./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:56:01,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:56:01,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:56:01,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:56:01,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:56:01,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:56:01,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:56:01,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:56:01,181 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:56:01,182 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:56:01,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:56:01,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:56:01,183 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:56:01,183 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:56:01,185 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:56:01,185 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:56:01,185 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:56:01,186 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:56:01,186 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:56:01,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:56:01,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:56:01,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:56:01,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:56:01,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:56:01,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:56:01,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:56:01,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:56:01,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:56:01,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:56:01,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:56:01,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:56:01,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:56:01,193 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:56:01,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:56:01,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:56:01,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:56:01,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:56:01,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:56:01,195 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:56:01,195 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 [2024-10-12 00:56:01,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:56:01,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:56:01,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:56:01,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:56:01,501 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:56:01,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2024-10-12 00:56:02,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:56:03,161 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:56:03,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2024-10-12 00:56:03,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c439d5709/86381eb09c604f288689ee4173503e99/FLAG307a458f0 [2024-10-12 00:56:03,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c439d5709/86381eb09c604f288689ee4173503e99 [2024-10-12 00:56:03,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:56:03,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:56:03,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:56:03,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:56:03,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:56:03,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7107277d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03, skipping insertion in model container [2024-10-12 00:56:03,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:56:03,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:56:03,610 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:56:03,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-12 00:56:03,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] [2024-10-12 00:56:03,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] [2024-10-12 00:56:03,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [186] [2024-10-12 00:56:03,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [288] [2024-10-12 00:56:03,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [323] [2024-10-12 00:56:03,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-10-12 00:56:03,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [754] [2024-10-12 00:56:03,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:56:03,724 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:56:03,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03 WrapperNode [2024-10-12 00:56:03,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:56:03,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:56:03,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:56:03,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:56:03,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,807 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 98, statements flattened = 657 [2024-10-12 00:56:03,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:56:03,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:56:03,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:56:03,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:56:03,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,849 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]. [2024-10-12 00:56:03,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:56:03,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:56:03,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:56:03,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:56:03,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (1/1) ... [2024-10-12 00:56:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:56:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:56:03,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:56:03,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:56:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:56:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:56:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:56:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:56:04,191 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:56:04,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:56:04,685 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-10-12 00:56:04,685 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:56:04,704 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:56:04,705 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:56:04,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:56:04 BoogieIcfgContainer [2024-10-12 00:56:04,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:56:04,706 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:56:04,706 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:56:04,710 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:56:04,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:56:04,711 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:56:03" (1/3) ... [2024-10-12 00:56:04,712 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e79eb98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:56:04, skipping insertion in model container [2024-10-12 00:56:04,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:56:04,713 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:56:03" (2/3) ... [2024-10-12 00:56:04,713 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e79eb98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:56:04, skipping