./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_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:39:53,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:39:53,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:39:53,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:39:53,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:39:53,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:39:53,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:39:53,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:39:53,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:39:53,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:39:53,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:39:53,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:39:53,912 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:39:53,913 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:39:53,913 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:39:53,914 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:39:53,914 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:39:53,914 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:39:53,915 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:39:53,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:39:53,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:39:53,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:39:53,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:39:53,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:39:53,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:39:53,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:39:53,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:39:53,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:39:53,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:39:53,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:39:53,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:39:53,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:39:53,919 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:39:53,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:39:53,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:39:53,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:39:53,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:39:53,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:39:53,922 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:39:53,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2024-10-13 17:39:54,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:39:54,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:39:54,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:39:54,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:39:54,183 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:39:54,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2024-10-13 17:39:55,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:39:55,896 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:39:55,899 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2024-10-13 17:39:55,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c9cdb88/d7e1aeb6209d4fbaba6c88cfeb28296a/FLAG907d741f8 [2024-10-13 17:39:55,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c9cdb88/d7e1aeb6209d4fbaba6c88cfeb28296a [2024-10-13 17:39:55,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:39:55,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:39:55,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:55,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:39:55,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:39:55,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:55" (1/1) ... [2024-10-13 17:39:55,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45594932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:55, skipping insertion in model container [2024-10-13 17:39:55,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:55" (1/1) ... [2024-10-13 17:39:55,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:39:56,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:56,275 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:39:56,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-13 17:39:56,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2024-10-13 17:39:56,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2024-10-13 17:39:56,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] [2024-10-13 17:39:56,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2024-10-13 17:39:56,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] [2024-10-13 17:39:56,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] [2024-10-13 17:39:56,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] [2024-10-13 17:39:56,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:56,392 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:39:56,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56 WrapperNode [2024-10-13 17:39:56,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:56,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:56,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:39:56,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:39:56,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,506 INFO L138 Inliner]: procedures = 63, calls = 123, calls flagged for inlining = 76, calls inlined = 455, statements flattened = 2722 [2024-10-13 17:39:56,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:56,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:39:56,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:39:56,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:39:56,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,566 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]. [2024-10-13 17:39:56,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:39:56,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:39:56,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:39:56,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:39:56,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (1/1) ... [2024-10-13 17:39:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:39:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:39:56,795 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) [2024-10-13 17:39:56,800 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 [2024-10-13 17:39:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:39:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:39:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:39:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:39:56,962 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:39:56,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:39:58,193 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-10-13 17:39:58,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:39:58,228 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:39:58,228 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:39:58,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:58 BoogieIcfgContainer [2024-10-13 17:39:58,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:39:58,233 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:39:58,234 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:39:58,237 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:39:58,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:58,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:39:55" (1/3) ... [2024-10-13 17:39:58,238 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b2ab3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:58, skipping insertion in model container [2024-10-13 17:39:58,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:58,239 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:56" (2/3) ... [2024-10-13 17:39:58,239 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b2ab3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:58, skipping insertion in model container [2024-10-13 17:39:58,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:58,240 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:58" (3/3) ... [2024-10-13 17:39:58,241 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2024-10-13 17:39:58,298 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:39:58,298 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:39:58,299 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:39:58,299 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:39:58,299 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:39:58,299 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:39:58,299 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:39:58,299 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:39:58,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 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) [2024-10-13 17:39:58,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2024-10-13 17:39:58,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:58,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:58,383 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:58,383 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:58,383 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:39:58,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 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) [2024-10-13 17:39:58,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2024-10-13 17:39:58,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:58,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:58,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:58,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:58,417 INFO L745 eck$LassoCheckResult]: Stem: 126#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 707#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 608#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 141#select_one_returnLabel#1true select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 740#select_one_returnLabel#2true select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 504#select_one_returnLabel#3true select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 87#select_one_returnLabel#4true select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 506#select_one_returnLabel#5true select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 122#select_one_returnLabel#6true select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 389#select_features_returnLabel#1true havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 470#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 294#L506true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 260#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 341#L540-2true [2024-10-13 17:39:58,419 INFO L747 eck$LassoCheckResult]: Loop: 341#L540-2true assume !false; 649#L541true assume test_~splverifierCounter~0#1 < 4; 315#L542true havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 684#L550true assume !