./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product10.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_product10.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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:31:23,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:31:23,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:31:23,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:31:23,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:31:23,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:31:23,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:31:23,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:31:23,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:31:23,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:31:23,614 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:31:23,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:31:23,615 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:31:23,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:31:23,615 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:31:23,616 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:31:23,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:31:23,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:31:23,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:31:23,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:31:23,617 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:31:23,617 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 -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2025-03-09 07:31:23,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:31:23,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:31:23,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:31:23,836 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:31:23,836 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:31:23,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2025-03-09 07:31:24,948 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/333c4133e/9e4cb38386e742a3be948a453e79b296/FLAG005db3158 [2025-03-09 07:31:25,185 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:31:25,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2025-03-09 07:31:25,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/333c4133e/9e4cb38386e742a3be948a453e79b296/FLAG005db3158 [2025-03-09 07:31:25,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/333c4133e/9e4cb38386e742a3be948a453e79b296 [2025-03-09 07:31:25,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:31:25,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:31:25,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:25,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:31:25,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:31:25,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb8181b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25, skipping insertion in model container [2025-03-09 07:31:25,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:31:25,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:25,401 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:31:25,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-03-09 07:31:25,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-03-09 07:31:25,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] [2025-03-09 07:31:25,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] [2025-03-09 07:31:25,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] [2025-03-09 07:31:25,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] [2025-03-09 07:31:25,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] [2025-03-09 07:31:25,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] [2025-03-09 07:31:25,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:25,472 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:31:25,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25 WrapperNode [2025-03-09 07:31:25,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:25,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:25,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:31:25,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:31:25,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,517 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 43, statements flattened = 265 [2025-03-09 07:31:25,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:25,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:31:25,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:31:25,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:31:25,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,545 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 07:31:25,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:31:25,559 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:31:25,559 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:31:25,559 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:31:25,560 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (1/1) ... [2025-03-09 07:31:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:31:25,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:31:25,591 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 07:31:25,594 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 07:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:31:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:31:25,670 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:31:25,672 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:31:25,883 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-09 07:31:25,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L902-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:31:25,898 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-03-09 07:31:25,899 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:31:25,910 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:31:25,910 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:31:25,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:25 BoogieIcfgContainer [2025-03-09 07:31:25,911 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:31:25,912 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:31:25,912 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:31:25,916 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:31:25,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:25,916 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:31:25" (1/3) ... [2025-03-09 07:31:25,917 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ed5095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:25, skipping insertion in model container [2025-03-09 07:31:25,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:25,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:25" (2/3) ... [2025-03-09 07:31:25,917 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ed5095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:25, skipping insertion in model container [2025-03-09 07:31:25,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:25,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:25" (3/3) ... [2025-03-09 07:31:25,918 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2025-03-09 07:31:25,949 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:31:25,949 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:31:25,949 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:31:25,949 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:31:25,950 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:31:25,950 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:31:25,950 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:31:25,950 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:31:25,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 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 07:31:25,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2025-03-09 07:31:25,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:25,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:25,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:25,975 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 07:31:25,975 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:31:25,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 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 07:31:25,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2025-03-09 07:31:25,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:25,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:25,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:25,980 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 07:31:25,984 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#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 07:31:25,984 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#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~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:25,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 1 times [2025-03-09 07:31:25,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:25,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147555011] [2025-03-09 07:31:25,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,058 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:26,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1555406714, now seen corresponding path program 1 times [2025-03-09 07:31:26,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902741192] [2025-03-09 07:31:26,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:31:26,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:31:26,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:26,136 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 07:31:26,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:26,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902741192] [2025-03-09 07:31:26,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902741192] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:26,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:26,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:31:26,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895777699] [2025-03-09 07:31:26,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:26,140 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:31:26,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:26,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:31:26,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:31:26,158 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 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 07:31:26,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:26,180 INFO L93 Difference]: Finished difference Result 79 states and 99 transitions. [2025-03-09 07:31:26,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 99 transitions. [2025-03-09 07:31:26,183 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2025-03-09 07:31:26,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 69 states and 88 transitions. [2025-03-09 07:31:26,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2025-03-09 07:31:26,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2025-03-09 07:31:26,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2025-03-09 07:31:26,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:26,189 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 88 transitions. [2025-03-09 07:31:26,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2025-03-09 07:31:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-03-09 07:31:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 68 states have internal predecessors, (88), 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 07:31:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2025-03-09 07:31:26,210 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 88 transitions. [2025-03-09 07:31:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:31:26,213 INFO L432 stractBuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2025-03-09 07:31:26,213 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:31:26,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 88 transitions. [2025-03-09 07:31:26,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2025-03-09 07:31:26,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:26,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:26,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:26,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:26,217 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#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 07:31:26,218 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:26,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 2 times [2025-03-09 07:31:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976891324] [2025-03-09 07:31:26,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:31:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,230 