./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:39:47,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:39:47,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:39:47,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:39:47,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:39:48,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:39:48,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:39:48,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:39:48,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:39:48,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:39:48,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:39:48,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:39:48,017 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:39:48,017 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:39:48,019 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:39:48,019 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:39:48,019 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:39:48,020 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:39:48,020 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:39:48,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:39:48,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:39:48,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:39:48,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:39:48,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:39:48,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:39:48,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:39:48,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:39:48,025 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:39:48,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:39:48,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:39:48,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:39:48,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:39:48,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:39:48,026 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:39:48,026 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2024-11-12 21:39:48,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:39:48,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:39:48,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:39:48,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:39:48,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:39:48,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2024-11-12 21:39:49,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:39:49,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:39:49,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2024-11-12 21:39:49,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98a0e14f/fc3f7afcdded4bf79d0469d6a02aca5f/FLAG7d2fb0b96 [2024-11-12 21:39:49,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98a0e14f/fc3f7afcdded4bf79d0469d6a02aca5f [2024-11-12 21:39:49,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:39:49,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:39:49,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:49,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:39:49,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:39:49,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:49" (1/1) ... [2024-11-12 21:39:49,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138bc0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:49, skipping insertion in model container [2024-11-12 21:39:49,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:49" (1/1) ... [2024-11-12 21:39:49,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:39:49,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:49,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:39:49,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-12 21:39:49,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [121] [2024-11-12 21:39:49,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] [2024-11-12 21:39:49,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [389] [2024-11-12 21:39:49,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [755] [2024-11-12 21:39:49,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [791] [2024-11-12 21:39:49,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] [2024-11-12 21:39:49,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [894] [2024-11-12 21:39:50,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:50,033 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:39:50,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50 WrapperNode [2024-11-12 21:39:50,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:50,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:50,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:39:50,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:39:50,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,071 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 54, statements flattened = 375 [2024-11-12 21:39:50,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:50,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:39:50,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:39:50,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:39:50,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,101 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:39:50,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:39:50,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:39:50,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:39:50,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:39:50,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (1/1) ... [2024-11-12 21:39:50,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:39:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:50,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:39:50,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:39:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:39:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:39:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:39:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:39:50,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:39:50,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:39:50,544 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-12 21:39:50,546 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:39:50,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:39:50,557 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:39:50,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:50 BoogieIcfgContainer [2024-11-12 21:39:50,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:39:50,558 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:39:50,558 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:39:50,561 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:39:50,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:50,563 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:39:49" (1/3) ... [2024-11-12 21:39:50,563 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689ed1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:50, skipping insertion in model container [2024-11-12 21:39:50,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:50,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:50" (2/3) ... [2024-11-12 21:39:50,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689ed1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:50, skipping insertion in model container [2024-11-12 21:39:50,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:50,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:50" (3/3) ... [2024-11-12 21:39:50,565 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2024-11-12 21:39:50,606 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:39:50,606 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:39:50,606 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:39:50,607 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:39:50,607 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:39:50,607 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:39:50,607 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:39:50,607 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:39:50,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:50,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-12 21:39:50,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:50,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:50,632 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:50,632 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:50,632 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:39:50,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:50,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-12 21:39:50,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:50,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:50,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:50,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:50,643 INFO L747 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret8#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret8#1;havoc main_#t~ret8#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:50,644 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret43#1;havoc __utac_acc__Specification3_spec__1_#t~ret43#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:50,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:50,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:39:50,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:50,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517358840] [2024-11-12 21:39:50,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:50,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:50,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:50,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:50,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:50,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1295133267, now seen corresponding path program 1 times [2024-11-12 21:39:50,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:50,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358537752] [2024-11-12 21:39:50,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:50,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:50,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358537752] [2024-11-12 