./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product58.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_product58.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 ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:47:02,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:47:02,869 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:47:02,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:47:02,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:47:02,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:47:02,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:47:02,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:47:02,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:47:02,898 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:47:02,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:47:02,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:47:02,899 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:47:02,899 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:47:02,899 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:47:02,899 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:47:02,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:47:02,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:47:02,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:47:02,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:47:02,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:47:02,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:47:02,902 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:47:02,902 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 -> ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 [2025-01-10 07:47:03,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:47:03,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:47:03,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:47:03,133 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:47:03,134 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:47:03,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2025-01-10 07:47:04,317 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/479b1d424/a66c73e51c554bc59c3c86e3f640d8c0/FLAGec340971b [2025-01-10 07:47:04,600 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:47:04,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2025-01-10 07:47:04,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/479b1d424/a66c73e51c554bc59c3c86e3f640d8c0/FLAGec340971b [2025-01-10 07:47:04,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/479b1d424/a66c73e51c554bc59c3c86e3f640d8c0 [2025-01-10 07:47:04,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:47:04,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:47:04,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:04,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:47:04,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:47:04,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:04,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f67c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04, skipping insertion in model container [2025-01-10 07:47:04,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:04,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:47:04,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:04,875 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:47:04,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-01-10 07:47:04,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2025-01-10 07:47:04,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2025-01-10 07:47:04,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [554] [2025-01-10 07:47:04,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [563] [2025-01-10 07:47:04,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [672] [2025-01-10 07:47:04,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [707] [2025-01-10 07:47:04,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] [2025-01-10 07:47:04,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:04,961 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:47:04,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04 WrapperNode [2025-01-10 07:47:04,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:04,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:04,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:47:04,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:47:04,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:04,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,003 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 102, statements flattened = 705 [2025-01-10 07:47:05,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:05,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:47:05,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:47:05,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:47:05,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,025 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 07:47:05,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:47:05,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:47:05,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:47:05,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:47:05,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (1/1) ... [2025-01-10 07:47:05,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:47:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:47:05,073 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 07:47:05,077 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 07:47:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:47:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:47:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:47:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:47:05,145 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:47:05,146 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:47:05,547 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2025-01-10 07:47:05,547 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:47:05,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:47:05,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:47:05,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:05 BoogieIcfgContainer [2025-01-10 07:47:05,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:47:05,562 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:47:05,562 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:47:05,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:47:05,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:05,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:47:04" (1/3) ... [2025-01-10 07:47:05,567 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fa44b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:05, skipping insertion in model container [2025-01-10 07:47:05,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:05,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:04" (2/3) ... [2025-01-10 07:47:05,568 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fa44b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:05, skipping insertion in model container [2025-01-10 07:47:05,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:05,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:05" (3/3) ... [2025-01-10 07:47:05,569 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2025-01-10 07:47:05,606 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:47:05,606 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:47:05,607 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:47:05,607 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:47:05,607 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:47:05,607 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:47:05,607 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:47:05,607 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:47:05,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 07:47:05,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2025-01-10 07:47:05,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:05,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:05,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,635 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,635 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:47:05,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 