insertion in model container [2024-10-12 00:56:04,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:56:04,714 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:56:04" (3/3) ... [2024-10-12 00:56:04,715 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2024-10-12 00:56:04,770 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:56:04,771 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:56:04,771 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:56:04,771 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:56:04,771 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:56:04,771 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:56:04,771 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:56:04,771 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:56:04,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 183 states, 182 states have (on average 1.3516483516483517) internal successors, (246), 182 states have internal predecessors, (246), 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) [2024-10-12 00:56:04,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-10-12 00:56:04,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:56:04,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:56:04,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:04,806 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:04,806 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:56:04,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 183 states, 182 states have (on average 1.3516483516483517) internal successors, (246), 182 states have internal predecessors, (246), 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) [2024-10-12 00:56:04,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2024-10-12 00:56:04,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:56:04,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:56:04,816 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:04,816 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:04,822 INFO L745 eck$LassoCheckResult]: Stem: 41#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 58#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 148#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 128#valid_product_returnLabel#1true main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 156#L275true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 104#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 132#L700-2true [2024-10-12 00:56:04,823 INFO L747 eck$LassoCheckResult]: Loop: 132#L700-2true assume !false; 172#L701true assume test_~splverifierCounter~0#1 < 4; 32#L702true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 101#L710true assume !(0 != test_~tmp~5#1); 151#L710-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 42#L720true assume !(0 != test_~tmp___0~1#1); 161#L720-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 77#L730true assume 0 != test_~tmp___2~0#1; 68#L736-2true assume { :begin_inline_timeShift } true; 180#L764true assume !(0 != ~pumpRunning~0); 131#L764-2true assume !(0 != ~systemActive~0); 175#L771-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 92#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 85#L169true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 73#L169-1true havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 89#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 132#L700-2true [2024-10-12 00:56:04,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-12 00:56:04,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:04,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615602545] [2024-10-12 00:56:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:04,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:04,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:04,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:04,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1685709574, now seen corresponding path program 1 times [2024-10-12 00:56:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:04,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701527352] [2024-10-12 00:56:04,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:05,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1253838646, now seen corresponding path program 1 times [2024-10-12 00:56:05,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630404114] [2024-10-12 00:56:05,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:56:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:56:05,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:56:05,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630404114] [2024-10-12 00:56:05,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630404114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:56:05,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:56:05,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 00:56:05,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985233391] [2024-10-12 00:56:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:56:05,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:56:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:56:05,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 00:56:05,407 INFO L87 Difference]: Start difference. First operand has 183 states, 182 states have (on average 1.3516483516483517) internal successors, (246), 182 states have internal predecessors, (246), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-12 00:56:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:56:05,515 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2024-10-12 00:56:05,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 229 transitions. [2024-10-12 00:56:05,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-10-12 00:56:05,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 167 states and 219 transitions. [2024-10-12 00:56:05,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2024-10-12 00:56:05,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2024-10-12 00:56:05,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 219 transitions. [2024-10-12 00:56:05,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:56:05,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 219 transitions. [2024-10-12 00:56:05,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 219 transitions. [2024-10-12 00:56:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-10-12 00:56:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 167 states have (on average 1.311377245508982) internal successors, (219), 166 states have internal predecessors, (219), 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) [2024-10-12 00:56:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 219 transitions. [2024-10-12 00:56:05,570 INFO L240 hiAutomatonCegarLoop]: Abstraction has 167 states and 219 transitions. [2024-10-12 00:56:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 00:56:05,578 INFO L425 stractBuchiCegarLoop]: Abstraction has 167 states and 219 transitions. [2024-10-12 00:56:05,578 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:56:05,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 219 transitions. [2024-10-12 00:56:05,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2024-10-12 00:56:05,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:56:05,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:56:05,608 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:05,608 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:05,609 INFO L745 eck$LassoCheckResult]: Stem: 449#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 450#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 430#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 431#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 529#valid_product_returnLabel#1 main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 530#L275 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 510#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 501#L700-2 [2024-10-12 00:56:05,609 INFO L747 eck$LassoCheckResult]: Loop: 501#L700-2 assume !false; 532#L701 assume test_~splverifierCounter~0#1 < 4; 428#L702 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 429#L710 assume !