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,231 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:31:26,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,231 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:26,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1973902473, now seen corresponding path program 1 times [2025-03-09 07:31:26,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110486203] [2025-03-09 07:31:26,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:26,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:31:26,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:31:26,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,253 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:31:26,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:31:26,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:26,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1027609442, now seen corresponding path program 1 times [2025-03-09 07:31:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025677939] [2025-03-09 07:31:26,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 07:31:26,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 07:31:26,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:26,471 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 07:31:26,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:26,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025677939] [2025-03-09 07:31:26,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025677939] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:26,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:26,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 07:31:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514736145] [2025-03-09 07:31:26,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:26,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:26,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 07:31:26,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 07:31:26,572 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:31:26,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:26,659 INFO L93 Difference]: Finished difference Result 126 states and 157 transitions. [2025-03-09 07:31:26,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 157 transitions. [2025-03-09 07:31:26,661 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 84 [2025-03-09 07:31:26,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 157 transitions. [2025-03-09 07:31:26,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2025-03-09 07:31:26,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2025-03-09 07:31:26,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 157 transitions. [2025-03-09 07:31:26,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:26,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 157 transitions. [2025-03-09 07:31:26,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 157 transitions. [2025-03-09 07:31:26,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-09 07:31:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.246031746031746) internal successors, (157), 125 states have internal predecessors, (157), 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 07:31:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 157 transitions. [2025-03-09 07:31:26,668 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 157 transitions. [2025-03-09 07:31:26,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 07:31:26,671 INFO L432 stractBuchiCegarLoop]: Abstraction has 126 states and 157 transitions. [2025-03-09 07:31:26,671 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:31:26,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 157 transitions. [2025-03-09 07:31:26,672 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 84 [2025-03-09 07:31:26,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:26,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:26,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:26,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:26,675 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#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 07:31:26,676 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1;" "__utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:26,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1770394854, now seen corresponding path program 3 times [2025-03-09 07:31:26,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779218512] [2025-03-09 07:31:26,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:31:26,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,691 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,691 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:31:26,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,691 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:26,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:26,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:26,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1455880153, now seen corresponding path program 1 times [2025-03-09 07:31:26,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295541112] [2025-03-09 07:31:26,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 07:31:26,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 07:31:26,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,705 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 07:31:26,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 07:31:26,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:26,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:26,709 INFO L85 PathProgramCache]: Analyzing trace with hash -310416192, now seen corresponding path program 1 times [2025-03-09 07:31:26,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293546016] [2025-03-09 07:31:26,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:26,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:31:26,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:31:26,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,717 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:26,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:31:26,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:31:26,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:26,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:26,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:27,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:27,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:27,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:27,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:27,457 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:27,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:27,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:27,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:27,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:27,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:31:27 BoogieIcfgContainer [2025-03-09 07:31:27,504 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:31:27,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:31:27,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:31:27,505 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:31:27,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:25" (3/4) ... [2025-03-09 07:31:27,507 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:31:27,538 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:31:27,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:31:27,541 INFO L158 Benchmark]: Toolchain (without parser) took 2332.29ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2025-03-09 07:31:27,541 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:27,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:31:27,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.29ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:27,543 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 85.0MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:27,543 INFO L158 Benchmark]: IcfgBuilder took 352.82ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 66.1MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 07:31:27,544 INFO L158 Benchmark]: BuchiAutomizer took 1592.10ms. Allocated memory is still 142.6MB. Free memory was 66.1MB in the beginning and 100.6MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:27,544 INFO L158 Benchmark]: Witness Printer took 35.63ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 96.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:27,545 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 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.29ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 85.0MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 352.82ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 66.1MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1592.10ms. Allocated memory is still 142.6MB. Free memory was 66.1MB in the beginning and 100.6MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.63ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 96.5MB in the end (delta: 4.1MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] - GenericResultAtLocation [Line: 660]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] - GenericResultAtLocation [Line: 808]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] * 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 249 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 193 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 604]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int switchedOnBeforeTS ; [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L664] int pumpRunning = 0; [L665] int systemActive = 1; [L809] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] int retValue_acc ; [L884] int tmp ; [L888] FCALL select_helpers() [L889] FCALL select_features() [L890] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L890] RET, EXPR valid_product() [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L894] FCALL setup() [L895] CALL runTest() [L876] CALL __utac_acc__Specification5_spec__1() [L181] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] RET __utac_acc__Specification5_spec__1() [L877] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND FALSE !(\read(tmp___2)) [L640] tmp___1 = __VERIFIER_nondet_int() [L642] COND TRUE \read(tmp___1) [L649] CALL timeShift() [L672] CALL __utac_acc__Specification5_spec__2() [L190] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] RET, EXPR isPumpRunning() [L190] switchedOnBeforeTS = isPumpRunning() [L672] RET __utac_acc__Specification5_spec__2() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L683] FCALL processEnvironment() [L689] CALL __utac_acc__Specification5_spec__3() [L196] int tmp ; [L197] int tmp___0 ; [L201] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] RET, EXPR getWaterLevel() [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L205] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] RET, EXPR isPumpRunning() [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) [L689] RET __utac_acc__Specification5_spec__3() [L649] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 604]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int switchedOnBeforeTS ; [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L664] int pumpRunning = 0; [L665] int systemActive = 1; [L809] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] int retValue_acc ; [L884] int tmp ; [L888] FCALL select_helpers() [L889] FCALL select_features() [L890] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L890] RET, EXPR valid_product() [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L894] FCALL setup() [L895] CALL runTest() [L876] CALL __utac_acc__Specification5_spec__1() [L181] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] RET __utac_acc__Specification5_spec__1() [L877] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND FALSE !(\read(tmp___2)) [L640] tmp___1 = __VERIFIER_nondet_int() [L642] COND TRUE \read(tmp___1) [L649] CALL timeShift() [L672] CALL __utac_acc__Specification5_spec__2() [L190] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] RET, EXPR isPumpRunning() [L190] switchedOnBeforeTS = isPumpRunning() [L672] RET __utac_acc__Specification5_spec__2() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L683] FCALL processEnvironment() [L689] CALL __utac_acc__Specification5_spec__3() [L196] int tmp ; [L197] int tmp___0 ; [L201] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] RET, EXPR getWaterLevel() [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L205] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] RET, EXPR isPumpRunning() [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) [L689] RET __utac_acc__Specification5_spec__3() [L649] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:31:27,560 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)