./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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_spec5_product36.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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:59:12,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:59:12,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:59:12,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:59:12,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:59:12,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:59:12,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:59:12,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:59:12,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:59:12,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:59:12,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:59:12,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:59:12,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:59:12,137 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:59:12,137 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:59:12,138 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:59:12,138 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:59:12,138 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:59:12,138 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:59:12,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:59:12,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:59:12,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:59:12,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:59:12,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:59:12,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:59:12,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:59:12,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:59:12,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:59:12,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:59:12,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:59:12,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:59:12,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:59:12,144 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:59:12,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:59:12,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:59:12,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:59:12,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:59:12,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:59:12,146 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:59:12,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2024-11-19 14:59:12,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:59:12,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:59:12,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:59:12,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:59:12,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:59:12,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2024-11-19 14:59:13,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:59:13,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:59:13,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2024-11-19 14:59:13,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8455638/7b80ea2b08f6489799117756e5697a93/FLAGd0b2acfbf [2024-11-19 14:59:14,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8455638/7b80ea2b08f6489799117756e5697a93 [2024-11-19 14:59:14,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:59:14,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:59:14,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:14,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:59:14,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:59:14,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b41af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14, skipping insertion in model container [2024-11-19 14:59:14,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:59:14,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:14,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:59:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-19 14:59:14,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-19 14:59:14,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2024-11-19 14:59:14,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] [2024-11-19 14:59:14,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] [2024-11-19 14:59:14,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] [2024-11-19 14:59:14,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] [2024-11-19 14:59:14,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] [2024-11-19 14:59:14,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:14,492 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:59:14,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14 WrapperNode [2024-11-19 14:59:14,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:14,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:14,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:59:14,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:59:14,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,546 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 60, statements flattened = 389 [2024-11-19 14:59:14,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:14,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:59:14,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:59:14,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:59:14,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,568 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]. [2024-11-19 14:59:14,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:59:14,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:59:14,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:59:14,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:59:14,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (1/1) ... [2024-11-19 14:59:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:14,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:14,646 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) [2024-11-19 14:59:14,648 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 [2024-11-19 14:59:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:59:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:59:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:59:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:59:14,761 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:59:14,763 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:59:15,065 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-19 14:59:15,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:59:15,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:59:15,081 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:59:15,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:15 BoogieIcfgContainer [2024-11-19 14:59:15,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:59:15,082 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:59:15,082 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:59:15,085 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:59:15,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:15,086 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:59:14" (1/3) ... [2024-11-19 14:59:15,087 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6845f066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:15, skipping insertion in model container [2024-11-19 14:59:15,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:15,087 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14" (2/3) ... [2024-11-19 14:59:15,088 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6845f066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:15, skipping insertion in model container [2024-11-19 14:59:15,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:15,088 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:15" (3/3) ... [2024-11-19 14:59:15,090 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2024-11-19 14:59:15,175 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:59:15,175 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:59:15,175 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:59:15,176 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:59:15,176 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:59:15,176 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:59:15,176 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:59:15,176 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:59:15,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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) [2024-11-19 14:59:15,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-11-19 14:59:15,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:15,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:15,233 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:15,233 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] [2024-11-19 14:59:15,233 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:59:15,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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) [2024-11-19 14:59:15,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-11-19 14:59:15,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:15,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:15,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:15,242 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] [2024-11-19 14:59:15,246 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#select_features_returnLabel#1true 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; 85#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 6#L810true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 73#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L667-2true [2024-11-19 14:59:15,246 INFO L747 eck$LassoCheckResult]: Loop: 59#L667-2true assume !false; 33#L668true assume test_~splverifierCounter~0#1 < 4; 104#L669true havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 10#L677true assume !(0 != test_~tmp~5#1); 62#L677-2true havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 51#L687true assume !(0 != test_~tmp___0~1#1); 74#L687-2true havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 35#L697true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet42#1;test_~tmp___1~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 99#L705true assume !(0 != test_~tmp___1~0#1); 113#L705-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 107#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 78#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 46#L120true assume !(0 != ~pumpRunning~0); 30#L120-2true assume !