./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_spec1_product59.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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:38:31,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:38:31,358 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:38:31,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:38:31,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:38:31,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:38:31,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:38:31,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:38:31,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:38:31,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:38:31,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:38:31,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:38:31,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:38:31,390 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:38:31,391 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:38:31,391 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:38:31,391 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:38:31,391 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:38:31,391 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:38:31,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:38:31,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:38:31,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:38:31,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:38:31,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:38:31,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:38:31,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:38:31,396 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:38:31,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:38:31,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:38:31,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:38:31,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:38:31,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:38:31,397 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:38:31,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2024-11-12 21:38:31,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:38:31,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:38:31,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:38:31,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:38:31,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:38:31,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-12 21:38:32,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:38:32,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:38:32,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-12 21:38:32,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/509b012c9/6c2f313b04db45b88c4ebe43fc97277d/FLAG59091665f [2024-11-12 21:38:33,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/509b012c9/6c2f313b04db45b88c4ebe43fc97277d [2024-11-12 21:38:33,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:38:33,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:38:33,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:38:33,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:38:33,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:38:33,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dbb3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33, skipping insertion in model container [2024-11-12 21:38:33,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:38:33,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:38:33,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:38:33,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-12 21:38:33,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] [2024-11-12 21:38:33,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] [2024-11-12 21:38:33,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] [2024-11-12 21:38:33,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] [2024-11-12 21:38:33,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] [2024-11-12 21:38:33,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] [2024-11-12 21:38:33,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] [2024-11-12 21:38:33,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:38:33,761 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:38:33,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33 WrapperNode [2024-11-12 21:38:33,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:38:33,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:38:33,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:38:33,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:38:33,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,807 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 682 [2024-11-12 21:38:33,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:38:33,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:38:33,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:38:33,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:38:33,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,832 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 21:38:33,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:38:33,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:38:33,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:38:33,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:38:33,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (1/1) ... [2024-11-12 21:38:33,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:38:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:38:33,896 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 21:38:33,898 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 21:38:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:38:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:38:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:38:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:38:34,002 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:38:34,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:38:34,402 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-12 21:38:34,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:38:34,417 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:38:34,418 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:38:34,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:38:34 BoogieIcfgContainer [2024-11-12 21:38:34,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:38:34,419 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:38:34,419 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:38:34,422 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:38:34,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:38:34,423 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:38:33" (1/3) ... [2024-11-12 21:38:34,424 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14d46b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:38:34, skipping insertion in model container [2024-11-12 21:38:34,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:38:34,424 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:38:33" (2/3) ... [2024-11-12 21:38:34,425 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14d46b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:38:34, skipping insertion in model container [2024-11-12 21:38:34,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:38:34,425 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:38:34" (3/3) ... [2024-11-12 21:38:34,427 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2024-11-12 21:38:34,471 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:38:34,471 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:38:34,471 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:38:34,472 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:38:34,472 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:38:34,472 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:38:34,472 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:38:34,472 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:38:34,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 21:38:34,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-12 21:38:34,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:38:34,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:38:34,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:38:34,498 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 21:38:34,498 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:38:34,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 21:38:34,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2024-11-12 21:38:34,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:38:34,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:38:34,505 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:38:34,505 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 21:38:34,509 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:38:34,509 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#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__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:38:34,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:34,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:38:34,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:34,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689149858] [2024-11-12 21:38:34,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:34,608 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:34,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:34,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1086894886, now seen corresponding path program 1 times [2024-11-12 21:38:34,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:34,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624204300] [2024-11-12 21:38:34,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:34,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:34,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:34,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:34,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1852653334, now seen corresponding path program 1 times [2024-11-12 21:38:34,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:34,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68427680] [2024-11-12 21:38:34,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:34,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:38:34,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:38:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68427680] [2024-11-12 21:38:34,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68427680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:38:34,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287238323] [2024-11-12 21:38:34,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:38:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:38:34,845 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 21:38:34,846 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 21:38:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:38:34,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:38:34,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:38:34,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:38:35,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287238323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:38:35,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:38:35,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:38:35,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120341059] [2024-11-12 21:38:35,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:38:35,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:38:35,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:38:35,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:38:35,111 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 21:38:35,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:38:35,247 INFO L93 Difference]: Finished difference Result 431 states and 563 transitions. [2024-11-12 21:38:35,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 431 states and 563 transitions. [2024-11-12 21:38:35,256 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 279 [2024-11-12 21:38:35,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 