./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product44.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_spec1_product44.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 cb53e49317620dbde25b1d7f6fa7078b4950e13e4d138c624b27be1c4ee0f3ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:56:25,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:56:25,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:56:25,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:56:25,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:56:25,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:56:25,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:56:25,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:56:25,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:56:25,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:56:25,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:56:25,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:56:25,591 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:56:25,592 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:56:25,592 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:56:25,592 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:56:25,593 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:56:25,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:56:25,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:56:25,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:56:25,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:56:25,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:56:25,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:56:25,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:56:25,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:56:25,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:56:25,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:56:25,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:56:25,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:56:25,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:56:25,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:56:25,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:56:25,599 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:56:25,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:56:25,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:56:25,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:56:25,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:56:25,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:56:25,606 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:56:25,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb53e49317620dbde25b1d7f6fa7078b4950e13e4d138c624b27be1c4ee0f3ad [2024-11-19 14:56:25,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:56:25,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:56:25,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:56:25,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:56:25,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:56:25,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2024-11-19 14:56:27,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:56:27,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:56:27,664 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2024-11-19 14:56:27,680 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80aca0b51/ab802eb175004c708ece12954bb890f4/FLAG8ec44841e [2024-11-19 14:56:27,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80aca0b51/ab802eb175004c708ece12954bb890f4 [2024-11-19 14:56:27,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:56:27,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:56:27,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:27,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:56:27,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:56:27,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:27" (1/1) ... [2024-11-19 14:56:27,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275ed7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:27, skipping insertion in model container [2024-11-19 14:56:27,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:27" (1/1) ... [2024-11-19 14:56:27,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:56:28,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:28,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:56:28,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-19 14:56:28,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-19 14:56:28,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2024-11-19 14:56:28,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] [2024-11-19 14:56:28,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [701] [2024-11-19 14:56:28,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [796] [2024-11-19 14:56:28,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [822] [2024-11-19 14:56:28,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [860] [2024-11-19 14:56:28,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:28,152 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:56:28,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28 WrapperNode [2024-11-19 14:56:28,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:28,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:28,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:56:28,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:56:28,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,218 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 62, statements flattened = 412 [2024-11-19 14:56:28,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:28,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:56:28,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:56:28,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:56:28,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,250 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 14:56:28,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:56:28,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:56:28,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:56:28,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:56:28,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (1/1) ... [2024-11-19 14:56:28,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:56:28,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:56:28,333 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 14:56:28,336 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 14:56:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:56:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:56:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:56:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:56:28,451 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:56:28,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:56:28,804 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-19 14:56:28,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:56:28,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:56:28,823 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:56:28,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28 BoogieIcfgContainer [2024-11-19 14:56:28,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:56:28,824 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:56:28,824 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:56:28,827 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:56:28,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:28,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:56:27" (1/3) ... [2024-11-19 14:56:28,829 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f179765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:28, skipping insertion in model container [2024-11-19 14:56:28,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:28,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:28" (2/3) ... [2024-11-19 14:56:28,829 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f179765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:28, skipping insertion in model container [2024-11-19 14:56:28,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:28,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28" (3/3) ... [2024-11-19 14:56:28,831 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product44.cil.c [2024-11-19 14:56:28,881 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:56:28,881 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:56:28,882 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:56:28,882 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:56:28,882 