07:47:05,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2025-01-10 07:47:05,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:05,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:05,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,645 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:05,645 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:05,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:47:05,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164402180] [2025-01-10 07:47:05,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:05,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:05,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:05,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:05,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:05,722 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:05,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:05,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:05,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:05,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:05,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:05,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:05,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1490369345, now seen corresponding path program 1 times [2025-01-10 07:47:05,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:05,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273849906] [2025-01-10 07:47:05,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:05,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:05,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 07:47:05,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 07:47:05,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:05,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:47:05,852 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 07:47:05,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:47:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273849906] [2025-01-10 07:47:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273849906] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:47:05,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:47:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:47:05,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137533605] [2025-01-10 07:47:05,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:47:05,856 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:47:05,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:47:05,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:47:05,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:47:05,880 INFO L87 Difference]: Start difference. First operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 07:47:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:47:05,918 INFO L93 Difference]: Finished difference Result 188 states and 247 transitions. [2025-01-10 07:47:05,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 247 transitions. [2025-01-10 07:47:05,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2025-01-10 07:47:05,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 178 states and 236 transitions. [2025-01-10 07:47:05,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2025-01-10 07:47:05,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2025-01-10 07:47:05,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 236 transitions. [2025-01-10 07:47:05,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:47:05,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2025-01-10 07:47:05,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 236 transitions. [2025-01-10 07:47:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2025-01-10 07:47:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.3258426966292134) internal successors, (236), 177 states have internal predecessors, (236), 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 07:47:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2025-01-10 07:47:05,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2025-01-10 07:47:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:47:05,960 INFO L432 stractBuchiCegarLoop]: Abstraction has 178 states and 236 transitions. [2025-01-10 07:47:05,960 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:47:05,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 236 transitions. [2025-01-10 07:47:05,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2025-01-10 07:47:05,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:05,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:05,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:05,963 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:05,963 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:05,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:05,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:47:05,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:05,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871699208] [2025-01-10 07:47:05,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:47:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:05,968 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:05,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:05,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:47:05,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:05,977 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:05,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:05,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:05,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:05,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:05,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:05,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:05,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1875181004, now seen corresponding path program 1 times [2025-01-10 07:47:05,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:05,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148789839] [2025-01-10 07:47:05,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:05,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:05,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 07:47:05,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 07:47:05,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:05,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:47:06,006 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 07:47:06,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:47:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148789839] [2025-01-10 07:47:06,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148789839] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:47:06,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:47:06,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:47:06,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850331175] [2025-01-10 07:47:06,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:47:06,007 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:47:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:47:06,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:47:06,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:47:06,008 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:47:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:47:06,078 INFO L93 Difference]: Finished difference Result 244 states and 312 transitions. [2025-01-10 07:47:06,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 312 transitions. [2025-01-10 07:47:06,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2025-01-10 07:47:06,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 244 states and 312 transitions. [2025-01-10 07:47:06,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 244 [2025-01-10 07:47:06,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 244 [2025-01-10 07:47:06,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 244 states and 312 transitions. [2025-01-10 07:47:06,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:47:06,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 244 states and 312 transitions. [2025-01-10 07:47:06,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states and 312 transitions. [2025-01-10 07:47:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2025-01-10 07:47:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 