./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.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_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:59:02,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:59:02,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:59:02,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:59:02,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:59:02,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:59:02,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:59:02,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:59:02,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:59:02,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:59:02,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:59:02,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:59:02,779 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:59:02,779 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:59:02,780 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:59:02,781 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:59:02,781 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:59:02,781 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:59:02,781 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:59:02,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:59:02,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:59:02,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:59:02,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:59:02,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:59:02,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:59:02,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:59:02,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:59:02,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:59:02,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:59:02,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:59:02,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:59:02,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:59:02,787 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:59:02,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:59:02,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:59:02,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:59:02,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:59:02,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:59:02,788 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:59:02,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2024-11-19 14:59:03,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:59:03,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:59:03,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:59:03,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:59:03,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:59:03,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-19 14:59:04,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:59:04,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:59:04,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-19 14:59:04,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f42353c2e/242de7a8859646e3b831a0d5d33668ec/FLAG49687da0b [2024-11-19 14:59:04,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f42353c2e/242de7a8859646e3b831a0d5d33668ec [2024-11-19 14:59:04,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:59:04,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:59:04,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:04,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:59:04,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:59:04,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:04" (1/1) ... [2024-11-19 14:59:04,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd945d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:04, skipping insertion in model container [2024-11-19 14:59:04,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:04" (1/1) ... [2024-11-19 14:59:04,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:59:04,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:04,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:59:04,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-19 14:59:04,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-19 14:59:04,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] [2024-11-19 14:59:04,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] [2024-11-19 14:59:04,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] [2024-11-19 14:59:04,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] [2024-11-19 14:59:04,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] [2024-11-19 14:59:04,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2024-11-19 14:59:05,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:05,055 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:59:05,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05 WrapperNode [2024-11-19 14:59:05,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:05,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:05,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:59:05,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:59:05,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,118 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 59, statements flattened = 374 [2024-11-19 14:59:05,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:05,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:59:05,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:59:05,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:59:05,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,154 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 14:59:05,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:59:05,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:59:05,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:59:05,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:59:05,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (1/1) ... [2024-11-19 14:59:05,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:05,200 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 14:59:05,203 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 14:59:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:59:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:59:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:59:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:59:05,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:59:05,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:59:05,499 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-19 14:59:05,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:59:05,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:59:05,513 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:59:05,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:05 BoogieIcfgContainer [2024-11-19 14:59:05,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:59:05,514 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:59:05,514 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:59:05,517 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:59:05,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:05,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:59:04" (1/3) ... [2024-11-19 14:59:05,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30a80b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:05, skipping insertion in model container [2024-11-19 14:59:05,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:05,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:05" (2/3) ... [2024-11-19 14:59:05,519 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30a80b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:05, skipping insertion in model container [2024-11-19 14:59:05,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:05,519 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:05" (3/3) ... [2024-11-19 14:59:05,520 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2024-11-19 14:59:05,562 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:59:05,562 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:59:05,562 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:59:05,563 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:59:05,563 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:59:05,563 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:59:05,563 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:59:05,563 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:59:05,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 14:59:05,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-19 14:59:05,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:05,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:05,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:05,591 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:05,591 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:59:05,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 14:59:05,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-19 14:59:05,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:05,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:05,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:05,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:05,608 INFO L745 eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 94#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; 83#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 79#L937true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 71#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; 104#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L65-2true [2024-11-19 14:59:05,612 INFO L747 eck$LassoCheckResult]: Loop: 37#L65-2true assume !false; 32#L66true assume test_~splverifierCounter~0#1 < 4; 105#L67true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 61#L75true assume !