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:56:28,882 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:56:28,882 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:56:28,883 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:56:28,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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 14:56:28,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2024-11-19 14:56:28,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:28,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:28,918 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:28,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:28,919 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:56:28,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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 14:56:28,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2024-11-19 14:56:28,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:28,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:28,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:28,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:28,941 INFO L745 eck$LassoCheckResult]: Stem: 28#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 36#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 101#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~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 100#L943true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 66#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#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; 90#L441-2true [2024-11-19 14:56:28,943 INFO L747 eck$LassoCheckResult]: Loop: 90#L441-2true assume !false; 26#L442true assume test_~splverifierCounter~0#1 < 4; 54#L443true havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 126#L451true assume !(0 != test_~tmp~3#1); 87#L451-2true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 6#L461true assume !(0 != test_~tmp___0~0#1); 27#L461-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 23#L471true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 51#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 31#L479-2true assume { :begin_inline_timeShift } true; 77#L516true assume !(0 != ~pumpRunning~0); 29#L516-2true assume !(0 != ~systemActive~0); 73#L523-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 64#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 76#L805true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 88#L805-1true havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 57#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 90#L441-2true [2024-11-19 14:56:28,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:28,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:56:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:28,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445052099] [2024-11-19 14:56:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:28,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:29,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash 844251011, now seen corresponding path program 1 times [2024-11-19 14:56:29,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469271621] [2024-11-19 14:56:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:29,221 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 14:56:29,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:29,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469271621] [2024-11-19 14:56:29,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469271621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:29,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:56:29,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633761217] [2024-11-19 14:56:29,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:29,227 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:56:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:29,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:56:29,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:56:29,261 INFO L87 Difference]: Start difference. First operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 14:56:29,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:29,338 INFO L93 Difference]: Finished difference Result 229 states and 297 transitions. [2024-11-19 14:56:29,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 229 states and 297 transitions. [2024-11-19 14:56:29,350 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2024-11-19 14:56:29,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 229 states to 209 states and 276 transitions. [2024-11-19 14:56:29,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2024-11-19 14:56:29,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2024-11-19 14:56:29,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 276 transitions. [2024-11-19 14:56:29,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:29,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 209 states and 276 transitions. [2024-11-19 14:56:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 276 transitions. [2024-11-19 14:56:29,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2024-11-19 14:56:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.3203883495145632) internal successors, (272), 205 states have internal predecessors, (272), 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 14:56:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 272 transitions. [2024-11-19 14:56:29,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 272 transitions. [2024-11-19 14:56:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:56:29,400 INFO L425 stractBuchiCegarLoop]: Abstraction has 206 states and 272 transitions. [2024-11-19 14:56:29,400 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:56:29,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 272 transitions. [2024-11-19 14:56:29,405 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2024-11-19 14:56:29,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:29,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:29,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:29,406 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] [2024-11-19 14:56:29,407 INFO L745 eck$LassoCheckResult]: Stem: 406#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 407#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 396#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 397#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; 464#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~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 465#L943 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 450#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#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; 451#L441-2 [2024-11-19 14:56:29,407 INFO L747 eck$LassoCheckResult]: Loop: 451#L441-2 assume !false; 531#L442 assume test_~splverifierCounter~0#1 < 4; 532#L443 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 567#L451 assume !(0 != test_~tmp~3#1); 565#L451-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 563#L461 assume !(0 != test_~tmp___0~0#1); 561#L461-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 560#L471 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 400#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 436#L479-2 assume { :begin_inline_timeShift } true; 557#L516 assume !