./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_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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_spec5_product51.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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:55:35,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:55:35,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:55:35,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:55:36,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:55:36,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:55:36,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:55:36,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:55:36,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:55:36,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:55:36,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:55:36,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:55:36,034 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:55:36,034 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:55:36,034 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:55:36,036 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:55:36,036 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:55:36,037 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:55:36,037 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:55:36,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:55:36,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:55:36,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:55:36,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:55:36,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:55:36,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:55:36,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:55:36,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:55:36,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:55:36,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:55:36,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:55:36,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:55:36,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:55:36,043 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:55:36,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:55:36,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:55:36,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:55:36,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:55:36,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:55:36,045 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:55:36,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2024-10-15 00:55:36,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:55:36,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:55:36,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:55:36,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:55:36,356 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:55:36,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2024-10-15 00:55:37,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:55:38,072 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:55:38,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2024-10-15 00:55:38,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c4b24aa/1b12accddb9a43aa962797241e7f6294/FLAG6160081ae [2024-10-15 00:55:38,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c4b24aa/1b12accddb9a43aa962797241e7f6294 [2024-10-15 00:55:38,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:55:38,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:55:38,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:55:38,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:55:38,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:55:38,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f6d1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38, skipping insertion in model container [2024-10-15 00:55:38,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:55:38,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:55:38,508 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:55:38,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-10-15 00:55:38,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] [2024-10-15 00:55:38,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] [2024-10-15 00:55:38,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] [2024-10-15 00:55:38,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2024-10-15 00:55:38,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2024-10-15 00:55:38,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] [2024-10-15 00:55:38,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] [2024-10-15 00:55:38,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:55:38,620 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:55:38,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38 WrapperNode [2024-10-15 00:55:38,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:55:38,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:55:38,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:55:38,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:55:38,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,678 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 89, statements flattened = 596 [2024-10-15 00:55:38,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:55:38,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:55:38,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:55:38,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:55:38,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,712 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]. [2024-10-15 00:55:38,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:55:38,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:55:38,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:55:38,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:55:38,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (1/1) ... [2024-10-15 00:55:38,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:38,794 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) [2024-10-15 00:55:38,802 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 [2024-10-15 00:55:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:55:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:55:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:55:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:55:38,945 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:55:38,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:55:39,424 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-10-15 00:55:39,424 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:55:39,445 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:55:39,446 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:55:39,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:39 BoogieIcfgContainer [2024-10-15 00:55:39,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:55:39,448 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:55:39,448 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:55:39,451 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:55:39,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:39,453 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:55:38" (1/3) ... [2024-10-15 00:55:39,454 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c3fb25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:55:39, skipping insertion in model container [2024-10-15 00:55:39,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:39,454 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:38" (2/3) ... [2024-10-15 00:55:39,456 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c3fb25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:55:39, skipping insertion in model container [2024-10-15 00:55:39,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:39,456 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:39" (3/3) ... [2024-10-15 00:55:39,458 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2024-10-15 00:55:39,518 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:55:39,519 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:55:39,520 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:55:39,520 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:55:39,520 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:55:39,520 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:55:39,520 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:55:39,521 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:55:39,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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) [2024-10-15 00:55:39,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-10-15 00:55:39,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:39,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:39,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:39,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:39,590 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:55:39,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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) [2024-10-15 00:55:39,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-10-15 00:55:39,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:39,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:39,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:39,613 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:39,642 INFO L745 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 146#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 120#valid_product_returnLabel#1true main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 149#L368true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 95#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 163#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 18#L392-2true [2024-10-15 00:55:39,646 INFO L747 eck$LassoCheckResult]: Loop: 18#L392-2true assume !false; 26#L393true assume test_~splverifierCounter~0#1 < 4; 19#L394true havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 117#L402true assume !