(0 != test_~tmp~0#1); 102#L75-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 33#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 82#L95true assume 0 != test_~tmp___2~0#1; 81#L101-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 101#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 78#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 89#L142true assume !(0 != ~pumpRunning~0); 87#L142-2true assume !(0 != ~systemActive~0); 112#L149-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 62#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 6#L832true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 116#L832-1true havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 63#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 37#L65-2true [2024-11-19 14:59:05,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:05,621 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-19 14:59:05,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:05,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645171587] [2024-11-19 14:59:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:05,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:05,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:05,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:05,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:05,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1155605490, now seen corresponding path program 1 times [2024-11-19 14:59:05,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:05,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168129962] [2024-11-19 14:59:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:05,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:05,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:05,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:05,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1800009399, now seen corresponding path program 1 times [2024-11-19 14:59:05,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:05,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483162132] [2024-11-19 14:59:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:05,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:06,154 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 14:59:06,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483162132] [2024-11-19 14:59:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483162132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:06,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:06,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:59:06,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949700250] [2024-11-19 14:59:06,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:06,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:06,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:59:06,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:59:06,287 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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) [2024-11-19 14:59:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:06,388 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2024-11-19 14:59:06,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2024-11-19 14:59:06,394 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2024-11-19 14:59:06,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2024-11-19 14:59:06,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2024-11-19 14:59:06,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2024-11-19 14:59:06,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2024-11-19 14:59:06,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:06,407 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2024-11-19 14:59:06,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2024-11-19 14:59:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2024-11-19 14:59:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 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 14:59:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2024-11-19 14:59:06,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2024-11-19 14:59:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:59:06,448 INFO L425 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2024-11-19 14:59:06,448 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:59:06,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2024-11-19 14:59:06,450 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2024-11-19 14:59:06,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:06,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:06,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:06,450 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 14:59:06,451 INFO L745 eck$LassoCheckResult]: Stem: 472#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 465#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 466#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; 521#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 516#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 508#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; 509#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 486#L65-2 [2024-11-19 14:59:06,451 INFO L747 eck$LassoCheckResult]: Loop: 486#L65-2 assume !false; 477#L66 assume test_~splverifierCounter~0#1 < 4; 478#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 502#L75 assume !(0 != test_~tmp~0#1); 462#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 480#L85 assume !(0 != test_~tmp___0~0#1); 435#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 436#L95 assume 0 != test_~tmp___2~0#1; 518#L101-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 519#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 514#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 515#L142 assume !(0 != ~pumpRunning~0); 512#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 524#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 510#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 443#L174-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 523#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 503#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 432#L832 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 434#L832-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 504#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 486#L65-2 [2024-11-19 14:59:06,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,451 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-19 14:59:06,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753535474] [2024-11-19 14:59:06,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:59:06,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,459 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:59:06,459 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:06,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:06,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1782778502, now seen corresponding path program 1 times [2024-11-19 14:59:06,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884880269] [2024-11-19 14:59:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:06,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2110811697, now seen corresponding path program 1 times [2024-11-19 14:59:06,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556383094] [2024-11-19 14:59:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:06,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:06,576 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 14:59:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:06,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556383094] [2024-11-19 14:59:06,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556383094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:06,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:06,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:59:06,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585988622] [2024-11-19 14:59:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:06,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:06,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:59:06,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:59:06,718 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 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) [2024-11-19 14:59:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:06,863 INFO L93 Difference]: Finished difference Result 320 states and 416 transitions. [2024-11-19 14:59:06,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 320 states and 416 transitions. [2024-11-19 14:59:06,865 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2024-11-19 14:59:06,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 320 states to 320 states and 416 transitions. [2024-11-19 14:59:06,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 320 [2024-11-19 14:59:06,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 320 [2024-11-19 14:59:06,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 320 states and 416 transitions. [2024-11-19 14:59:06,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:06,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 320 states and 416 transitions. [2024-11-19 14:59:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states and 416 transitions. [2024-11-19 14:59:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2024-11-19 14:59:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 314 states have (on average 1.286624203821656) internal successors, (404), 313 states have internal predecessors, (404), 