(0 != test_~tmp~4#1); 115#L550-2true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 605#L560true assume !(0 != test_~tmp___0~0#1); 661#L560-2true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 237#L570true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 407#L582true assume !(0 != test_~tmp___1~0#1); 614#L582-1true assume { :begin_inline_timeShift } true; 594#L623true assume !(0 != ~pumpRunning~0); 16#L623-2true assume !(0 != ~systemActive~0); 630#L630-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 620#isMethaneLevelCritical_returnLabel#11true __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 349#L1003true assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 25#L1009-1true havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 540#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 341#L540-2true [2024-10-13 17:39:58,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:58,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2024-10-13 17:39:58,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:58,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133759052] [2024-10-13 17:39:58,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:58,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:58,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:58,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:58,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:58,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1278779181, now seen corresponding path program 1 times [2024-10-13 17:39:58,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:58,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541744511] [2024-10-13 17:39:58,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:58,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:58,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:58,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:58,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:58,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1716598071, now seen corresponding path program 1 times [2024-10-13 17:39:58,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:58,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765467796] [2024-10-13 17:39:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:58,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:58,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:58,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765467796] [2024-10-13 17:39:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765467796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:58,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:58,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 17:39:58,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655618626] [2024-10-13 17:39:58,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:58,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:59,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 17:39:59,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 17:39:59,032 INFO L87 Difference]: Start difference. First operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-10-13 17:39:59,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:59,299 INFO L93 Difference]: Finished difference Result 2351 states and 3144 transitions. [2024-10-13 17:39:59,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2351 states and 3144 transitions. [2024-10-13 17:39:59,322 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1558 [2024-10-13 17:39:59,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2351 states to 2311 states and 3104 transitions. [2024-10-13 17:39:59,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2311 [2024-10-13 17:39:59,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2311 [2024-10-13 17:39:59,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2311 states and 3104 transitions. [2024-10-13 17:39:59,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:59,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2311 states and 3104 transitions. [2024-10-13 17:39:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states and 3104 transitions. [2024-10-13 17:39:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 819. [2024-10-13 17:39:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 819 states have (on average 1.3418803418803418) internal successors, (1099), 818 states have internal predecessors, (1099), 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) [2024-10-13 17:39:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1099 transitions. [2024-10-13 17:39:59,446 INFO L240 hiAutomatonCegarLoop]: Abstraction has 819 states and 1099 transitions. [2024-10-13 17:39:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 17:39:59,451 INFO L425 stractBuchiCegarLoop]: Abstraction has 819 states and 1099 transitions. [2024-10-13 17:39:59,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:39:59,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 819 states and 1099 transitions. [2024-10-13 17:39:59,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 551 [2024-10-13 17:39:59,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:59,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:59,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:59,459 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] [2024-10-13 17:39:59,460 INFO L745 eck$LassoCheckResult]: Stem: 3564#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3757#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3602#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3603#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3515#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3458#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3459#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3520#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 3554#select_features_returnLabel#1 havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 3387#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 3388#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 3809#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3616#L540-2 [2024-10-13 17:39:59,460 INFO L747 eck$LassoCheckResult]: Loop: 3616#L540-2 assume !false; 3823#L541 assume test_~splverifierCounter~0#1 < 4; 3824#L542 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 3868#L550 assume !(0 != test_~tmp~4#1); 3150#L550-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 3535#L560 assume !(0 != test_~tmp___0~0#1); 3326#L560-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 3778#L570 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 3779#L582 assume !(0 != test_~tmp___1~0#1); 3293#L582-1 assume { :begin_inline_timeShift } true; 3739#L623 assume !(0 != ~pumpRunning~0); 3221#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3222#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3742#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3212#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3213#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3479#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3480#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3704#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3754#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 3776#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 3777#L1003 assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 3247#L1009-1 havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3248#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3616#L540-2 [2024-10-13 17:39:59,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:59,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2024-10-13 17:39:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:59,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952934821] [2024-10-13 17:39:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:59,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:59,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:59,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1304844227, now seen corresponding path program 1 times [2024-10-13 17:39:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:59,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551206488] [2024-10-13 17:39:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:59,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:59,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:59,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1942482189, now seen corresponding path program 1 times [2024-10-13 17:39:59,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:59,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349419413] [2024-10-13 17:39:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:59,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349419413] [2024-10-13 17:39:59,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349419413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:59,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:59,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:39:59,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254446322] [2024-10-13 