1 ; [L182] int tmp___2 ; [L185] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L187] COND TRUE 1 [L189] COND TRUE splverifierCounter < 4 [L195] tmp = __VERIFIER_nondet_int() [L197] COND FALSE !(\read(tmp)) [L205] tmp___0 = __VERIFIER_nondet_int() [L207] COND FALSE !(\read(tmp___0)) [L215] tmp___2 = __VERIFIER_nondet_int() [L217] COND TRUE \read(tmp___2) [L219] CALL startSystem() [L389] systemActive = 1 [L219] RET startSystem() [L232] CALL timeShift() [L258] CALL __utac_acc__Specification5_spec__2() [L507] CALL, EXPR isPumpRunning() [L341] int retValue_acc ; [L344] retValue_acc = pumpRunning [L345] return (retValue_acc); [L507] RET, EXPR isPumpRunning() [L507] switchedOnBeforeTS = isPumpRunning() [L258] RET __utac_acc__Specification5_spec__2() [L260] COND FALSE !(\read(pumpRunning)) [L267] COND TRUE \read(systemActive) [L269] CALL processEnvironment() [L289] int tmp ; [L292] COND FALSE !(\read(pumpRunning)) [L307] FCALL processEnvironment__wrappee__base() [L269] RET processEnvironment() [L275] CALL __utac_acc__Specification5_spec__3() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND TRUE tmp != 2 [L522] CALL, EXPR isPumpRunning() [L341] int retValue_acc ; [L344] retValue_acc = pumpRunning [L345] return (retValue_acc); [L522] RET, EXPR isPumpRunning() [L522] tmp___0 = isPumpRunning() [L524] COND FALSE !(\read(tmp___0)) [L275] RET __utac_acc__Specification5_spec__3() [L232] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 187]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L248] int pumpRunning = 0; [L249] int systemActive = 1; [L394] int cleanupTimeShifts = 4; [L493] int switchedOnBeforeTS ; [L711] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L469] int retValue_acc ; [L470] int tmp ; [L474] FCALL select_helpers() [L475] FCALL select_features() [L476] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L476] RET, EXPR valid_product() [L476] tmp = valid_product() [L478] COND TRUE \read(tmp) [L480] FCALL setup() [L481] CALL runTest() [L462] CALL __utac_acc__Specification5_spec__1() [L498] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L462] RET __utac_acc__Specification5_spec__1() [L463] CALL test() [L178] int splverifierCounter ; [L179] int tmp ; [L180] int tmp___0 ; [L181] int tmp___1 ; [L182] int tmp___2 ; [L185] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L187] COND TRUE 1 [L189] COND TRUE splverifierCounter < 4 [L195] tmp = __VERIFIER_nondet_int() [L197] COND FALSE !(\read(tmp)) [L205] tmp___0 = __VERIFIER_nondet_int() [L207] COND FALSE !(\read(tmp___0)) [L215] tmp___2 = __VERIFIER_nondet_int() [L217] COND TRUE \read(tmp___2) [L219] CALL startSystem() [L389] systemActive = 1 [L219] RET startSystem() [L232] CALL timeShift() [L258] CALL __utac_acc__Specification5_spec__2() [L507] CALL, EXPR isPumpRunning() [L341] int retValue_acc ; [L344] retValue_acc = pumpRunning [L345] return (retValue_acc); [L507] RET, EXPR isPumpRunning() [L507] switchedOnBeforeTS = isPumpRunning() [L258] RET __utac_acc__Specification5_spec__2() [L260] COND FALSE !(\read(pumpRunning)) [L267] COND TRUE \read(systemActive) [L269] CALL processEnvironment() [L289] int tmp ; [L292] COND FALSE !(\read(pumpRunning)) [L307] FCALL processEnvironment__wrappee__base() [L269] RET processEnvironment() [L275] CALL __utac_acc__Specification5_spec__3() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND TRUE tmp != 2 [L522] CALL, EXPR isPumpRunning() [L341] int retValue_acc ; [L344] retValue_acc = pumpRunning [L345] return (retValue_acc); [L522] RET, EXPR isPumpRunning() [L522] tmp___0 = isPumpRunning() [L524] COND FALSE !(\read(tmp___0)) [L275] RET __utac_acc__Specification5_spec__3() [L232] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:24,569 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)