./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product31.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 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:57:44,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:57:44,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:57:44,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:57:44,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:57:44,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:57:44,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:57:44,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:57:44,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:57:44,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:57:44,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:57:44,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:57:44,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:57:44,999 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:57:45,000 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:57:45,000 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:57:45,000 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:57:45,000 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:57:45,001 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:57:45,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:57:45,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:57:45,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:57:45,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:57:45,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:57:45,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:57:45,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:57:45,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:57:45,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:57:45,008 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:57:45,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:57:45,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:57:45,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:57:45,010 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:57:45,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:57:45,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:57:45,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:57:45,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:57:45,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:57:45,013 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:57:45,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2024-11-19 14:57:45,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:57:45,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:57:45,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:57:45,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:57:45,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:57:45,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2024-11-19 14:57:46,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:57:46,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:57:46,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2024-11-19 14:57:46,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a9c0ca0/be8ab03b0354463eab7389446ec1634c/FLAG5c1d61e58 [2024-11-19 14:57:47,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a9c0ca0/be8ab03b0354463eab7389446ec1634c [2024-11-19 14:57:47,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:57:47,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:57:47,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:47,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:57:47,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:57:47,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86c73fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47, skipping insertion in model container [2024-11-19 14:57:47,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:57:47,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:47,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:57:47,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-19 14:57:47,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] [2024-11-19 14:57:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154] [2024-11-19 14:57:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] [2024-11-19 14:57:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] [2024-11-19 14:57:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805] [2024-11-19 14:57:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839] [2024-11-19 14:57:47,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877] [2024-11-19 14:57:47,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:47,754 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:57:47,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47 WrapperNode [2024-11-19 14:57:47,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:47,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:47,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:57:47,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:57:47,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,816 INFO L138 Inliner]: procedures = 55, calls = 103, calls flagged for inlining = 56, calls inlined = 85, statements flattened = 547 [2024-11-19 14:57:47,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:47,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:57:47,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:57:47,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:57:47,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,842 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 14:57:47,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:57:47,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:57:47,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:57:47,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:57:47,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (1/1) ... [2024-11-19 14:57:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:57:47,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:57:47,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:57:47,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:57:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:57:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:57:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:57:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:57:48,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:57:48,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:57:48,452 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-19 14:57:48,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:57:48,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:57:48,478 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:57:48,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:48 BoogieIcfgContainer [2024-11-19 14:57:48,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:57:48,480 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:57:48,480 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:57:48,483 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:57:48,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:48,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:57:47" (1/3) ... [2024-11-19 14:57:48,485 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b8c1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:48, skipping insertion in model container [2024-11-19 14:57:48,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:48,486 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:47" (2/3) ... [2024-11-19 14:57:48,487 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b8c1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:48, skipping insertion in model container [2024-11-19 14:57:48,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:48,487 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:48" (3/3) ... [2024-11-19 14:57:48,488 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product31.cil.c [2024-11-19 14:57:48,536 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:57:48,536 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:57:48,536 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:57:48,536 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:57:48,536 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:57:48,536 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:57:48,537 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:57:48,537 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:57:48,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:48,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-19 14:57:48,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:48,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:48,579 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:48,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:48,580 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:57:48,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:48,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-19 14:57:48,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:48,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:48,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:48,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:48,602 INFO L745 eck$LassoCheckResult]: Stem: 38#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 135#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 119#valid_product_returnLabel#1true main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 13#L960true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 95#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 75#L534-2true [2024-11-19 14:57:48,603 INFO L747 eck$LassoCheckResult]: Loop: 75#L534-2true assume !false; 115#L535true assume test_~splverifierCounter~0#1 < 4; 87#L536true havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 138#L544true assume !