244 states have (on average 1.278688524590164) internal successors, (312), 243 states have internal predecessors, (312), 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 07:47:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 312 transitions. [2025-01-10 07:47:06,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 244 states and 312 transitions. [2025-01-10 07:47:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:47:06,099 INFO L432 stractBuchiCegarLoop]: Abstraction has 244 states and 312 transitions. [2025-01-10 07:47:06,100 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:47:06,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 312 transitions. [2025-01-10 07:47:06,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2025-01-10 07:47:06,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:06,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:06,104 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:06,104 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:06,104 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:06,104 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1;" "assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:06,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2025-01-10 07:47:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801152250] [2025-01-10 07:47:06,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:47:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:06,117 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:06,118 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:47:06,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,118 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:06,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:06,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:06,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:06,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash 707236716, now seen corresponding path program 1 times [2025-01-10 07:47:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841019837] [2025-01-10 07:47:06,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:47:06,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:47:06,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,147 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:06,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:47:06,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:47:06,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:06,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1082524456, now seen corresponding path program 1 times [2025-01-10 07:47:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326800387] [2025-01-10 07:47:06,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:06,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 07:47:06,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 07:47:06,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:47:06,246 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 07:47:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:47:06,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326800387] [2025-01-10 07:47:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326800387] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:47:06,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:47:06,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 07:47:06,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534262097] [2025-01-10 07:47:06,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:47:06,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:47:06,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 07:47:06,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 07:47:06,369 INFO L87 Difference]: Start difference. First operand 244 states and 312 transitions. cyclomatic complexity: 70 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 07:47:06,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:47:06,475 INFO L93 Difference]: Finished difference Result 481 states and 609 transitions. [2025-01-10 07:47:06,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 481 states and 609 transitions. [2025-01-10 07:47:06,479 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2025-01-10 07:47:06,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 481 states to 481 states and 609 transitions. [2025-01-10 07:47:06,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 481 [2025-01-10 07:47:06,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 481 [2025-01-10 07:47:06,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 481 states and 609 transitions. [2025-01-10 07:47:06,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:47:06,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 481 states and 609 transitions. [2025-01-10 07:47:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states and 609 transitions. [2025-01-10 07:47:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2025-01-10 07:47:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 481 states have (on average 1.2661122661122661) internal successors, (609), 480 states have internal predecessors, (609), 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 07:47:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 609 transitions. [2025-01-10 07:47:06,506 INFO L240 hiAutomatonCegarLoop]: Abstraction has 481 states and 609 transitions. [2025-01-10 07:47:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:47:06,508 INFO L432 stractBuchiCegarLoop]: Abstraction has 481 states and 609 transitions. [2025-01-10 07:47:06,508 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:47:06,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 481 states and 609 transitions. [2025-01-10 07:47:06,512 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2025-01-10 07:47:06,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:06,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:06,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:06,514 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:06,514 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:06,514 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___1~1#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1;" "assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:06,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2025-01-10 07:47:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818645290] [2025-01-10 07:47:06,516 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:47:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,520 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 7 statements into 2 equivalence classes. [2025-01-10 07:47:06,527 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:06,528 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 07:47:06,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,528 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:06,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:06,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:06,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:06,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash 134589696, now seen corresponding path program 1 times [2025-01-10 07:47:06,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777805261] [2025-01-10 07:47:06,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:06,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 07:47:06,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 07:47:06,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,549 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:06,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 07:47:06,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 07:47:06,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash 8854972, now seen corresponding path program 1 times [2025-01-10 07:47:06,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:06,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942678817] [2025-01-10 07:47:06,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:06,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 07:47:06,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 07:47:06,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,565 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:06,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 