./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/minepump_spec5_product15.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 d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:50:19,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:50:19,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:50:19,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:50:19,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:50:19,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:50:19,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:50:19,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:50:19,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:50:19,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:50:19,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:50:19,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:50:19,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:50:19,659 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:50:19,659 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:50:19,661 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:50:19,662 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:50:19,662 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:50:19,662 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:50:19,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:50:19,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:50:19,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:50:19,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:50:19,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:50:19,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:50:19,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:50:19,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:50:19,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:50:19,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:50:19,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:50:19,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:50:19,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:50:19,666 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:50:19,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:50:19,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:50:19,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:50:19,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:50:19,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:50:19,667 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:50:19,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 [2024-11-23 02:50:19,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:50:19,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:50:19,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:50:19,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:50:19,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:50:19,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2024-11-23 02:50:21,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:50:21,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:50:21,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2024-11-23 02:50:21,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9bcf727/5280b17a6b1745b8a323ef341b98ffde/FLAG664f58562 [2024-11-23 02:50:21,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9bcf727/5280b17a6b1745b8a323ef341b98ffde [2024-11-23 02:50:21,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:50:21,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:50:21,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:21,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:50:21,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:50:21,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:21" (1/1) ... [2024-11-23 02:50:21,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6726298a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:21, skipping insertion in model container [2024-11-23 02:50:21,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:21" (1/1) ... [2024-11-23 02:50:21,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:50:22,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:22,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:50:22,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-23 02:50:22,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-11-23 02:50:22,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521] [2024-11-23 02:50:22,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [698] [2024-11-23 02:50:22,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [765] [2024-11-23 02:50:22,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] [2024-11-23 02:50:22,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [881] [2024-11-23 02:50:22,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [890] [2024-11-23 02:50:22,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:22,315 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:50:22,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22 WrapperNode [2024-11-23 02:50:22,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:22,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:22,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:50:22,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:50:22,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,357 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 59, statements flattened = 356 [2024-11-23 02:50:22,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:22,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:50:22,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:50:22,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:50:22,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,384 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 02:50:22,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:50:22,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:50:22,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:50:22,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:50:22,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2024-11-23 02:50:22,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:50:22,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:50:22,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:50:22,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 02:50:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:50:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:50:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:50:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:50:22,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:50:22,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:50:22,852 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-23 02:50:22,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:50:22,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:50:22,866 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:50:22,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:22 BoogieIcfgContainer [2024-11-23 02:50:22,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:50:22,867 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:50:22,868 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:50:22,872 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:50:22,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:22,873 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:50:21" (1/3) ... [2024-11-23 02:50:22,874 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f58a830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:22, skipping insertion in model container [2024-11-23 02:50:22,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:22,874 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (2/3) ... [2024-11-23 02:50:22,874 