(0 != test_~tmp~5#1); 88#L402-2true havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 71#L412true assume !(0 != test_~tmp___0~2#1); 59#L412-2true havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 23#L422true assume 0 != test_~tmp___2~0#1; 56#L428-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 158#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 109#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 136#L73true assume !(0 != ~pumpRunning~0); 35#L73-2true assume !(0 != ~systemActive~0); 160#L80-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 82#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 128#L990true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 92#L990-1true havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 83#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 18#L392-2true [2024-10-15 00:55:39,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:39,656 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-15 00:55:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:39,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834124284] [2024-10-15 00:55:39,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:39,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:39,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:39,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:39,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:39,792 INFO L85 PathProgramCache]: Analyzing trace with hash 856069518, now seen corresponding path program 1 times [2024-10-15 00:55:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70047785] [2024-10-15 00:55:39,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:39,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:39,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:39,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash -483282889, now seen corresponding path program 1 times [2024-10-15 00:55:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:39,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539556127] [2024-10-15 00:55:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:40,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:55:40,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539556127] [2024-10-15 00:55:40,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539556127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:55:40,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:55:40,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:55:40,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651880785] [2024-10-15 00:55:40,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:55:40,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:55:40,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 00:55:40,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-15 00:55:40,218 INFO L87 Difference]: Start difference. First operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-10-15 00:55:40,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:55:40,374 INFO L93 Difference]: Finished difference Result 411 states and 540 transitions. [2024-10-15 00:55:40,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 411 states and 540 transitions. [2024-10-15 00:55:40,383 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 265 [2024-10-15 00:55:40,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 411 states to 381 states and 510 transitions. [2024-10-15 00:55:40,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 381 [2024-10-15 00:55:40,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 381 [2024-10-15 00:55:40,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 381 states and 510 transitions. [2024-10-15 00:55:40,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:55:40,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 381 states and 510 transitions. [2024-10-15 00:55:40,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states and 510 transitions. [2024-10-15 00:55:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 224. [2024-10-15 00:55:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.3348214285714286) internal successors, (299), 223 states have internal predecessors, (299), 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) [2024-10-15 00:55:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2024-10-15 00:55:40,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 224 states and 299 transitions. [2024-10-15 00:55:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:55:40,444 INFO L425 stractBuchiCegarLoop]: Abstraction has 224 states and 299 transitions. [2024-10-15 00:55:40,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:55:40,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 299 transitions. [2024-10-15 00:55:40,447 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2024-10-15 00:55:40,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:40,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:40,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:40,448 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] [2024-10-15 00:55:40,448 INFO L745 eck$LassoCheckResult]: Stem: 661#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 662#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 659#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 755#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 756#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 735#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 736#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 635#L392-2 [2024-10-15 00:55:40,448 INFO L747 eck$LassoCheckResult]: Loop: 635#L392-2 assume !false; 636#L393 assume test_~splverifierCounter~0#1 < 4; 637#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 638#L402 assume !(0 != test_~tmp~5#1); 651#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 710#L412 assume !(0 != test_~tmp___0~2#1); 609#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 644#L422 assume 0 != test_~tmp___2~0#1; 645#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 695#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 745#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 746#L73 assume !(0 != ~pumpRunning~0); 663#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 664#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 684#L105-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 610#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 611#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 723#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 757#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 724#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 725#L990 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 734#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 726#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 635#L392-2 [2024-10-15 00:55:40,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-15 00:55:40,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:40,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852586848] [2024-10-15 00:55:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:40,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:40,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:40,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:40,481 INFO L85 PathProgramCache]: Analyzing trace with hash 947144250, now seen corresponding path program 1 times [2024-10-15 00:55:40,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:40,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414667178] [2024-10-15 00:55:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:40,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:40,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:55:40,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414667178] [2024-10-15 00:55:40,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414667178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:55:40,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:55:40,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:55:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989847694] [2024-10-15 00:55:40,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:55:40,506 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:55:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:55:40,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:55:40,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:55:40,508 