(0 != test_~tmp~3#1); 7#L544-2true havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 163#L554true assume !(0 != test_~tmp___0~0#1); 22#L554-2true havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 23#L564true assume 0 != test_~tmp___2~0#1; 61#L570-2true assume { :begin_inline_timeShift } true; 148#L603true assume !(0 != ~pumpRunning~0); 3#L603-2true assume !(0 != ~systemActive~0); 31#L610-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 91#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 103#L815true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 164#L821-1true havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 81#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 75#L534-2true [2024-11-19 14:57:48,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:57:48,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:48,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450434727] [2024-11-19 14:57:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:48,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:48,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash -126041962, now seen corresponding path program 1 times [2024-11-19 14:57:48,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:48,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793393124] [2024-11-19 14:57:48,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:48,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:48,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1229377114, now seen corresponding path program 1 times [2024-11-19 14:57:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:48,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005320151] [2024-11-19 14:57:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:48,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:57:49,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:49,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005320151] [2024-11-19 14:57:49,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005320151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:49,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:49,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:57:49,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590506904] [2024-11-19 14:57:49,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:49,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:57:49,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:57:49,282 INFO L87 Difference]: Start difference. First operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:49,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:49,441 INFO L93 Difference]: Finished difference Result 377 states and 488 transitions. [2024-11-19 14:57:49,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 488 transitions. [2024-11-19 14:57:49,451 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 243 [2024-11-19 14:57:49,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 347 states and 458 transitions. [2024-11-19 14:57:49,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 347 [2024-11-19 14:57:49,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 347 [2024-11-19 14:57:49,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 347 states and 458 transitions. [2024-11-19 14:57:49,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:49,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 347 states and 458 transitions. [2024-11-19 14:57:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states and 458 transitions. [2024-11-19 14:57:49,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 205. [2024-11-19 14:57:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.3219512195121952) internal successors, (271), 204 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2024-11-19 14:57:49,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-19 14:57:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:57:49,517 INFO L425 stractBuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-19 14:57:49,519 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:57:49,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 271 transitions. [2024-11-19 14:57:49,521 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2024-11-19 14:57:49,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:49,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:49,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:49,522 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] [2024-11-19 14:57:49,522 INFO L745 eck$LassoCheckResult]: Stem: 620#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 621#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 613#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 614#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 691#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 574#L960 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 575#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 656#L534-2 [2024-11-19 14:57:49,523 INFO L747 eck$LassoCheckResult]: Loop: 656#L534-2 assume !false; 657#L535 assume test_~splverifierCounter~0#1 < 4; 670#L536 havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 671#L544 assume !(0 != test_~tmp~3#1); 564#L544-2 havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 565#L554 assume !(0 != test_~tmp___0~0#1); 573#L554-2 havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 590#L564 assume 0 != test_~tmp___2~0#1; 592#L570-2 assume { :begin_inline_timeShift } true; 644#L603 assume !(0 != ~pumpRunning~0); 558#L603-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 559#L661 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 647#L635-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 560#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 561#L635-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 658#L661-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 605#L610-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 606#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 673#L815 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 680#L821-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 663#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 656#L534-2 [2024-11-19 14:57:49,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:57:49,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047120066] [2024-11-19 14:57:49,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:57:49,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,539 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:57:49,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:49,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:49,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,550 INFO L85 PathProgramCache]: Analyzing trace with hash 953573147, now seen corresponding path program 1 times [2024-11-19 14:57:49,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491600277] [2024-11-19 14:57:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:49,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:49,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1405242327, now seen corresponding path program 1 times [2024-11-19 14:57:49,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532123237] [2024-11-19 14:57:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:49,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:57:49,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532123237] [2024-11-19 14:57:49,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532123237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:49,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:49,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:57:49,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374262720] [2024-11-19 14:57:49,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:49,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:49,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:57:49,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:57:49,741 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:49,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:49,842 INFO L93 Difference]: Finished difference Result 403 states and 527 transitions. [2024-11-19 14:57:49,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 403 states and 527 transitions. [2024-11-19 14:57:49,847 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 288 [2024-11-19 14:57:49,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 403 states to 403 states and 527 transitions. [2024-11-19 14:57:49,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 403 [2024-11-19 14:57:49,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 403 [2024-11-19 14:57:49,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 403 states and 527 transitions. [2024-11-19 14:57:49,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:49,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 403 states and 527 transitions. [2024-11-19 14:57:49,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states and 527 transitions. [2024-11-19 14:57:49,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-19 14:57:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 403 states have (on average 1.3076923076923077) internal successors, (527), 402 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 527 transitions. [2024-11-19 14:57:49,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 403 states and 527 transitions. [2024-11-19 14:57:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:57:49,891 INFO L425 stractBuchiCegarLoop]: Abstraction has 403 states and 527 transitions. [2024-11-19 14:57:49,891 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:57:49,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 403 states and 527 transitions. [2024-11-19 14:57:49,894 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 288 [2024-11-19 14:57:49,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:49,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:49,895 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:49,897 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] [2024-11-19 14:57:49,897 INFO L745 eck$LassoCheckResult]: Stem: 1245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1238#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1239#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 1330#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1196#L960 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1197#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1289#L534-2 [2024-11-19 14:57:49,898 INFO L747 eck$LassoCheckResult]: Loop: 1289#L534-2 assume !false; 1290#L535 assume test_~splverifierCounter~0#1 < 4; 1326#L536 havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1434#L544 assume !