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f58a830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:22, skipping insertion in model container [2024-11-23 02:50:22,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:22,874 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:22" (3/3) ... [2024-11-23 02:50:22,876 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2024-11-23 02:50:22,923 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:50:22,923 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:50:22,924 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:50:22,924 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:50:22,924 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:50:22,924 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:50:22,924 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:50:22,924 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:50:22,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:50:22,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-23 02:50:22,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:22,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:22,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:22,957 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:22,957 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:50:22,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:50:22,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-23 02:50:22,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:22,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:22,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:22,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:22,971 INFO L745 eck$LassoCheckResult]: Stem: 26#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 18#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 85#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 92#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 68#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; 107#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 11#L709-2true [2024-11-23 02:50:22,971 INFO L747 eck$LassoCheckResult]: Loop: 11#L709-2true assume !false; 67#L710true assume test_~splverifierCounter~0#1 < 4; 35#L711true havoc test_#t~nondet39#1;test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 70#L719true assume !(0 != test_~tmp~6#1); 20#L719-2true havoc test_#t~nondet40#1;test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 30#L729true assume !(0 != test_~tmp___0~0#1); 84#L729-2true havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 3#L739true assume 0 != test_~tmp___2~0#1; 102#L745-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 103#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 80#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 78#L541true assume !(0 != ~pumpRunning~0); 17#L541-2true assume !(0 != ~systemActive~0); 99#L548-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 57#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 16#L918true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 28#L918-1true havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 58#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 11#L709-2true [2024-11-23 02:50:22,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:22,976 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 02:50:22,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062335247] [2024-11-23 02:50:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:23,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:23,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:23,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:23,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1362689682, now seen corresponding path program 1 times [2024-11-23 02:50:23,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:23,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026835187] [2024-11-23 02:50:23,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:23,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:23,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:23,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:23,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:23,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1592925207, now seen corresponding path program 1 times [2024-11-23 02:50:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:23,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754149804] [2024-11-23 02:50:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:23,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:50:23,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:23,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754149804] [2024-11-23 02:50:23,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754149804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:23,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:23,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:50:23,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035594990] [2024-11-23 02:50:23,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:23,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:50:23,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:50:23,898 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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) [2024-11-23 02:50:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:24,070 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2024-11-23 02:50:24,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 354 transitions. [2024-11-23 02:50:24,086 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2024-11-23 02:50:24,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 324 transitions. [2024-11-23 02:50:24,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2024-11-23 02:50:24,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2024-11-23 02:50:24,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2024-11-23 02:50:24,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:24,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2024-11-23 02:50:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2024-11-23 02:50:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2024-11-23 02:50:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:50:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2024-11-23 02:50:24,150 INFO L240 hiAutomatonCegarLoop]: Abstraction has 158 states and 206 transitions. [2024-11-23 02:50:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:50:24,160 INFO L425 stractBuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2024-11-23 02:50:24,160 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:50:24,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 206 transitions. [2024-11-23 02:50:24,162 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2024-11-23 02:50:24,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:24,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:24,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:24,170 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:24,170 INFO L745 eck$LassoCheckResult]: Stem: 448#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 436#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 437#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 499#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 500#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 489#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; 490#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 423#L709-2 [2024-11-23 02:50:24,170 INFO L747 eck$LassoCheckResult]: Loop: 423#L709-2 assume !false; 424#L710 assume test_~splverifierCounter~0#1 < 4; 459#L711 havoc test_#t~nondet39#1;test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 460#L719 assume !