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:40,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:55:40,606 INFO L93 Difference]: Finished difference Result 283 states and 362 transitions. [2024-10-15 00:55:40,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 362 transitions. [2024-10-15 00:55:40,609 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2024-10-15 00:55:40,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 362 transitions. [2024-10-15 00:55:40,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2024-10-15 00:55:40,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2024-10-15 00:55:40,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 362 transitions. [2024-10-15 00:55:40,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:55:40,619 INFO L218 hiAutomatonCegarLoop]: Abstraction has 283 states and 362 transitions. [2024-10-15 00:55:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 362 transitions. [2024-10-15 00:55:40,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-10-15 00:55:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2791519434628975) internal successors, (362), 282 states have internal predecessors, (362), 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) [2024-10-15 00:55:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 362 transitions. [2024-10-15 00:55:40,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 362 transitions. [2024-10-15 00:55:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:55:40,644 INFO L425 stractBuchiCegarLoop]: Abstraction has 283 states and 362 transitions. [2024-10-15 00:55:40,644 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:55:40,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 362 transitions. [2024-10-15 00:55:40,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2024-10-15 00:55:40,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:40,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:40,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:40,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:40,651 INFO L745 eck$LassoCheckResult]: Stem: 1170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 1171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1168#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1169#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1272#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1273#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1247#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1248#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1292#L392-2 [2024-10-15 00:55:40,651 INFO L747 eck$LassoCheckResult]: Loop: 1292#L392-2 assume !false; 1363#L393 assume test_~splverifierCounter~0#1 < 4; 1364#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1402#L402 assume !(0 != test_~tmp~5#1); 1400#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1398#L412 assume !(0 != test_~tmp___0~2#1); 1208#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1154#L422 assume 0 != test_~tmp___2~0#1; 1155#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1205#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 1290#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1277#L73 assume !(0 != ~pumpRunning~0); 1172#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1173#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1194#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1195#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1192#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1183#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1184#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1193#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1123#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1124#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1185#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1235#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1274#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 1371#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1369#L990 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1366#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1365#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1292#L392-2 [2024-10-15 00:55:40,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-10-15 00:55:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201373310] [2024-10-15 00:55:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:40,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:40,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:40,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:40,681 INFO L85 PathProgramCache]: Analyzing trace with hash 128933330, now seen corresponding path program 1 times [2024-10-15 00:55:40,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:40,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533437837] [2024-10-15 00:55:40,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:40,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:55:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533437837] [2024-10-15 00:55:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533437837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:55:40,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:55:40,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:55:40,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360913482] [2024-10-15 00:55:40,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:55:40,798 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:55:40,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:55:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:55:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:55:40,799 INFO L87 Difference]: Start difference. First operand 283 states and 362 transitions. cyclomatic complexity: 82 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-15 00:55:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:55:40,947 INFO L93 Difference]: Finished difference Result 558 states and 707 transitions. [2024-10-15 00:55:40,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 707 transitions. [2024-10-15 00:55:40,953 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 402 [2024-10-15 00:55:40,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 558 states and 707 transitions. [2024-10-15 00:55:40,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 558 [2024-10-15 00:55:40,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2024-10-15 00:55:40,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 558 states and 707 transitions. [2024-10-15 00:55:40,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:55:40,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 558 states and 707 transitions. [2024-10-15 00:55:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states and 707 transitions. [2024-10-15 00:55:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 555. [2024-10-15 00:55:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.263063063063063) internal successors, (701), 554 states have internal predecessors, (701), 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) [2024-10-15 00:55:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 701 transitions. [2024-10-15 00:55:40,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 555 states and 701 transitions. [2024-10-15 00:55:40,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:55:40,990 INFO L425 stractBuchiCegarLoop]: Abstraction has 555 states and 701 transitions. [2024-10-15 00:55:40,990 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:55:40,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 701 transitions. [2024-10-15 00:55:40,993 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 400 [2024-10-15 00:55:40,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:40,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:40,994 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:40,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:40,996 INFO L745 eck$LassoCheckResult]: Stem: 2026#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 2027#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2024#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2025#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 2153#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2154#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 2122#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2123#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1999#L392-2 [2024-10-15 00:55:40,996 INFO L747 eck$LassoCheckResult]: Loop: 1999#L392-2 assume !false; 2000#L393 assume test_~splverifierCounter~0#1 < 4; 2001#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2002#L402 assume !(0 != test_~tmp~5#1); 2149#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2087#L412 assume !(0 != test_~tmp___0~2#1); 1975#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2010#L422 assume 0 != test_~tmp___2~0#1; 2011#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2063#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 2194#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2491#L73 assume !