./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_spec2_product57.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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:39:17,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:39:17,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:39:17,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:39:17,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:39:17,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:39:17,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:39:17,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:39:17,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:39:17,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:39:17,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:39:17,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:39:17,816 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:39:17,817 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:39:17,819 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:39:17,819 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:39:17,819 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:39:17,819 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:39:17,820 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:39:17,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:39:17,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:39:17,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:39:17,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:39:17,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:39:17,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:39:17,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:39:17,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:39:17,826 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:39:17,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:39:17,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:39:17,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:39:17,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:39:17,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:39:17,828 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:39:17,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2024-11-12 21:39:18,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:39:18,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:39:18,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:39:18,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:39:18,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:39:18,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2024-11-12 21:39:19,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:39:19,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:39:19,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2024-11-12 21:39:19,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72efc782f/290613fa8458452dbbbe753d42a8a193/FLAG1356e71fd [2024-11-12 21:39:19,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72efc782f/290613fa8458452dbbbe753d42a8a193 [2024-11-12 21:39:19,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:39:19,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:39:19,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:19,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:39:19,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:39:19,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:19" (1/1) ... [2024-11-12 21:39:19,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283e609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:19, skipping insertion in model container [2024-11-12 21:39:19,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:19" (1/1) ... [2024-11-12 21:39:19,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:39:20,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:20,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:39:20,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-12 21:39:20,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-12 21:39:20,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [198] [2024-11-12 21:39:20,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [299] [2024-11-12 21:39:20,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] [2024-11-12 21:39:20,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [557] [2024-11-12 21:39:20,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] [2024-11-12 21:39:20,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [988] [2024-11-12 21:39:20,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:20,444 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:39:20,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20 WrapperNode [2024-11-12 21:39:20,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:20,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:20,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:39:20,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:39:20,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,534 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 691 [2024-11-12 21:39:20,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:20,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:39:20,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:39:20,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:39:20,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,577 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 21:39:20,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:39:20,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:39:20,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:39:20,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:39:20,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (1/1) ... [2024-11-12 21:39:20,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:39:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:20,662 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 21:39:20,666 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 21:39:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:39:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:39:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:39:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:39:20,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:39:20,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:39:21,357 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-12 21:39:21,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:39:21,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:39:21,384 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:39:21,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:21 BoogieIcfgContainer [2024-11-12 21:39:21,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:39:21,386 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:39:21,386 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:39:21,390 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:39:21,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:21,392 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:39:19" (1/3) ... [2024-11-12 21:39:21,393 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658b4387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:21, skipping insertion in model container [2024-11-12 21:39:21,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:21,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:20" (2/3) ... [2024-11-12 21:39:21,395 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@658b4387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:21, skipping insertion in model container [2024-11-12 21:39:21,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:21,395 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:21" (3/3) ... [2024-11-12 21:39:21,397 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2024-11-12 21:39:21,462 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:39:21,462 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:39:21,463 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:39:21,463 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:39:21,464 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:39:21,464 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:39:21,464 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:39:21,465 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:39:21,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 21:39:21,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-12 21:39:21,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:21,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:21,508 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:21,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:21,508 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:39:21,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 21:39:21,517 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-12 21:39:21,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:21,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:21,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:21,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:21,525 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:21,525 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:21,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-12 21:39:21,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:21,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148478616] [2024-11-12 21:39:21,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:21,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:21,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:21,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 265033452, now seen corresponding path program 1 times [2024-11-12 21:39:21,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:21,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557717068] [2024-11-12 21:39:21,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:21,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:21,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:21,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:21,726 INFO L85 PathProgramCache]: Analyzing trace with hash 102746069, now seen corresponding path program 1 times [2024-11-12 21:39:21,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:21,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916628432] [2024-11-12 21:39:21,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:21,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916628432] [2024-11-12 21:39:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916628432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:21,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184294481] [2024-11-12 21:39:21,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:21,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:21,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:21,973 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 21:39:21,975 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 21:39:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:22,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:39:22,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:22,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:22,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184294481] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:22,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:22,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:39:22,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056894316] [2024-11-12 21:39:22,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:22,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:39:22,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:39:22,264 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3645833333333333) internal successors, (262), 192 