(0 != test_~tmp~6#1); 441#L719-2 havoc test_#t~nondet40#1;test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 442#L729 assume !(0 != test_~tmp___0~0#1); 454#L729-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 410#L739 assume 0 != test_~tmp___2~0#1; 411#L745-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 505#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 498#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 495#L541 assume !(0 != ~pumpRunning~0); 434#L541-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 435#L573 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 467#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 468#L573-1 havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 476#L548-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 482#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 431#L918 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 432#L918-1 havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 452#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 423#L709-2 [2024-11-23 02:50:24,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,171 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 02:50:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869698734] [2024-11-23 02:50:24,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:50:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,192 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:50:24,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:24,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:24,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1072775674, now seen corresponding path program 1 times [2024-11-23 02:50:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889627004] [2024-11-23 02:50:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:24,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash 671398577, now seen corresponding path program 1 times [2024-11-23 02:50:24,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690473641] [2024-11-23 02:50:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:50:24,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:24,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690473641] [2024-11-23 02:50:24,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690473641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:24,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 02:50:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21250913] [2024-11-23 02:50:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:24,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:24,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 02:50:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 02:50:24,587 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 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) [2024-11-23 02:50:24,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:24,808 INFO L93 Difference]: Finished difference Result 308 states and 398 transitions. [2024-11-23 02:50:24,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 308 states and 398 transitions. [2024-11-23 02:50:24,821 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 224 [2024-11-23 02:50:24,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 308 states to 308 states and 398 transitions. [2024-11-23 02:50:24,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2024-11-23 02:50:24,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2024-11-23 02:50:24,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 398 transitions. [2024-11-23 02:50:24,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:24,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 308 states and 398 transitions. [2024-11-23 02:50:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 398 transitions. [2024-11-23 02:50:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 302. [2024-11-23 02:50:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:50:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-23 02:50:24,874 INFO L240 hiAutomatonCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-23 02:50:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 02:50:24,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-23 02:50:24,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:50:24,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 302 states and 386 transitions. [2024-11-23 02:50:24,880 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 220 [2024-11-23 02:50:24,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:24,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:24,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:24,881 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] [2024-11-23 02:50:24,881 INFO L745 eck$LassoCheckResult]: Stem: 928#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 929#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 916#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 917#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 995#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 996#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 977#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; 978#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1013#L709-2 [2024-11-23 02:50:24,882 INFO L747 eck$LassoCheckResult]: Loop: 1013#L709-2 assume !false; 1086#L710 assume test_~splverifierCounter~0#1 < 4; 1087#L711 havoc test_#t~nondet39#1;test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 981#L719 assume !(0 != test_~tmp~6#1); 920#L719-2 havoc test_#t~nondet40#1;test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 921#L729 assume !(0 != test_~tmp___0~0#1); 935#L729-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 890#L739 assume 0 != test_~tmp___2~0#1; 891#L745-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 1009#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 991#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 988#L541 assume !(0 != ~pumpRunning~0); 914#L541-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 915#L573 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 950#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 951#L573-1 havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1102#L548-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1100#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1099#L918 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 1098#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1097#L922 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 1094#L918-1 havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1093#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1013#L709-2 [2024-11-23 02:50:24,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,889 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-23 02:50:24,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794156429] [2024-11-23 02:50:24,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:50:24,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:50:24,906 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:24,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:24,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,928 INFO L85 PathProgramCache]: Analyzing trace with hash 124266581, now seen corresponding path program 1 times [2024-11-23 02:50:24,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061142170] [2024-11-23 02:50:24,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:24,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:24,966 INFO L85 PathProgramCache]: Analyzing trace with hash 947933004, now seen corresponding path program 1 times [2024-11-23 02:50:24,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:24,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439421947] [2024-11-23 02:50:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:24,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:24,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:25,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:25,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:25,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:50:25 BoogieIcfgContainer [2024-11-23 02:50:25,832 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:50:25,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:50:25,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:50:25,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:50:25,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:22" (3/4) ... [2024-11-23 02:50:25,834 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:50:25,870 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:50:25,871 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:50:25,871 INFO L158 Benchmark]: Toolchain (without parser) took 3966.08ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 78.3MB in the beginning and 136.0MB in the end (delta: -57.