(0 != ~pumpRunning~0); 2028#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2029#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 2053#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2271#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2048#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 2049#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2268#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2187#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1976#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1977#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2041#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2159#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 2160#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 2477#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2476#L990 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2475#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret53#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 2474#L994 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 2472#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2106#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1999#L392-2 [2024-10-15 00:55:40,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:40,997 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-10-15 00:55:40,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:40,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084059043] [2024-10-15 00:55:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:41,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash -670124147, now seen corresponding path program 1 times [2024-10-15 00:55:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:41,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006409219] [2024-10-15 00:55:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:41,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:41,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:41,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1482164348, now seen corresponding path program 1 times [2024-10-15 00:55:41,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:41,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885897160] [2024-10-15 00:55:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:41,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:42,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:42,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:55:42 BoogieIcfgContainer [2024-10-15 00:55:42,119 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:55:42,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:55:42,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:55:42,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:55:42,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:39" (3/4) ... [2024-10-15 00:55:42,123 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:55:42,189 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:55:42,190 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:55:42,191 INFO L158 Benchmark]: Toolchain (without parser) took 4070.09ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 107.3MB in the beginning and 54.9MB in the end (delta: 52.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,191 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:55:42,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.95ms. Allocated memory is still 146.8MB. Free memory was 106.6MB in the beginning and 85.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.14ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 82.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,193 INFO L158 Benchmark]: Boogie Preprocessor took 55.46ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 78.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,193 INFO L158 Benchmark]: RCFGBuilder took 711.42ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 50.0MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,194 INFO L158 Benchmark]: BuchiAutomizer took 2671.31ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 58.1MB in the end (delta: -8.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,194 INFO L158 Benchmark]: Witness Printer took 70.74ms. Allocated memory is still 182.5MB. Free memory was 58.1MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:55:42,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.95ms. Allocated memory is still 146.8MB. Free memory was 106.6MB in the beginning and 85.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.14ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 82.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.46ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 78.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 711.42ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 50.0MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2671.31ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 58.1MB in the end (delta: -8.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 70.74ms. Allocated memory is still 182.5MB. Free memory was 58.1MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 277]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 953]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] - GenericResultAtLocation [Line: 962]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 555 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 160 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 768 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 768 mSDsluCounter, 2218 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1562 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 656 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 392]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L278] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; [L963] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L359] int retValue_acc ; [L360] int tmp ; [L364] FCALL select_helpers() [L365] FCALL select_features() [L366] CALL, EXPR valid_product() [L475] int retValue_acc ; [L478] retValue_acc = 1 [L479] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L366] RET, EXPR valid_product() [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L370] FCALL setup() [L371] CALL runTest() [L349] CALL __utac_acc__Specification5_spec__1() [L968] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L349] RET __utac_acc__Specification5_spec__1() [L350] CALL test() [L383] int splverifierCounter ; [L384] int tmp ; [L385] int tmp___0 ; [L386] int tmp___1 ; [L387] int tmp___2 ; [L390] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L392] COND TRUE 1 [L394] COND TRUE splverifierCounter < 4 [L400] tmp = __VERIFIER_nondet_int() [L402] COND FALSE !(\read(tmp)) [L410] tmp___0 = __VERIFIER_nondet_int() [L412] COND FALSE !(\read(tmp___0)) [L420] tmp___2 = __VERIFIER_nondet_int() [L422] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L977] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L977] RET, EXPR isPumpRunning() [L977] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L983] int tmp ; [L984] int tmp___0 ; [L988] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L988] RET, EXPR getWaterLevel() [L988] tmp = getWaterLevel() [L990] COND TRUE tmp != 2 [L992] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L992] RET, EXPR isPumpRunning() [L992] tmp___0 = isPumpRunning() [L994] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L437] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 392]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L278] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; [L963] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L359] int retValue_acc ; [L360] int tmp ; [L364] FCALL select_helpers() [L365] FCALL select_features() [L366] CALL, EXPR valid_product() [L475] int retValue_acc ; [L478] retValue_acc = 1 [L479] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L366] RET, EXPR valid_product() [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L370] FCALL setup() [L371] CALL runTest() [L349] CALL __utac_acc__Specification5_spec__1() [L968] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L349] RET __utac_acc__Specification5_spec__1() [L350] CALL test() [L383] int splverifierCounter ; [L384] int tmp ; [L385] int tmp___0 ; [L386] int tmp___1 ; [L387] int tmp___2 ; [L390] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L392] COND TRUE 1 [L394] COND TRUE splverifierCounter < 4 [L400] tmp = __VERIFIER_nondet_int() [L402] COND FALSE !(\read(tmp)) [L410] tmp___0 = __VERIFIER_nondet_int() [L412] COND FALSE !(\read(tmp___0)) [L420] tmp___2 = __VERIFIER_nondet_int() [L422] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L977] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L977] RET, EXPR isPumpRunning() [L977] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L983] int tmp ; [L984] int tmp___0 ; [L988] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L988] RET, EXPR getWaterLevel() [L988] tmp = getWaterLevel() [L990] COND TRUE tmp != 2 [L992] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L992] RET, EXPR isPumpRunning() [L992] tmp___0 = isPumpRunning() [L994] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L437] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:55:42,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)