states have internal predecessors, (262), 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 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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 21:39:22,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:22,359 INFO L93 Difference]: Finished difference Result 187 states and 245 transitions. [2024-11-12 21:39:22,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 245 transitions. [2024-11-12 21:39:22,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-11-12 21:39:22,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 177 states and 235 transitions. [2024-11-12 21:39:22,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2024-11-12 21:39:22,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2024-11-12 21:39:22,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 235 transitions. [2024-11-12 21:39:22,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:22,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-12 21:39:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 235 transitions. [2024-11-12 21:39:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-12 21:39:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 176 states have internal predecessors, (235), 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 21:39:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 235 transitions. [2024-11-12 21:39:22,413 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-12 21:39:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:39:22,418 INFO L426 stractBuchiCegarLoop]: Abstraction has 177 states and 235 transitions. [2024-11-12 21:39:22,418 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:39:22,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 235 transitions. [2024-11-12 21:39:22,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-11-12 21:39:22,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:22,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:22,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:22,421 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] [2024-11-12 21:39:22,421 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:22,421 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:22,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:22,422 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-12 21:39:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:22,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41736485] [2024-11-12 21:39:22,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,453 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:22,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash -402657831, now seen corresponding path program 1 times [2024-11-12 21:39:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:22,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124779701] [2024-11-12 21:39:22,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:22,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:22,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124779701] [2024-11-12 21:39:22,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124779701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:22,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062615613] [2024-11-12 21:39:22,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:22,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:22,525 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 21:39:22,527 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 21:39:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:22,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:39:22,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:22,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:22,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062615613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:22,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:22,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:22,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220612836] [2024-11-12 21:39:22,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:22,602 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:22,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:22,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:22,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:22,603 INFO L87 Difference]: Start difference. First operand 177 states and 235 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) [2024-11-12 21:39:22,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:22,698 INFO L93 Difference]: Finished difference Result 241 states and 309 transitions. [2024-11-12 21:39:22,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 309 transitions. [2024-11-12 21:39:22,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2024-11-12 21:39:22,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 309 transitions. [2024-11-12 21:39:22,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2024-11-12 21:39:22,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2024-11-12 21:39:22,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 309 transitions. [2024-11-12 21:39:22,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:22,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-12 21:39:22,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 309 transitions. [2024-11-12 21:39:22,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-12 21:39:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.2821576763485478) internal successors, (309), 240 states have internal predecessors, (309), 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 21:39:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 309 transitions. [2024-11-12 21:39:22,725 INFO L240 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-12 21:39:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:22,726 INFO L426 stractBuchiCegarLoop]: Abstraction has 241 states and 309 transitions. [2024-11-12 21:39:22,726 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:39:22,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 309 transitions. [2024-11-12 21:39:22,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2024-11-12 21:39:22,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:22,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:22,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:22,731 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] [2024-11-12 21:39:22,731 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:22,731 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet27#1;test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet28#1;test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1;" "isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:22,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-12 21:39:22,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:22,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318348591] [2024-11-12 21:39:22,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:22,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:22,765 INFO L85 PathProgramCache]: Analyzing trace with hash -114355695, now seen corresponding path program 1 times [2024-11-12 21:39:22,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:22,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309184973] [2024-11-12 21:39:22,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,778 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:22,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:22,792 INFO L85 PathProgramCache]: Analyzing trace with hash 56419720, now seen corresponding path program 1 times [2024-11-12 21:39:22,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:22,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974006060] [2024-11-12 21:39:22,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,811 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:22,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:23,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:23,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:39:23 BoogieIcfgContainer [2024-11-12 21:39:23,841 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:39:23,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:39:23,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:39:23,842 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:39:23,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:21" (3/4) ... [2024-11-12 21:39:23,844 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:39:23,913 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:39:23,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:39:23,914 INFO L158 Benchmark]: Toolchain (without parser) took 3980.30ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 117.9MB in the end (delta: -20.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,914 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:23,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.58ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 75.3MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.12ms. Allocated memory is still 167.8MB. Free memory was 75.3MB in the beginning and 71.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,915 INFO L158 Benchmark]: Boogie Preprocessor took 76.95ms. Allocated memory is still 167.8MB. Free memory was 71.6MB in the beginning and 67.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,915 INFO L158 Benchmark]: RCFGBuilder took 772.11ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 112.4MB in the end (delta: -44.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,915 INFO L158 Benchmark]: BuchiAutomizer took 2455.00ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 112.4MB in the beginning and 121.1MB in the end (delta: -8.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,916 INFO L158 Benchmark]: Witness Printer took 71.65ms. Allocated memory is still 213.9MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:23,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.58ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 75.3MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.12ms. Allocated memory is still 167.8MB. Free memory was 75.3MB in the beginning and 71.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.95ms. Allocated memory is still 167.8MB. Free memory was 71.6MB in the beginning and 67.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 772.11ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 112.4MB in the end (delta: -44.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2455.00ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 112.4MB in the beginning and 121.1MB in the end (delta: -8.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 71.65ms. Allocated memory is still 213.9MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [198] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [299] - GenericResultAtLocation [Line: 340]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [557] - GenericResultAtLocation [Line: 622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] - GenericResultAtLocation [Line: 988]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [988] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 241 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 641 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 1042 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 582 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 460 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 568]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 568]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:39:23,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:39:24,148 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 21:39:24,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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)