07:47:06,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 07:47:06,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:06,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:06,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:07,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:07,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:07,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:07,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:07,230 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:07,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:07,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:07,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:07,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:07,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:47:07 BoogieIcfgContainer [2025-01-10 07:47:07,285 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:47:07,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:47:07,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:47:07,286 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:47:07,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:05" (3/4) ... [2025-01-10 07:47:07,288 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:47:07,326 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:47:07,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:47:07,327 INFO L158 Benchmark]: Toolchain (without parser) took 2703.34ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 47.7MB in the end (delta: 56.3MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2025-01-10 07:47:07,328 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:07,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.56ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 85.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:47:07,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.23ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 82.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:47:07,329 INFO L158 Benchmark]: Boogie Preprocessor took 38.38ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:07,330 INFO L158 Benchmark]: RCFGBuilder took 517.50ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 49.5MB in the end (delta: 29.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-10 07:47:07,330 INFO L158 Benchmark]: BuchiAutomizer took 1723.03ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 51.3MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:07,330 INFO L158 Benchmark]: Witness Printer took 41.27ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 47.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:07,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.56ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 85.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.23ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 82.3MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.38ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.50ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 49.5MB in the end (delta: 29.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1723.03ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 51.3MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.27ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 47.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [554] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [563] - GenericResultAtLocation [Line: 672]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [672] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [707] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 481 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 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, 607 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 607 mSDsluCounter, 1407 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 733 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 674 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L570] int waterLevel = 1; [L571] int methaneLevelCritical = 0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L710] int splverifierCounter ; [L711] int tmp ; [L712] int tmp___0 ; [L713] int tmp___1 ; [L714] int tmp___2 ; [L717] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE splverifierCounter < 4 [L727] tmp = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp)) [L737] tmp___0 = __VERIFIER_nondet_int() [L739] COND FALSE !(\read(tmp___0)) [L747] tmp___2 = __VERIFIER_nondet_int() [L749] COND FALSE !(\read(tmp___2)) [L755] tmp___1 = __VERIFIER_nondet_int() [L757] COND TRUE \read(tmp___1) [L764] CALL timeShift() [L785] COND FALSE !(\read(pumpRunning)) [L792] COND TRUE \read(systemActive) [L794] CALL processEnvironment() [L840] int tmp ; [L843] COND FALSE !(\read(pumpRunning)) [L858] CALL processEnvironment__wrappee__highWaterSensor() [L814] int tmp ; [L817] COND TRUE ! pumpRunning [L819] CALL, EXPR isHighWaterLevel() [L955] int retValue_acc ; [L956] int tmp ; [L957] int tmp___0 ; [L961] CALL, EXPR isHighWaterSensorDry() [L650] int retValue_acc ; [L653] COND TRUE waterLevel < 2 [L654] retValue_acc = 1 [L655] return (retValue_acc); [L961] RET, EXPR isHighWaterSensorDry() [L961] tmp = isHighWaterSensorDry() [L963] COND TRUE \read(tmp) [L964] tmp___0 = 0 [L968] retValue_acc = tmp___0 [L969] return (retValue_acc); [L819] RET, EXPR isHighWaterLevel() [L819] tmp = isHighWaterLevel() [L821] COND FALSE !(\read(tmp)) [L827] FCALL processEnvironment__wrappee__base() [L858] RET processEnvironment__wrappee__highWaterSensor() [L794] RET processEnvironment() [L800] CALL __utac_acc__Specification3_spec__1() [L675] int tmp ; [L676] int tmp___0 ; [L677] int tmp___1 ; [L681] CALL, EXPR isMethaneLevelCritical() [L609] int retValue_acc ; [L612] retValue_acc = methaneLevelCritical [L613] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L687] CALL, EXPR getWaterLevel() [L641] int retValue_acc ; [L644] retValue_acc = waterLevel [L645] return (retValue_acc); [L687] RET, EXPR getWaterLevel() [L687] tmp___0 = getWaterLevel() [L689] COND FALSE !(tmp___0 == 2) [L800] RET __utac_acc__Specification3_spec__1() [L764] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L570] int waterLevel = 1; [L571] int methaneLevelCritical = 0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L710] int splverifierCounter ; [L711] int tmp ; [L712] int tmp___0 ; [L713] int tmp___1 ; [L714] int tmp___2 ; [L717] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE splverifierCounter < 4 [L727] tmp = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp)) [L737] tmp___0 = __VERIFIER_nondet_int() [L739] COND FALSE !(\read(tmp___0)) [L747] tmp___2 = __VERIFIER_nondet_int() [L749] COND FALSE !(\read(tmp___2)) [L755] tmp___1 = __VERIFIER_nondet_int() [L757] COND TRUE \read(tmp___1) [L764] CALL timeShift() [L785] COND FALSE !(\read(pumpRunning)) [L792] COND TRUE \read(systemActive) [L794] CALL processEnvironment() [L840] int tmp ; [L843] COND FALSE !(\read(pumpRunning)) [L858] CALL processEnvironment__wrappee__highWaterSensor() [L814] int tmp ; [L817] COND TRUE ! pumpRunning [L819] CALL, EXPR isHighWaterLevel() [L955] int retValue_acc ; [L956] int tmp ; [L957] int tmp___0 ; [L961] CALL, EXPR isHighWaterSensorDry() [L650] int retValue_acc ; [L653] COND TRUE waterLevel < 2 [L654] retValue_acc = 1 [L655] return (retValue_acc); [L961] RET, EXPR isHighWaterSensorDry() [L961] tmp = isHighWaterSensorDry() [L963] COND TRUE \read(tmp) [L964] tmp___0 = 0 [L968] retValue_acc = tmp___0 [L969] return (retValue_acc); [L819] RET, EXPR isHighWaterLevel() [L819] tmp = isHighWaterLevel() [L821] COND FALSE !(\read(tmp)) [L827] FCALL processEnvironment__wrappee__base() [L858] RET processEnvironment__wrappee__highWaterSensor() [L794] RET processEnvironment() [L800] CALL __utac_acc__Specification3_spec__1() [L675] int tmp ; [L676] int tmp___0 ; [L677] int tmp___1 ; [L681] CALL, EXPR isMethaneLevelCritical() [L609] int retValue_acc ; [L612] retValue_acc = methaneLevelCritical [L613] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L687] CALL, EXPR getWaterLevel() [L641] int retValue_acc ; [L644] retValue_acc = waterLevel [L645] return (retValue_acc); [L687] RET, EXPR getWaterLevel() [L687] tmp___0 = getWaterLevel() [L689] COND FALSE !(tmp___0 == 2) [L800] RET __utac_acc__Specification3_spec__1() [L764] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:47:07,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)