(0 != ~systemActive~0); 83#L127-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 63#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 13#L852true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 103#L852-1true havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 64#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 59#L667-2true [2024-11-19 14:59:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-19 14:59:15,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008495544] [2024-11-19 14:59:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:15,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:15,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:15,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,373 INFO L85 PathProgramCache]: Analyzing trace with hash 505595387, now seen corresponding path program 1 times [2024-11-19 14:59:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074446369] [2024-11-19 14:59:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:15,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:15,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:15,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1935343730, now seen corresponding path program 1 times [2024-11-19 14:59:15,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163849392] [2024-11-19 14:59:15,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:15,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:15,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163849392] [2024-11-19 14:59:15,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163849392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:15,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:59:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633484671] [2024-11-19 14:59:15,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:15,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:15,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:59:15,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:59:15,693 INFO L87 Difference]: Start difference. First operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-19 14:59:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:15,791 INFO L93 Difference]: Finished difference Result 298 states and 385 transitions. [2024-11-19 14:59:15,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 385 transitions. [2024-11-19 14:59:15,796 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 193 [2024-11-19 14:59:15,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 268 states and 355 transitions. [2024-11-19 14:59:15,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 268 [2024-11-19 14:59:15,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 268 [2024-11-19 14:59:15,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 268 states and 355 transitions. [2024-11-19 14:59:15,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:15,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 268 states and 355 transitions. [2024-11-19 14:59:15,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states and 355 transitions. [2024-11-19 14:59:15,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 168. [2024-11-19 14:59:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3214285714285714) internal successors, (222), 167 states have internal predecessors, (222), 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) [2024-11-19 14:59:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2024-11-19 14:59:15,831 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 222 transitions. [2024-11-19 14:59:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:59:15,835 INFO L425 stractBuchiCegarLoop]: Abstraction has 168 states and 222 transitions. [2024-11-19 14:59:15,835 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:59:15,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 222 transitions. [2024-11-19 14:59:15,838 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-19 14:59:15,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:15,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:15,839 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:15,839 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] [2024-11-19 14:59:15,839 INFO L745 eck$LassoCheckResult]: Stem: 484#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 485#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 476#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 477#select_features_returnLabel#1 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; 533#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 443#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 444#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 528#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 520#L667-2 [2024-11-19 14:59:15,840 INFO L747 eck$LassoCheckResult]: Loop: 520#L667-2 assume !false; 492#L668 assume test_~splverifierCounter~0#1 < 4; 493#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 449#L677 assume !(0 != test_~tmp~5#1); 451#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 512#L687 assume !(0 != test_~tmp___0~1#1); 507#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 495#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 496#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 513#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 542#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 531#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 509#L120 assume !(0 != ~pumpRunning~0); 486#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 487#L152 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 488#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 446#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 530#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 521#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 455#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 457#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 522#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 520#L667-2 [2024-11-19 14:59:15,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,840 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-19 14:59:15,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691964049] [2024-11-19 14:59:15,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:59:15,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,848 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:59:15,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:15,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:15,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:15,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash -338410915, now seen corresponding path program 1 times [2024-11-19 14:59:15,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823130347] [2024-11-19 14:59:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:15,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:15,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:15,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823130347] [2024-11-19 14:59:15,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823130347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:15,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:15,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:59:15,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531960640] [2024-11-19 14:59:15,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:15,894 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:59:15,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:15,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:59:15,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:59:15,895 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:15,955 INFO L93 Difference]: Finished difference Result 225 states and 286 transitions. [2024-11-19 14:59:15,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 286 transitions. [2024-11-19 14:59:15,958 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-19 14:59:15,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 286 transitions. [2024-11-19 14:59:15,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2024-11-19 14:59:15,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2024-11-19 14:59:15,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 286 transitions. [2024-11-19 14:59:15,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:15,963 INFO L218 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-19 14:59:15,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 286 transitions. [2024-11-19 14:59:15,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-19 14:59:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.271111111111111) internal successors, (286), 224 states have internal predecessors, (286), 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) [2024-11-19 14:59:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 286 transitions. [2024-11-19 14:59:15,976 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-19 14:59:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:59:15,979 INFO L425 stractBuchiCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-19 14:59:15,980 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:59:15,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 286 transitions. [2024-11-19 14:59:15,982 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-19 14:59:15,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:15,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:15,982 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:15,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:15,983 INFO L745 eck$LassoCheckResult]: Stem: 883#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 884#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 875#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 876#select_features_returnLabel#1 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; 941#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 842#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 843#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 933#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 923#L667-2 [2024-11-19 14:59:15,983 INFO L747 eck$LassoCheckResult]: Loop: 923#L667-2 assume !false; 924#L668 assume test_~splverifierCounter~0#1 < 4; 953#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 848#L677 assume !(0 != test_~tmp~5#1); 850#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 915#L687 assume !(0 != test_~tmp___0~1#1); 907#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 894#L697 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet42#1;test_~tmp___1~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 896#L705 assume !(0 != test_~tmp___1~0#1); 916#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 954#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 937#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 910#L120 assume !