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 14:59:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 404 transitions. [2024-11-19 14:59:06,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 314 states and 404 transitions. [2024-11-19 14:59:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:59:06,895 INFO L425 stractBuchiCegarLoop]: Abstraction has 314 states and 404 transitions. [2024-11-19 14:59:06,895 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:59:06,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 404 transitions. [2024-11-19 14:59:06,897 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2024-11-19 14:59:06,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:06,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:06,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:06,897 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 14:59:06,898 INFO L745 eck$LassoCheckResult]: Stem: 971#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 972#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 964#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 965#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; 1033#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 1028#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1016#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; 1017#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1047#L65-2 [2024-11-19 14:59:06,898 INFO L747 eck$LassoCheckResult]: Loop: 1047#L65-2 assume !false; 1099#L66 assume test_~splverifierCounter~0#1 < 4; 1098#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1096#L75 assume !(0 != test_~tmp~0#1); 1094#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1092#L85 assume !(0 != test_~tmp___0~0#1); 1090#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1088#L95 assume 0 != test_~tmp___2~0#1; 1087#L101-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1086#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1085#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1038#L142 assume !(0 != ~pumpRunning~0); 1021#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1037#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1018#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 941#L174-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1053#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1054#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 930#L832 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 931#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1105#L836 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1102#L832-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1101#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1047#L65-2 [2024-11-19 14:59:06,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,901 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-19 14:59:06,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010125507] [2024-11-19 14:59:06,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:59:06,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,914 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:59:06,914 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:06,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:06,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash 420805813, now seen corresponding path program 1 times [2024-11-19 14:59:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815122797] [2024-11-19 14:59:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:06,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:06,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1244472236, now seen corresponding path program 1 times [2024-11-19 14:59:06,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:06,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795434886] [2024-11-19 14:59:06,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:06,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:06,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:07,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:07,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:59:07 BoogieIcfgContainer [2024-11-19 14:59:07,778 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:59:07,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:59:07,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:59:07,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:59:07,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:05" (3/4) ... [2024-11-19 14:59:07,781 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:59:07,826 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:59:07,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:59:07,827 INFO L158 Benchmark]: Toolchain (without parser) took 3183.62ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 97.0MB in the beginning and 113.7MB in the end (delta: -16.8MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,827 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:07,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.48ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 131.5MB in the end (delta: -34.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.66ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 128.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,828 INFO L158 Benchmark]: Boogie Preprocessor took 51.04ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 125.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,828 INFO L158 Benchmark]: RCFGBuilder took 339.84ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 104.3MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,829 INFO L158 Benchmark]: BuchiAutomizer took 2264.45ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 104.3MB in the beginning and 115.8MB in the end (delta: -11.5MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,829 INFO L158 Benchmark]: Witness Printer took 47.87ms. Allocated memory is still 257.9MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:07,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.48ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 131.5MB in the end (delta: -34.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.66ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 128.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.04ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 125.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.84ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 104.3MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2264.45ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 104.3MB in the beginning and 115.8MB in the end (delta: -11.5MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 47.87ms. Allocated memory is still 257.9MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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 314 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 103 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, 482 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 1104 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 840 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 264 mSDtfsCounter, 115 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L480] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int waterLevel = 1; [L679] int methaneLevelCritical = 0; [L805] int switchedOnBeforeTS ; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L928] int retValue_acc ; [L929] int tmp ; [L933] FCALL select_helpers() [L934] FCALL select_features() [L935] CALL, EXPR valid_product() [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L935] RET, EXPR valid_product() [L935] tmp = valid_product() [L937] COND TRUE \read(tmp) [L939] FCALL setup() [L940] CALL runTest() [L921] CALL __utac_acc__Specification5_spec__1() [L810] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L921] RET __utac_acc__Specification5_spec__1() [L922] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L819] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L819] RET, EXPR isPumpRunning() [L819] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L825] int tmp ; [L826] int tmp___0 ; [L830] CALL, EXPR getWaterLevel() [L749] int retValue_acc ; [L752] retValue_acc = waterLevel [L753] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp = getWaterLevel() [L832] COND TRUE tmp != 2 [L834] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___0 = isPumpRunning() [L836] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L480] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int waterLevel = 1; [L679] int methaneLevelCritical = 0; [L805] int switchedOnBeforeTS ; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L928] int retValue_acc ; [L929] int tmp ; [L933] FCALL select_helpers() [L934] FCALL select_features() [L935] CALL, EXPR valid_product() [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L935] RET, EXPR valid_product() [L935] tmp = valid_product() [L937] COND TRUE \read(tmp) [L939] FCALL setup() [L940] CALL runTest() [L921] CALL __utac_acc__Specification5_spec__1() [L810] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L921] RET __utac_acc__Specification5_spec__1() [L922] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L819] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L819] RET, EXPR isPumpRunning() [L819] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L825] int tmp ; [L826] int tmp___0 ; [L830] CALL, EXPR getWaterLevel() [L749] int retValue_acc ; [L752] retValue_acc = waterLevel [L753] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp = getWaterLevel() [L832] COND TRUE tmp != 2 [L834] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___0 = isPumpRunning() [L836] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:59:07,859 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)