431 states to 401 states and 533 transitions. [2024-11-12 21:38:35,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 401 [2024-11-12 21:38:35,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 401 [2024-11-12 21:38:35,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 401 states and 533 transitions. [2024-11-12 21:38:35,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:38:35,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 401 states and 533 transitions. [2024-11-12 21:38:35,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states and 533 transitions. [2024-11-12 21:38:35,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 229. [2024-11-12 21:38:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 229 states have (on average 1.3275109170305677) internal successors, (304), 228 states have internal predecessors, (304), 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 21:38:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 304 transitions. [2024-11-12 21:38:35,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 229 states and 304 transitions. [2024-11-12 21:38:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:38:35,304 INFO L426 stractBuchiCegarLoop]: Abstraction has 229 states and 304 transitions. [2024-11-12 21:38:35,304 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:38:35,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 304 transitions. [2024-11-12 21:38:35,306 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2024-11-12 21:38:35,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:38:35,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:38:35,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:38:35,307 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 21:38:35,307 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:38:35,307 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#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~ret16#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~ret15#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~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:38:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:38:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216773312] [2024-11-12 21:38:35,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,321 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:35,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1122656476, now seen corresponding path program 1 times [2024-11-12 21:38:35,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:35,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724883129] [2024-11-12 21:38:35,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:38:35,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:38:35,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724883129] [2024-11-12 21:38:35,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724883129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:38:35,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480203569] [2024-11-12 21:38:35,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:38:35,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:38:35,360 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 21:38:35,361 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 21:38:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:38:35,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:38:35,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:38:35,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:38:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480203569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:38:35,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:38:35,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:38:35,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133324776] [2024-11-12 21:38:35,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:38:35,420 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:38:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:38:35,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:38:35,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:38:35,420 INFO L87 Difference]: Start difference. First operand 229 states and 304 transitions. cyclomatic complexity: 78 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 21:38:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:38:35,478 INFO L93 Difference]: Finished difference Result 285 states and 361 transitions. [2024-11-12 21:38:35,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 361 transitions. [2024-11-12 21:38:35,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2024-11-12 21:38:35,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 361 transitions. [2024-11-12 21:38:35,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2024-11-12 21:38:35,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2024-11-12 21:38:35,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 361 transitions. [2024-11-12 21:38:35,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:38:35,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2024-11-12 21:38:35,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 361 transitions. [2024-11-12 21:38:35,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-12 21:38:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.2666666666666666) internal successors, (361), 284 states have internal predecessors, (361), 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 21:38:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 361 transitions. [2024-11-12 21:38:35,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2024-11-12 21:38:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:38:35,502 INFO L426 stractBuchiCegarLoop]: Abstraction has 285 states and 361 transitions. [2024-11-12 21:38:35,502 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:38:35,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 361 transitions. [2024-11-12 21:38:35,503 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2024-11-12 21:38:35,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:38:35,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:38:35,505 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:38:35,505 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 21:38:35,505 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1;" "main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:38:35,506 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#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~ret16#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~ret15#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~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret15#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret15#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#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~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:38:35,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:35,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-12 21:38:35,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:35,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991050460] [2024-11-12 21:38:35,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:35,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:35,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1041208756, now seen corresponding path program 1 times [2024-11-12 21:38:35,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:35,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875738598] [2024-11-12 21:38:35,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,530 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:35,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:38:35,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1416496496, now seen corresponding path program 1 times [2024-11-12 21:38:35,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:38:35,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46046481] [2024-11-12 21:38:35,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:38:35,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:38:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,551 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:35,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:38:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:36,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:38:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:38:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:38:36 BoogieIcfgContainer [2024-11-12 21:38:36,282 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:38:36,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:38:36,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:38:36,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:38:36,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:38:34" (3/4) ... [2024-11-12 21:38:36,285 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:38:36,336 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:38:36,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:38:36,336 INFO L158 Benchmark]: Toolchain (without parser) took 2969.49ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 143.4MB in the beginning and 139.1MB in the end (delta: 4.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,337 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:38:36,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.53ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 122.6MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 172.0MB. Free memory was 121.6MB in the beginning and 118.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,337 INFO L158 Benchmark]: Boogie Preprocessor took 54.31ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,338 INFO L158 Benchmark]: RCFGBuilder took 555.88ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 83.8MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,338 INFO L158 Benchmark]: BuchiAutomizer took 1863.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 83.8MB in the beginning and 142.2MB in the end (delta: -58.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:38:36,338 INFO L158 Benchmark]: Witness Printer took 53.48ms. Allocated memory is still 207.6MB. Free memory was 142.2MB in the beginning and 139.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:38:36,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.53ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 122.6MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.71ms. Allocated memory is still 172.0MB. Free memory was 121.6MB in the beginning and 118.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.31ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 555.88ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 83.8MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1863.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 83.8MB in the beginning and 142.2MB in the end (delta: -58.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.48ms. Allocated memory is still 207.6MB. Free memory was 142.2MB in the beginning and 139.1MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] - GenericResultAtLocation [Line: 267]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] - GenericResultAtLocation [Line: 500]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] - GenericResultAtLocation [Line: 904]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] * 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 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 172 StatesRemovedByMinimization, 1 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, 855 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 855 mSDsluCounter, 1447 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 977 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 470 mSDtfsCounter, 71 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: 211]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L211] COND TRUE 1 [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 211]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L211] COND TRUE 1 [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:38:36,360 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 21:38:36,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 21:38:36,760 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)