(0 != ~pumpRunning~0); 911#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 887#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 888#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 860#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 861#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 879#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 880#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 948#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 853#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 854#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 936#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1027#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 1025#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 1022#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 927#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 923#L667-2 [2024-11-19 14:59:15,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-19 14:59:15,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:15,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835969899] [2024-11-19 14:59:15,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:59:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:15,996 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:59:15,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:15,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:16,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:16,011 INFO L85 PathProgramCache]: Analyzing trace with hash -685419657, now seen corresponding path program 1 times [2024-11-19 14:59:16,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:16,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830997660] [2024-11-19 14:59:16,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:16,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:16,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:16,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830997660] [2024-11-19 14:59:16,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830997660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:16,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:16,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:59:16,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829745715] [2024-11-19 14:59:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:16,071 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:59:16,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:16,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:59:16,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:59:16,072 INFO L87 Difference]: Start difference. First operand 225 states and 286 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-19 14:59:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:16,227 INFO L93 Difference]: Finished difference Result 442 states and 555 transitions. [2024-11-19 14:59:16,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 555 transitions. [2024-11-19 14:59:16,232 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 326 [2024-11-19 14:59:16,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 442 states and 555 transitions. [2024-11-19 14:59:16,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 442 [2024-11-19 14:59:16,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 442 [2024-11-19 14:59:16,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 442 states and 555 transitions. [2024-11-19 14:59:16,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:16,236 INFO L218 hiAutomatonCegarLoop]: Abstraction has 442 states and 555 transitions. [2024-11-19 14:59:16,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states and 555 transitions. [2024-11-19 14:59:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 439. [2024-11-19 14:59:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 439 states have (on average 1.2505694760820045) internal successors, (549), 438 states have internal predecessors, (549), 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) [2024-11-19 14:59:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 549 transitions. [2024-11-19 14:59:16,249 INFO L240 hiAutomatonCegarLoop]: Abstraction has 439 states and 549 transitions. [2024-11-19 14:59:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:59:16,250 INFO L425 stractBuchiCegarLoop]: Abstraction has 439 states and 549 transitions. [2024-11-19 14:59:16,250 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:59:16,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 439 states and 549 transitions. [2024-11-19 14:59:16,251 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 324 [2024-11-19 14:59:16,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:16,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:16,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:16,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:16,252 INFO L745 eck$LassoCheckResult]: Stem: 1563#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1555#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1556#select_features_returnLabel#1 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; 1635#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1522#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1523#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1623#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1663#L667-2 [2024-11-19 14:59:16,252 INFO L747 eck$LassoCheckResult]: Loop: 1663#L667-2 assume !false; 1571#L668 assume test_~splverifierCounter~0#1 < 4; 1572#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1933#L677 assume !(0 != test_~tmp~5#1); 1934#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1954#L687 assume !(0 != test_~tmp___0~1#1); 1952#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1951#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1576#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1598#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1949#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 1948#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1947#L120 assume !(0 != ~pumpRunning~0); 1741#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1567#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1568#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1616#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1599#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1600#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1648#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 1649#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1534#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1535#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1626#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1946#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 1945#L852 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1853#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 1833#L856 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1832#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1824#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1663#L667-2 [2024-11-19 14:59:16,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:16,253 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-19 14:59:16,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:16,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263289674] [2024-11-19 14:59:16,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:59:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:16,259 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:59:16,259 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:16,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:16,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash 61885472, now seen corresponding path program 1 times [2024-11-19 14:59:16,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:16,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312815996] [2024-11-19 14:59:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:16,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:16,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:16,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1903972023, now seen corresponding path program 1 times [2024-11-19 14:59:16,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:16,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806254987] [2024-11-19 14:59:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:16,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:16,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:17,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:59:17 BoogieIcfgContainer [2024-11-19 14:59:17,016 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:59:17,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:59:17,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:59:17,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:59:17,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:15" (3/4) ... [2024-11-19 14:59:17,018 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:59:17,061 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:59:17,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:59:17,064 INFO L158 Benchmark]: Toolchain (without parser) took 2941.55ms. Allocated memory is still 180.4MB. Free memory was 145.0MB in the beginning and 83.2MB in the end (delta: 61.9MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,064 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:17,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.69ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 123.0MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.56ms. Allocated memory is still 180.4MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,065 INFO L158 Benchmark]: Boogie Preprocessor took 35.90ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 118.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,065 INFO L158 Benchmark]: RCFGBuilder took 497.36ms. Allocated memory is still 180.4MB. Free memory was 118.0MB in the beginning and 95.8MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,065 INFO L158 Benchmark]: BuchiAutomizer took 1933.82ms. Allocated memory is still 180.4MB. Free memory was 95.8MB in the beginning and 86.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,065 INFO L158 Benchmark]: Witness Printer took 45.25ms. Allocated memory is still 180.4MB. Free memory was 86.3MB in the beginning and 83.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:17,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.69ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 123.0MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.56ms. Allocated memory is still 180.4MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.90ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 118.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.36ms. Allocated memory is still 180.4MB. Free memory was 118.0MB in the beginning and 95.8MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1933.82ms. Allocated memory is still 180.4MB. Free memory was 95.8MB in the beginning and 86.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 45.25ms. Allocated memory is still 180.4MB. Free memory was 86.3MB in the beginning and 83.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 287]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] - GenericResultAtLocation [Line: 725]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] - GenericResultAtLocation [Line: 823]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] - GenericResultAtLocation [Line: 873]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 439 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 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, 630 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 630 mSDsluCounter, 1444 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 987 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 457 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 667]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 667]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:59:17,086 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)