(0 != test_~tmp~5#1); 508#L710-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 451#L720 assume !(0 != test_~tmp___0~1#1); 393#L720-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 491#L730 assume 0 != test_~tmp___2~0#1; 460#L736-2 assume { :begin_inline_timeShift } true; 482#L764 assume !(0 != ~pumpRunning~0); 427#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 519#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 495#L796-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 378#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 379#L796-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 481#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 528#L771-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 504#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 497#L169 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 486#L169-1 havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 487#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 501#L700-2 [2024-10-12 00:56:05,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-12 00:56:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249288762] [2024-10-12 00:56:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:05,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1994988367, now seen corresponding path program 1 times [2024-10-12 00:56:05,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517514321] [2024-10-12 00:56:05,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:56:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:56:05,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:56:05,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517514321] [2024-10-12 00:56:05,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517514321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:56:05,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:56:05,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:56:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239383483] [2024-10-12 00:56:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:56:05,673 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:56:05,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:56:05,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:56:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:56:05,674 INFO L87 Difference]: Start difference. First operand 167 states and 219 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:56:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:56:05,754 INFO L93 Difference]: Finished difference Result 228 states and 287 transitions. [2024-10-12 00:56:05,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 287 transitions. [2024-10-12 00:56:05,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2024-10-12 00:56:05,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 228 states and 287 transitions. [2024-10-12 00:56:05,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 228 [2024-10-12 00:56:05,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 228 [2024-10-12 00:56:05,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 228 states and 287 transitions. [2024-10-12 00:56:05,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:56:05,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 228 states and 287 transitions. [2024-10-12 00:56:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states and 287 transitions. [2024-10-12 00:56:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-12 00:56:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 228 states have (on average 1.2587719298245614) internal successors, (287), 227 states have internal predecessors, (287), 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) [2024-10-12 00:56:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 287 transitions. [2024-10-12 00:56:05,776 INFO L240 hiAutomatonCegarLoop]: Abstraction has 228 states and 287 transitions. [2024-10-12 00:56:05,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:56:05,777 INFO L425 stractBuchiCegarLoop]: Abstraction has 228 states and 287 transitions. [2024-10-12 00:56:05,777 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:56:05,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states and 287 transitions. [2024-10-12 00:56:05,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2024-10-12 00:56:05,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:56:05,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:56:05,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:05,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:56:05,784 INFO L745 eck$LassoCheckResult]: Stem: 845#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 846#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 831#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 832#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 939#valid_product_returnLabel#1 main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 940#L275 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 913#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 904#L700-2 [2024-10-12 00:56:05,784 INFO L747 eck$LassoCheckResult]: Loop: 904#L700-2 assume !false; 942#L701 assume test_~splverifierCounter~0#1 < 4; 829#L702 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 830#L710 assume !(0 != test_~tmp~5#1); 912#L710-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 847#L720 assume !(0 != test_~tmp___0~1#1); 792#L720-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 894#L730 assume 0 != test_~tmp___2~0#1; 861#L736-2 assume { :begin_inline_timeShift } true; 883#L764 assume !(0 != ~pumpRunning~0); 941#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 923#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 899#L796-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 876#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 872#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1; 873#L941-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 797#L941-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 798#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~6#1 := processEnvironment__wrappee__methaneQuery_#t~ret40#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1; 953#L800-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 862#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 863#L796-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 882#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 937#L771-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 907#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 900#L169 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 887#L169-1 havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 888#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 904#L700-2 [2024-10-12 00:56:05,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-12 00:56:05,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660447654] [2024-10-12 00:56:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:05,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash -413151479, now