./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:46:26,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:46:26,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:46:26,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:46:26,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:46:26,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:46:26,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:46:26,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:46:26,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:46:26,756 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:46:26,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:46:26,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:46:26,757 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:46:26,757 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:46:26,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:46:26,758 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:46:26,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:46:26,760 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:46:26,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:46:26,760 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:46:26,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:46:26,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:46:26,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:46:26,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:46:26,761 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:46:26,761 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea [2025-01-10 07:46:27,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:46:27,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:46:27,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:46:27,023 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:46:27,023 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:46:27,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2025-01-10 07:46:28,444 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d53c9643a/528ddf3cd6b24c62b616d4c1d1d1f7e5/FLAG30bdab7dd [2025-01-10 07:46:28,754 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:46:28,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2025-01-10 07:46:28,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d53c9643a/528ddf3cd6b24c62b616d4c1d1d1f7e5/FLAG30bdab7dd [2025-01-10 07:46:28,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d53c9643a/528ddf3cd6b24c62b616d4c1d1d1f7e5 [2025-01-10 07:46:28,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:46:28,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:46:28,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:46:28,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:46:28,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:46:28,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:46:28" (1/1) ... [2025-01-10 07:46:28,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a707027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:28, skipping insertion in model container [2025-01-10 07:46:28,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:46:28" (1/1) ... [2025-01-10 07:46:28,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:46:28,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:46:28,987 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:46:28,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768] [2025-01-10 07:46:28,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849] [2025-01-10 07:46:29,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:46:29,054 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:46:29,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29 WrapperNode [2025-01-10 07:46:29,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:46:29,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:46:29,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:46:29,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:46:29,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,102 INFO L138 Inliner]: procedures = 50, calls = 94, calls flagged for inlining = 47, calls inlined = 53, statements flattened = 336 [2025-01-10 07:46:29,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:46:29,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:46:29,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:46:29,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:46:29,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,125 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]. [2025-01-10 07:46:29,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:46:29,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:46:29,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:46:29,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:46:29,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (1/1) ... [2025-01-10 07:46:29,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:46:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:46:29,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:46:29,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:46:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:46:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:46:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:46:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:46:29,242 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:46:29,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:46:29,460 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-01-10 07:46:29,460 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:46:29,468 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:46:29,468 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:46:29,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:29 BoogieIcfgContainer [2025-01-10 07:46:29,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:46:29,469 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:46:29,469 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:46:29,473 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:46:29,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:29,474 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:46:28" (1/3) ... [2025-01-10 07:46:29,474 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383a722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:46:29, skipping insertion in model container [2025-01-10 07:46:29,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:29,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:29" (2/3) ... [2025-01-10 07:46:29,475 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383a722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:46:29, skipping insertion in model container [2025-01-10 07:46:29,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:29,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:29" (3/3) ... [2025-01-10 07:46:29,476 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2025-01-10 07:46:29,516 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:46:29,516 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:46:29,516 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:46:29,516 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:46:29,516 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:46:29,516 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:46:29,517 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:46:29,517 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:46:29,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2025-01-10 07:46:29,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-01-10 07:46:29,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:29,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:29,537 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:29,537 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:29,537 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:46:29,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2025-01-10 07:46:29,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-01-10 07:46:29,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:29,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:29,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:29,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:29,545 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:46:29,545 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:46:29,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:46:29,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:29,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258099658] [2025-01-10 07:46:29,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:29,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:29,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:29,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:29,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:29,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:29,630 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:29,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:29,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:29,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:29,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:29,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:29,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1562083652, now seen corresponding path program 1 times [2025-01-10 07:46:29,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:29,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941564708] [2025-01-10 07:46:29,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:29,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:46:29,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:46:29,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:29,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:29,681 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:29,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:46:29,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:46:29,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:29,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:29,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1605806848, now seen corresponding path program 1 times [2025-01-10 07:46:29,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:29,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820046324] [2025-01-10 07:46:29,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:29,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:29,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 07:46:29,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 07:46:29,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:29,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:46:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:46:29,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:46:29,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820046324] [2025-01-10 07:46:29,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820046324] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:46:29,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:46:29,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:46:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996909526] [2025-01-10 07:46:29,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:46:29,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:46:29,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:46:29,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:46:29,996 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:46:30,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:46:30,080 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2025-01-10 07:46:30,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2025-01-10 07:46:30,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-01-10 07:46:30,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2025-01-10 07:46:30,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2025-01-10 07:46:30,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2025-01-10 07:46:30,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2025-01-10 07:46:30,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:46:30,089 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:46:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2025-01-10 07:46:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-01-10 07:46:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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) [2025-01-10 07:46:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2025-01-10 07:46:30,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:46:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:46:30,111 INFO L432 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:46:30,111 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:46:30,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2025-01-10 07:46:30,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-01-10 07:46:30,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:30,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:30,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:30,116 