17:39:59,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:59,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:59,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:39:59,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:39:59,688 INFO L87 Difference]: Start difference. First operand 819 states and 1099 transitions. cyclomatic complexity: 283 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-13 17:39:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:59,982 INFO L93 Difference]: Finished difference Result 1625 states and 2177 transitions. [2024-10-13 17:39:59,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1625 states and 2177 transitions. [2024-10-13 17:39:59,997 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1102 [2024-10-13 17:40:00,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1625 states to 1625 states and 2177 transitions. [2024-10-13 17:40:00,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1625 [2024-10-13 17:40:00,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1625 [2024-10-13 17:40:00,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1625 states and 2177 transitions. [2024-10-13 17:40:00,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:00,012 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-10-13 17:40:00,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states and 2177 transitions. [2024-10-13 17:40:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1625. [2024-10-13 17:40:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1625 states have (on average 1.3396923076923077) internal successors, (2177), 1624 states have internal predecessors, (2177), 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) [2024-10-13 17:40:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2177 transitions. [2024-10-13 17:40:00,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-10-13 17:40:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:40:00,049 INFO L425 stractBuchiCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-10-13 17:40:00,049 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:40:00,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1625 states and 2177 transitions. [2024-10-13 17:40:00,060 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1102 [2024-10-13 17:40:00,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:00,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:00,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:00,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:00,063 INFO L745 eck$LassoCheckResult]: Stem: 6056#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 6057#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 6296#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6101#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6102#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6003#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 5929#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 5930#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6007#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 6044#select_features_returnLabel#1 havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 5851#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 5852#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 6361#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6116#L540-2 [2024-10-13 17:40:00,064 INFO L747 eck$LassoCheckResult]: Loop: 6116#L540-2 assume !false; 6386#L541 assume test_~splverifierCounter~0#1 < 4; 6387#L542 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 6458#L550 assume !(0 != test_~tmp~4#1); 5610#L550-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 6024#L560 assume !(0 != test_~tmp___0~0#1); 5788#L560-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 6319#L570 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 6320#L582 assume !(0 != test_~tmp___1~0#1); 5757#L582-1 assume { :begin_inline_timeShift } true; 6270#L623 assume !(0 != ~pumpRunning~0); 5679#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 5680#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 6491#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 5670#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 5671#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 6792#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 6790#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 6291#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 6292#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 6317#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 6318#L1003 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~11#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 6501#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret55#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret55#1;havoc __utac_acc__Specification3_spec__1_#t~ret55#1; 5997#L1009 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1); 5706#L1009-1 havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 5707#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 6116#L540-2 [2024-10-13 17:40:00,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:00,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 3 times [2024-10-13 17:40:00,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:00,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629999293] [2024-10-13 17:40:00,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:00,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:00,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:00,104 INFO L85 PathProgramCache]: Analyzing trace with hash -173933160, now seen corresponding path program 1 times [2024-10-13 17:40:00,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:00,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912685287] [2024-10-13 17:40:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:00,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:00,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1584175006, now seen corresponding path program 1 times [2024-10-13 17:40:00,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613629462] [2024-10-13 17:40:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:00,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:00,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:01,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:40:01 BoogieIcfgContainer [2024-10-13 17:40:01,489 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:40:01,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:40:01,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:40:01,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:40:01,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:58" (3/4) ... [2024-10-13 17:40:01,491 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:40:01,573 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:40:01,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:40:01,577 INFO L158 Benchmark]: Toolchain (without parser) took 5646.38ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 96.3MB in the beginning and 170.4MB in the end (delta: -74.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:01,577 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:01,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.25ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 73.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 17:40:01,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.74ms. Allocated memory is still 165.7MB. Free memory was 73.8MB in the beginning and 64.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 17:40:01,578 INFO L158 Benchmark]: Boogie Preprocessor took 184.26ms. Allocated memory is still 165.7MB. Free memory was 64.5MB in the beginning and 132.1MB in the end (delta: -67.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-13 17:40:01,578 INFO L158 Benchmark]: RCFGBuilder took 1537.13ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 110.5MB in the end (delta: 21.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2024-10-13 17:40:01,579 INFO L158 Benchmark]: BuchiAutomizer took 3255.38ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 110.5MB in the beginning and 174.6MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:01,579 INFO L158 Benchmark]: Witness Printer took 87.14ms. Allocated memory is still 224.4MB. Free memory was 174.6MB in the beginning and 170.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:40:01,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.25ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 73.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.74ms. Allocated memory is still 165.7MB. Free memory was 73.8MB in the beginning and 64.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 184.26ms. Allocated memory is still 165.7MB. Free memory was 64.5MB in the beginning and 132.1MB in the end (delta: -67.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1537.13ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 110.5MB in the end (delta: 21.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3255.38ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 110.5MB in the beginning and 174.6MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.14ms. Allocated memory is still 224.4MB. Free memory was 174.6MB in the beginning and 170.4MB in the end (delta: 4.2MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] - GenericResultAtLocation [Line: 991]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] - GenericResultAtLocation [Line: 1027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] - GenericResultAtLocation [Line: 1036]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 1625 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1492 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6030 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6030 mSDsluCounter, 10095 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8111 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 1984 mSDtfsCounter, 306 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 540]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:40:01,610 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)