21:39:50,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358537752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:50,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329550695] [2024-11-12 21:39:50,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:50,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:50,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:50,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:39:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:50,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:39:50,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:50,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:50,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329550695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:50,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:50,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561015751] [2024-11-12 21:39:50,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:50,984 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:50,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:51,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:51,010 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:51,048 INFO L93 Difference]: Finished difference Result 109 states and 141 transitions. [2024-11-12 21:39:51,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 141 transitions. [2024-11-12 21:39:51,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-12 21:39:51,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 130 transitions. [2024-11-12 21:39:51,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2024-11-12 21:39:51,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2024-11-12 21:39:51,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 130 transitions. [2024-11-12 21:39:51,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:51,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 130 transitions. [2024-11-12 21:39:51,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 130 transitions. [2024-11-12 21:39:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-12 21:39:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 98 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2024-11-12 21:39:51,091 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 130 transitions. [2024-11-12 21:39:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:51,095 INFO L426 stractBuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2024-11-12 21:39:51,095 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:39:51,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2024-11-12 21:39:51,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-12 21:39:51,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:51,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:51,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:51,101 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:51,102 INFO L747 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret8#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret8#1;havoc main_#t~ret8#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:51,102 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret43#1;havoc __utac_acc__Specification3_spec__1_#t~ret43#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:51,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:39:51,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024876648] [2024-11-12 21:39:51,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,122 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:51,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1425537159, now seen corresponding path program 1 times [2024-11-12 21:39:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279059739] [2024-11-12 21:39:51,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:51,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:51,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279059739] [2024-11-12 21:39:51,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279059739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:51,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901381119] [2024-11-12 21:39:51,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:51,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:51,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:39:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:51,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:39:51,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:51,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:51,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901381119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:51,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:51,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:51,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491283928] [2024-11-12 21:39:51,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:51,240 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:51,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:51,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:51,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:51,241 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:51,303 INFO L93 Difference]: Finished difference Result 158 states and 202 transitions. [2024-11-12 21:39:51,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 202 transitions. [2024-11-12 21:39:51,306 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-11-12 21:39:51,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 158 states and 202 transitions. [2024-11-12 21:39:51,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 158 [2024-11-12 21:39:51,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 158 [2024-11-12 21:39:51,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 202 transitions. [2024-11-12 21:39:51,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:51,309 INFO L218 hiAutomatonCegarLoop]: Abstraction has 158 states and 202 transitions. [2024-11-12 21:39:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states and 202 transitions. [2024-11-12 21:39:51,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-12 21:39:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.2784810126582278) internal successors, (202), 157 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 202 transitions. [2024-11-12 21:39:51,316 INFO L240 hiAutomatonCegarLoop]: Abstraction has 158 states and 202 transitions. [2024-11-12 21:39:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:51,317 INFO L426 stractBuchiCegarLoop]: Abstraction has 158 states and 202 transitions. [2024-11-12 21:39:51,317 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:39:51,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 202 transitions. [2024-11-12 21:39:51,318 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-11-12 21:39:51,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:51,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:51,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:51,318 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] [2024-11-12 21:39:51,319 INFO L747 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret8#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret8#1;havoc main_#t~ret8#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:51,319 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1;" "processEnvironment_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret9#1;havoc processEnvironment_#t~ret9#1;" "assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret43#1;havoc __utac_acc__Specification3_spec__1_#t~ret43#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:51,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-12 21:39:51,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911280209] [2024-11-12 21:39:51,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,328 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:51,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1606759423, now seen corresponding path program 1 times [2024-11-12 21:39:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234771875] [2024-11-12 21:39:51,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,353 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:51,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1733200699, now seen corresponding path program 1 times [2024-11-12 21:39:51,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271167010] [2024-11-12 21:39:51,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:51,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:51,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271167010] [2024-11-12 21:39:51,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271167010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:51,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011337747] [2024-11-12 21:39:51,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:51,478 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:51,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 21:39:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:51,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:39:51,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:51,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:51,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011337747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:51,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:51,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-12 21:39:51,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663967466] [2024-11-12 21:39:51,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:51,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:39:51,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:39:51,801 INFO L87 Difference]: Start difference. First operand 158 states and 202 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:51,856 INFO L93 Difference]: Finished difference Result 309 states and 389 transitions. [2024-11-12 21:39:51,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 309 states and 389 transitions. [2024-11-12 21:39:51,858 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 224 [2024-11-12 21:39:51,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 309 states to 309 states and 389 transitions. [2024-11-12 