seen corresponding path program 1 times [2024-10-12 00:56:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325516461] [2024-10-12 00:56:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:05,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:56:05,844 INFO L85 PathProgramCache]: Analyzing trace with hash -37863739, now seen corresponding path program 1 times [2024-10-12 00:56:05,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:56:05,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428908980] [2024-10-12 00:56:05,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:56:05,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:56:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:05,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:06,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:56:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:56:06,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:56:06 BoogieIcfgContainer [2024-10-12 00:56:06,925 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:56:06,926 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:56:06,926 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:56:06,926 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:56:06,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:56:04" (3/4) ... [2024-10-12 00:56:06,928 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:56:06,989 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:56:06,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:56:06,990 INFO L158 Benchmark]: Toolchain (without parser) took 3792.14ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 102.3MB in the beginning and 97.4MB in the end (delta: 5.0MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,991 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:56:06,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.56ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 81.4MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 123.4MB in the end (delta: -42.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,994 INFO L158 Benchmark]: Boogie Preprocessor took 92.38ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 119.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,994 INFO L158 Benchmark]: RCFGBuilder took 803.90ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 99.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,994 INFO L158 Benchmark]: BuchiAutomizer took 2218.99ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 99.3MB in the beginning and 100.5MB in the end (delta: -1.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,995 INFO L158 Benchmark]: Witness Printer took 63.66ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 00:56:06,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.56ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 81.4MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 123.4MB in the end (delta: -42.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.38ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 119.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 803.90ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 99.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2218.99ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 99.3MB in the beginning and 100.5MB in the end (delta: -1.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 63.66ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [186] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [288] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [323] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 754]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [754] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 228 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 963 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 535 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 428 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 700]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int cleanupTimeShifts = 4; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L757] int pumpRunning = 0; [L758] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int retValue_acc ; [L267] int tmp ; [L271] FCALL select_helpers() [L272] FCALL select_features() [L273] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L273] RET, EXPR valid_product() [L273] tmp = valid_product() [L275] COND TRUE \read(tmp) [L277] FCALL setup() [L278] CALL runTest() [L257] CALL test() [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L700] COND TRUE 1 [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) [L743] CALL timeShift() [L764] COND FALSE !(\read(pumpRunning)) [L771] COND TRUE \read(systemActive) [L773] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] CALL processEnvironment__wrappee__methaneQuery() [L793] int tmp ; [L796] COND TRUE ! pumpRunning [L798] CALL, EXPR isHighWaterLevel() [L933] int retValue_acc ; [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L939] RET, EXPR isHighWaterSensorDry() [L939] tmp = isHighWaterSensorDry() [L941] COND TRUE \read(tmp) [L942] tmp___0 = 0 [L946] retValue_acc = tmp___0 [L947] return (retValue_acc); [L798] RET, EXPR isHighWaterLevel() [L798] tmp = isHighWaterLevel() [L800] COND FALSE !(\read(tmp)) [L806] FCALL processEnvironment__wrappee__base() [L837] RET processEnvironment__wrappee__methaneQuery() [L773] RET processEnvironment() [L779] CALL __utac_acc__Specification1_spec__1() [L162] int tmp ; [L163] int tmp___0 ; [L167] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L167] RET, EXPR isMethaneLevelCritical() [L167] tmp = isMethaneLevelCritical() [L169] COND FALSE !(\read(tmp)) [L779] RET __utac_acc__Specification1_spec__1() [L743] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 700]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int cleanupTimeShifts = 4; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L757] int pumpRunning = 0; [L758] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int retValue_acc ; [L267] int tmp ; [L271] FCALL select_helpers() [L272] FCALL select_features() [L273] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L273] RET, EXPR valid_product() [L273] tmp = valid_product() [L275] COND TRUE \read(tmp) [L277] FCALL setup() [L278] CALL runTest() [L257] CALL test() [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L700] COND TRUE 1 [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) [L743] CALL timeShift() [L764] COND FALSE !(\read(pumpRunning)) [L771] COND TRUE \read(systemActive) [L773] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] CALL processEnvironment__wrappee__methaneQuery() [L793] int tmp ; [L796] COND TRUE ! pumpRunning [L798] CALL, EXPR isHighWaterLevel() [L933] int retValue_acc ; [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L939] RET, EXPR isHighWaterSensorDry() [L939] tmp = isHighWaterSensorDry() [L941] COND TRUE \read(tmp) [L942] tmp___0 = 0 [L946] retValue_acc = tmp___0 [L947] return (retValue_acc); [L798] RET, EXPR isHighWaterLevel() [L798] tmp = isHighWaterLevel() [L800] COND FALSE !(\read(tmp)) [L806] FCALL processEnvironment__wrappee__base() [L837] RET processEnvironment__wrappee__methaneQuery() [L773] RET processEnvironment() [L779] CALL __utac_acc__Specification1_spec__1() [L162] int tmp ; [L163] int tmp___0 ; [L167] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L167] RET, EXPR isMethaneLevelCritical() [L167] tmp = isMethaneLevelCritical() [L169] COND FALSE !(\read(tmp)) [L779] RET __utac_acc__Specification1_spec__1() [L743] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:56:07,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)