(0 != test_~tmp~3#1); 1186#L544-2 havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1187#L554 assume !(0 != test_~tmp___0~0#1); 1372#L554-2 havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 1213#L564 assume 0 != test_~tmp___2~0#1; 1215#L570-2 assume { :begin_inline_timeShift } true; 1275#L603 assume !(0 != ~pumpRunning~0); 1423#L603-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1422#L661 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1421#L635-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1409#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1408#L635-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1306#L661-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1307#L610-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1444#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 1443#L815 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1294#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1295#L821 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1441#L821-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1296#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1289#L534-2 [2024-11-19 14:57:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:57:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330547943] [2024-11-19 14:57:49,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:57:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,906 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:57:49,910 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:49,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:49,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1556954000, now seen corresponding path program 1 times [2024-11-19 14:57:49,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993721036] [2024-11-19 14:57:49,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:49,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1819339084, now seen corresponding path program 1 times [2024-11-19 14:57:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486388956] [2024-11-19 14:57:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:49,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:50,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:50,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:57:50 BoogieIcfgContainer [2024-11-19 14:57:50,864 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:57:50,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:57:50,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:57:50,865 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:57:50,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:48" (3/4) ... [2024-11-19 14:57:50,868 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:57:50,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:57:50,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:57:50,931 INFO L158 Benchmark]: Toolchain (without parser) took 3621.02ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 132.0MB in the beginning and 141.1MB in the end (delta: -9.1MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,931 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:57:50,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.65ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 110.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.66ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 107.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,932 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 103.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,932 INFO L158 Benchmark]: RCFGBuilder took 611.16ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 77.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,933 INFO L158 Benchmark]: BuchiAutomizer took 2383.88ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 77.2MB in the beginning and 144.1MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:57:50,936 INFO L158 Benchmark]: Witness Printer took 65.70ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 141.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:50,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.65ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 110.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.66ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 107.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 103.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.16ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 77.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2383.88ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 77.2MB in the beginning and 144.1MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.70ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 141.1MB in the end (delta: 3.0MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] - GenericResultAtLocation [Line: 154]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] - GenericResultAtLocation [Line: 805]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805] - GenericResultAtLocation [Line: 839]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877] * 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 403 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 142 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 543 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 543 mSDsluCounter, 1706 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1312 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 394 mSDtfsCounter, 102 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: 534]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int pumpRunning = 0; [L596] int systemActive = 1; [L878] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L951] int retValue_acc ; [L952] int tmp ; [L956] FCALL select_helpers() [L957] FCALL select_features() [L958] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] RET, EXPR valid_product() [L958] tmp = valid_product() [L960] COND TRUE \read(tmp) [L962] FCALL setup() [L963] CALL runTest() [L945] CALL test() [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L534] COND TRUE 1 [L536] COND TRUE splverifierCounter < 4 [L542] tmp = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp)) [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) [L579] CALL timeShift() [L603] COND FALSE !(\read(pumpRunning)) [L610] COND TRUE \read(systemActive) [L612] CALL processEnvironment() [L658] int tmp ; [L661] COND FALSE !(\read(pumpRunning)) [L676] CALL processEnvironment__wrappee__methaneQuery() [L632] int tmp ; [L635] COND FALSE !(\read(pumpRunning)) [L650] FCALL processEnvironment__wrappee__base() [L676] RET processEnvironment__wrappee__methaneQuery() [L612] RET processEnvironment() [L618] CALL __utac_acc__Specification3_spec__1() [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L813] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() [L813] tmp = isMethaneLevelCritical() [L815] COND FALSE !(\read(tmp)) [L819] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L819] RET, EXPR getWaterLevel() [L819] tmp___0 = getWaterLevel() [L821] COND FALSE !(tmp___0 == 2) [L618] RET __utac_acc__Specification3_spec__1() [L579] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 534]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int pumpRunning = 0; [L596] int systemActive = 1; [L878] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L951] int retValue_acc ; [L952] int tmp ; [L956] FCALL select_helpers() [L957] FCALL select_features() [L958] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] RET, EXPR valid_product() [L958] tmp = valid_product() [L960] COND TRUE \read(tmp) [L962] FCALL setup() [L963] CALL runTest() [L945] CALL test() [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L534] COND TRUE 1 [L536] COND TRUE splverifierCounter < 4 [L542] tmp = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp)) [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) [L579] CALL timeShift() [L603] COND FALSE !(\read(pumpRunning)) [L610] COND TRUE \read(systemActive) [L612] CALL processEnvironment() [L658] int tmp ; [L661] COND FALSE !(\read(pumpRunning)) [L676] CALL processEnvironment__wrappee__methaneQuery() [L632] int tmp ; [L635] COND FALSE !(\read(pumpRunning)) [L650] FCALL processEnvironment__wrappee__base() [L676] RET processEnvironment__wrappee__methaneQuery() [L612] RET processEnvironment() [L618] CALL __utac_acc__Specification3_spec__1() [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L813] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() [L813] tmp = isMethaneLevelCritical() [L815] COND FALSE !(\read(tmp)) [L819] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L819] RET, EXPR getWaterLevel() [L819] tmp___0 = getWaterLevel() [L821] COND FALSE !(tmp___0 == 2) [L618] RET __utac_acc__Specification3_spec__1() [L579] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:57:50,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)