21:39:51,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309 [2024-11-12 21:39:51,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309 [2024-11-12 21:39:51,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 389 transitions. [2024-11-12 21:39:51,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:51,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 309 states and 389 transitions. [2024-11-12 21:39:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 389 transitions. [2024-11-12 21:39:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-12 21:39:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.2588996763754046) internal successors, (389), 308 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 389 transitions. [2024-11-12 21:39:51,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 309 states and 389 transitions. [2024-11-12 21:39:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:39:51,872 INFO L426 stractBuchiCegarLoop]: Abstraction has 309 states and 389 transitions. [2024-11-12 21:39:51,872 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:39:51,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 389 transitions. [2024-11-12 21:39:51,874 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 224 [2024-11-12 21:39:51,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:51,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:51,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:51,874 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] [2024-11-12 21:39:51,875 INFO L747 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret8#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret8#1;havoc main_#t~ret8#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:51,875 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#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~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1;" "processEnvironment_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret9#1;havoc processEnvironment_#t~ret9#1;" "assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret43#1;havoc __utac_acc__Specification3_spec__1_#t~ret43#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret44#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret44#1;havoc __utac_acc__Specification3_spec__1_#t~ret44#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret43#1, __utac_acc__Specification3_spec__1_#t~ret44#1, __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:51,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-12 21:39:51,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863638386] [2024-11-12 21:39:51,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:51,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1002636745, now seen corresponding path program 1 times [2024-11-12 21:39:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971550586] [2024-11-12 21:39:51,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,893 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:51,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2041348603, now seen corresponding path program 1 times [2024-11-12 21:39:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:51,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117272545] [2024-11-12 21:39:51,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:51,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:52,624 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:52,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:39:52 BoogieIcfgContainer [2024-11-12 21:39:52,682 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:39:52,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:39:52,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:39:52,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:39:52,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:50" (3/4) ... [2024-11-12 21:39:52,684 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:39:52,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:39:52,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:39:52,737 INFO L158 Benchmark]: Toolchain (without parser) took 3039.41ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 146.1MB in the beginning and 161.2MB in the end (delta: -15.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,737 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:52,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.97ms. Allocated memory is still 176.2MB. Free memory was 145.3MB in the beginning and 124.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.74ms. Allocated memory is still 176.2MB. Free memory was 124.3MB in the beginning and 121.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,737 INFO L158 Benchmark]: Boogie Preprocessor took 44.46ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,737 INFO L158 Benchmark]: RCFGBuilder took 440.80ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 97.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,738 INFO L158 Benchmark]: BuchiAutomizer took 2123.86ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 97.8MB in the beginning and 164.4MB in the end (delta: -66.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:52,738 INFO L158 Benchmark]: Witness Printer took 53.70ms. Allocated memory is still 226.5MB. Free memory was 164.4MB in the beginning and 161.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:52,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.97ms. Allocated memory is still 176.2MB. Free memory was 145.3MB in the beginning and 124.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.74ms. Allocated memory is still 176.2MB. Free memory was 124.3MB in the beginning and 121.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.46ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.80ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 97.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2123.86ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 97.8MB in the beginning and 164.4MB in the end (delta: -66.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.70ms. Allocated memory is still 226.5MB. Free memory was 164.4MB in the beginning and 161.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [121] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] - GenericResultAtLocation [Line: 389]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [389] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [755] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [791] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [894] * 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 309 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 336 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 877 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 459 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 418 mSDtfsCounter, 65 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L122] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L559] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L199] int retValue_acc ; [L200] int tmp ; [L204] FCALL select_helpers() [L205] FCALL select_features() [L206] CALL, EXPR valid_product() [L921] int retValue_acc ; [L924] retValue_acc = 1 [L925] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L206] RET, EXPR valid_product() [L206] tmp = valid_product() [L208] COND TRUE \read(tmp) [L210] FCALL setup() [L211] CALL runTest() [L190] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L385] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L363] int retValue_acc ; [L364] int tmp ; [L365] int tmp___0 ; [L369] CALL, EXPR isHighWaterSensorDry() [L881] int retValue_acc ; [L884] COND TRUE waterLevel < 2 [L885] retValue_acc = 1 [L886] return (retValue_acc); [L369] RET, EXPR isHighWaterSensorDry() [L369] tmp = isHighWaterSensorDry() [L371] COND TRUE \read(tmp) [L372] tmp___0 = 0 [L376] retValue_acc = tmp___0 [L377] return (retValue_acc); [L271] RET, EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment() [L252] CALL __utac_acc__Specification3_spec__1() [L759] int tmp ; [L760] int tmp___0 ; [L761] int tmp___1 ; [L765] CALL, EXPR isMethaneLevelCritical() [L840] int retValue_acc ; [L843] retValue_acc = methaneLevelCritical [L844] return (retValue_acc); [L765] RET, EXPR isMethaneLevelCritical() [L765] tmp = isMethaneLevelCritical() [L767] COND FALSE !(\read(tmp)) [L771] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L771] RET, EXPR getWaterLevel() [L771] tmp___0 = getWaterLevel() [L773] COND FALSE !(tmp___0 == 2) [L252] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L559] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L199] int retValue_acc ; [L200] int tmp ; [L204] FCALL select_helpers() [L205] FCALL select_features() [L206] CALL, EXPR valid_product() [L921] int retValue_acc ; [L924] retValue_acc = 1 [L925] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L206] RET, EXPR valid_product() [L206] tmp = valid_product() [L208] COND TRUE \read(tmp) [L210] FCALL setup() [L211] CALL runTest() [L190] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L385] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L363] int retValue_acc ; [L364] int tmp ; [L365] int tmp___0 ; [L369] CALL, EXPR isHighWaterSensorDry() [L881] int retValue_acc ; [L884] COND TRUE waterLevel < 2 [L885] retValue_acc = 1 [L886] return (retValue_acc); [L369] RET, EXPR isHighWaterSensorDry() [L369] tmp = isHighWaterSensorDry() [L371] COND TRUE \read(tmp) [L372] tmp___0 = 0 [L376] retValue_acc = tmp___0 [L377] return (retValue_acc); [L271] RET, EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment() [L252] CALL __utac_acc__Specification3_spec__1() [L759] int tmp ; [L760] int tmp___0 ; [L761] int tmp___1 ; [L765] CALL, EXPR isMethaneLevelCritical() [L840] int retValue_acc ; [L843] retValue_acc = methaneLevelCritical [L844] return (retValue_acc); [L765] RET, EXPR isMethaneLevelCritical() [L765] tmp = isMethaneLevelCritical() [L767] COND FALSE !(\read(tmp)) [L771] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L771] RET, EXPR getWaterLevel() [L771] tmp___0 = getWaterLevel() [L773] COND FALSE !(tmp___0 == 2) [L252] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:39:52,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 21:39:52,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 21:39:53,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:39:53,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)