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,871 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:50:25,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.60ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 78.1MB in the beginning and 191.5MB in the end (delta: -113.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.49ms. Allocated memory is still 230.7MB. Free memory was 191.5MB in the beginning and 189.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,872 INFO L158 Benchmark]: Boogie Preprocessor took 43.27ms. Allocated memory is still 230.7MB. Free memory was 189.5MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,872 INFO L158 Benchmark]: RCFGBuilder took 464.69ms. Allocated memory is still 230.7MB. Free memory was 186.4MB in the beginning and 165.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,873 INFO L158 Benchmark]: BuchiAutomizer took 2964.23ms. Allocated memory is still 230.7MB. Free memory was 165.4MB in the beginning and 139.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,873 INFO L158 Benchmark]: Witness Printer took 38.62ms. Allocated memory is still 230.7MB. Free memory was 139.2MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:25,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.60ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 78.1MB in the beginning and 191.5MB in the end (delta: -113.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.49ms. Allocated memory is still 230.7MB. Free memory was 191.5MB in the beginning and 189.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.27ms. Allocated memory is still 230.7MB. Free memory was 189.5MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.69ms. Allocated memory is still 230.7MB. Free memory was 186.4MB in the beginning and 165.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2964.23ms. Allocated memory is still 230.7MB. Free memory was 165.4MB in the beginning and 139.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 38.62ms. Allocated memory is still 230.7MB. Free memory was 139.2MB in the beginning and 136.0MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521] - GenericResultAtLocation [Line: 698]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [698] - GenericResultAtLocation [Line: 765]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [765] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] - GenericResultAtLocation [Line: 881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [881] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [890] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 302 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 97 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, 332 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 1219 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 940 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 279 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 709]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L529] int pumpRunning = 0; [L530] int systemActive = 1; [L802] int waterLevel = 1; [L803] int methaneLevelCritical = 0; [L891] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L792] int retValue_acc ; [L795] retValue_acc = 1 [L796] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L896] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L700] int splverifierCounter ; [L701] int tmp ; [L702] int tmp___0 ; [L703] int tmp___1 ; [L704] int tmp___2 ; [L707] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L709] COND TRUE 1 [L711] COND TRUE splverifierCounter < 4 [L717] tmp = __VERIFIER_nondet_int() [L719] COND FALSE !(\read(tmp)) [L727] tmp___0 = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp___0)) [L737] tmp___2 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___2) [L754] CALL timeShift() [L539] CALL __utac_acc__Specification5_spec__2() [L905] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L905] RET, EXPR isPumpRunning() [L905] switchedOnBeforeTS = isPumpRunning() [L539] RET __utac_acc__Specification5_spec__2() [L541] COND FALSE !(\read(pumpRunning)) [L548] COND TRUE \read(systemActive) [L550] CALL processEnvironment() [L570] int tmp ; [L573] COND FALSE !(\read(pumpRunning)) [L588] FCALL processEnvironment__wrappee__methaneQuery() [L550] RET processEnvironment() [L556] CALL __utac_acc__Specification5_spec__3() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L873] int retValue_acc ; [L876] retValue_acc = waterLevel [L877] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND TRUE tmp != 2 [L920] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L920] RET, EXPR isPumpRunning() [L920] tmp___0 = isPumpRunning() [L922] COND FALSE !(\read(tmp___0)) [L556] RET __utac_acc__Specification5_spec__3() [L754] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 709]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L529] int pumpRunning = 0; [L530] int systemActive = 1; [L802] int waterLevel = 1; [L803] int methaneLevelCritical = 0; [L891] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L792] int retValue_acc ; [L795] retValue_acc = 1 [L796] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L896] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L700] int splverifierCounter ; [L701] int tmp ; [L702] int tmp___0 ; [L703] int tmp___1 ; [L704] int tmp___2 ; [L707] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L709] COND TRUE 1 [L711] COND TRUE splverifierCounter < 4 [L717] tmp = __VERIFIER_nondet_int() [L719] COND FALSE !(\read(tmp)) [L727] tmp___0 = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp___0)) [L737] tmp___2 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___2) [L754] CALL timeShift() [L539] CALL __utac_acc__Specification5_spec__2() [L905] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L905] RET, EXPR isPumpRunning() [L905] switchedOnBeforeTS = isPumpRunning() [L539] RET __utac_acc__Specification5_spec__2() [L541] COND FALSE !(\read(pumpRunning)) [L548] COND TRUE \read(systemActive) [L550] CALL processEnvironment() [L570] int tmp ; [L573] COND FALSE !(\read(pumpRunning)) [L588] FCALL processEnvironment__wrappee__methaneQuery() [L550] RET processEnvironment() [L556] CALL __utac_acc__Specification5_spec__3() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L873] int retValue_acc ; [L876] retValue_acc = waterLevel [L877] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND TRUE tmp != 2 [L920] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L920] RET, EXPR isPumpRunning() [L920] tmp___0 = isPumpRunning() [L922] COND FALSE !(\read(tmp___0)) [L556] RET __utac_acc__Specification5_spec__3() [L754] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:50:25,895 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)