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:30,116 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:46:30,116 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:46:30,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:46:30,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446556976] [2025-01-10 07:46:30,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:46:30,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:30,126 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:30,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:46:30,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,127 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:30,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:30,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:30,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:30,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1622478977, now seen corresponding path program 1 times [2025-01-10 07:46:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123795164] [2025-01-10 07:46:30,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:46:30,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:46:30,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,138 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:30,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:46:30,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:46:30,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:30,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1489846971, now seen corresponding path program 1 times [2025-01-10 07:46:30,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601722686] [2025-01-10 07:46:30,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:46:30,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:46:30,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:46:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:46:30,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:46:30,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601722686] [2025-01-10 07:46:30,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601722686] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:46:30,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:46:30,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 07:46:30,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272301010] [2025-01-10 07:46:30,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:46:30,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:46:30,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 07:46:30,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 07:46:30,276 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:46:30,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:46:30,375 INFO L93 Difference]: Finished difference Result 167 states and 213 transitions. [2025-01-10 07:46:30,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 213 transitions. [2025-01-10 07:46:30,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2025-01-10 07:46:30,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 167 states and 213 transitions. [2025-01-10 07:46:30,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2025-01-10 07:46:30,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2025-01-10 07:46:30,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 213 transitions. [2025-01-10 07:46:30,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:46:30,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 213 transitions. [2025-01-10 07:46:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 213 transitions. [2025-01-10 07:46:30,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-01-10 07:46:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 167 states have (on average 1.2754491017964071) internal successors, (213), 166 states have internal predecessors, (213), 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) [2025-01-10 07:46:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 213 transitions. [2025-01-10 07:46:30,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 167 states and 213 transitions. [2025-01-10 07:46:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:46:30,390 INFO L432 stractBuchiCegarLoop]: Abstraction has 167 states and 213 transitions. [2025-01-10 07:46:30,390 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:46:30,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 213 transitions. [2025-01-10 07:46:30,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2025-01-10 07:46:30,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:30,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:30,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:30,394 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] [2025-01-10 07:46:30,394 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:46:30,394 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:46:30,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2025-01-10 07:46:30,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041347968] [2025-01-10 07:46:30,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:46:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:30,402 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:30,402 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:46:30,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,402 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:30,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:30,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:30,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:30,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 130359830, now seen corresponding path program 1 times [2025-01-10 07:46:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723639110] [2025-01-10 07:46:30,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:46:30,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:46:30,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,416 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:30,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:46:30,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:46:30,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:30,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1517638182, now seen corresponding path program 1 times [2025-01-10 07:46:30,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:30,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756354410] [2025-01-10 07:46:30,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:30,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:46:30,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:46:30,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,431 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:30,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:46:30,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:46:30,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:30,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:30,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:31,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:31,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:31,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:31,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:31,265 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:31,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:46:31,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:46:31,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:31,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:31,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:46:31 BoogieIcfgContainer [2025-01-10 07:46:31,326 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:46:31,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:46:31,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:46:31,327 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:46:31,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:29" (3/4) ... [2025-01-10 07:46:31,329 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:46:31,362 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:46:31,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:46:31,363 INFO L158 Benchmark]: Toolchain (without parser) took 2584.45ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 93.4MB in the end (delta: 18.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2025-01-10 07:46:31,363 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:31,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.61ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 93.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:46:31,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.46ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:31,363 INFO L158 Benchmark]: Boogie Preprocessor took 38.63ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:46:31,364 INFO L158 Benchmark]: RCFGBuilder took 325.57ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 71.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:46:31,364 INFO L158 Benchmark]: BuchiAutomizer took 1857.27ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 96.2MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:31,364 INFO L158 Benchmark]: Witness Printer took 35.00ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 93.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:46:31,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.61ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 93.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.46ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.63ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 325.57ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 71.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1857.27ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 96.2MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.00ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 93.4MB in the end (delta: 2.8MB). 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,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 238]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238] - GenericResultAtLocation [Line: 306]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306] - GenericResultAtLocation [Line: 402]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402] - GenericResultAtLocation [Line: 768]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 167 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 514 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 214 mSDtfsCounter, 79 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: 254]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] 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, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L254] COND TRUE splverifierCounter < 4 [L260] tmp = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp)) [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) [L295] CALL timeShift() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L122] CALL processEnvironment() [L142] int tmp ; [L145] COND FALSE !(\read(pumpRunning)) [L160] FCALL processEnvironment__wrappee__base() [L122] RET processEnvironment() [L128] CALL __utac_acc__Specification3_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L857] CALL, EXPR isMethaneLevelCritical() [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); [L857] RET, EXPR isMethaneLevelCritical() [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L863] CALL, EXPR getWaterLevel() [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); [L863] RET, EXPR getWaterLevel() [L863] tmp___0 = getWaterLevel() [L865] COND FALSE !(tmp___0 == 2) [L128] RET __utac_acc__Specification3_spec__1() [L295] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 254]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] 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, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L254] COND TRUE splverifierCounter < 4 [L260] tmp = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp)) [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) [L295] CALL timeShift() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L122] CALL processEnvironment() [L142] int tmp ; [L145] COND FALSE !(\read(pumpRunning)) [L160] FCALL processEnvironment__wrappee__base() [L122] RET processEnvironment() [L128] CALL __utac_acc__Specification3_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L857] CALL, EXPR isMethaneLevelCritical() [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); [L857] RET, EXPR isMethaneLevelCritical() [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L863] CALL, EXPR getWaterLevel() [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); [L863] RET, EXPR getWaterLevel() [L863] tmp___0 = getWaterLevel() [L865] COND FALSE !(tmp___0 == 2) [L128] RET __utac_acc__Specification3_spec__1() [L295] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:46:31,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)