(0 != ~pumpRunning~0); 555#L516-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 554#L548 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 541#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 540#L548-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 539#L523-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 538#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 536#L805 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 534#L805-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 533#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 451#L441-2 [2024-11-19 14:56:29,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:56:29,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901681774] [2024-11-19 14:56:29,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:56:29,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:56:29,437 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:29,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:29,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1290336501, now seen corresponding path program 1 times [2024-11-19 14:56:29,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110552329] [2024-11-19 14:56:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:29,486 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 14:56:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110552329] [2024-11-19 14:56:29,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110552329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:29,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:29,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:56:29,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335294335] [2024-11-19 14:56:29,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:29,488 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:56:29,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:29,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:56:29,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:56:29,489 INFO L87 Difference]: Start difference. First operand 206 states and 272 transitions. cyclomatic complexity: 69 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 14:56:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:29,580 INFO L93 Difference]: Finished difference Result 318 states and 407 transitions. [2024-11-19 14:56:29,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 407 transitions. [2024-11-19 14:56:29,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2024-11-19 14:56:29,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 407 transitions. [2024-11-19 14:56:29,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2024-11-19 14:56:29,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2024-11-19 14:56:29,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 407 transitions. [2024-11-19 14:56:29,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:29,589 INFO L218 hiAutomatonCegarLoop]: Abstraction has 318 states and 407 transitions. [2024-11-19 14:56:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 407 transitions. [2024-11-19 14:56:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-19 14:56:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 318 states have (on average 1.279874213836478) internal successors, (407), 317 states have internal predecessors, (407), 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 14:56:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 407 transitions. [2024-11-19 14:56:29,611 INFO L240 hiAutomatonCegarLoop]: Abstraction has 318 states and 407 transitions. [2024-11-19 14:56:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:56:29,612 INFO L425 stractBuchiCegarLoop]: Abstraction has 318 states and 407 transitions. [2024-11-19 14:56:29,613 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:56:29,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 407 transitions. [2024-11-19 14:56:29,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2024-11-19 14:56:29,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:29,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:29,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:29,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:29,616 INFO L745 eck$LassoCheckResult]: Stem: 940#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 941#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 927#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 928#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; 1013#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~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 1014#L943 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 992#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#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; 993#L441-2 [2024-11-19 14:56:29,616 INFO L747 eck$LassoCheckResult]: Loop: 993#L441-2 assume !false; 1019#L442 assume test_~splverifierCounter~0#1 < 4; 980#L443 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 981#L451 assume !(0 != test_~tmp~3#1); 1017#L451-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 897#L461 assume !(0 != test_~tmp___0~0#1); 899#L461-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1124#L471 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 988#L479 assume !(0 != test_~tmp___1~0#1); 945#L479-2 assume { :begin_inline_timeShift } true; 946#L516 assume !(0 != ~pumpRunning~0); 1008#L516-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 982#L548 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 918#L786 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 919#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1; 920#L668 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 947#L668-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1038#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret31#1;havoc processEnvironment_#t~ret31#1; 959#L552 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 961#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1133#L548-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1132#L523-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 990#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 991#L805 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 1007#L805-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1128#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 993#L441-2 [2024-11-19 14:56:29,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:56:29,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58172522] [2024-11-19 14:56:29,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:56:29,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,631 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:56:29,631 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:29,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:29,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1808940495, now seen corresponding path program 1 times [2024-11-19 14:56:29,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111234407] [2024-11-19 14:56:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:29,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:29,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1682499219, now seen corresponding path program 1 times [2024-11-19 14:56:29,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:29,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374381152] [2024-11-19 14:56:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:29,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:29,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:30,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:30,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:56:30 BoogieIcfgContainer [2024-11-19 14:56:30,782 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:56:30,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:56:30,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:56:30,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:56:30,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28" (3/4) ... [2024-11-19 14:56:30,785 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:56:30,849 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:56:30,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:56:30,850 INFO L158 Benchmark]: Toolchain (without parser) took 3152.88ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 90.0MB in the beginning and 66.6MB in the end (delta: 23.4MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,850 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:56:30,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.29ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 68.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.44ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,851 INFO L158 Benchmark]: Boogie Preprocessor took 70.40ms. Allocated memory is still 144.7MB. Free memory was 65.5MB in the beginning and 115.5MB in the end (delta: -50.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,851 INFO L158 Benchmark]: RCFGBuilder took 533.14ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 115.4MB in the beginning and 138.4MB in the end (delta: -23.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,852 INFO L158 Benchmark]: BuchiAutomizer took 1958.12ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 69.7MB in the end (delta: 68.6MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,852 INFO L158 Benchmark]: Witness Printer took 66.74ms. Allocated memory is still 186.6MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:30,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.29ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 68.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.44ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.40ms. Allocated memory is still 144.7MB. Free memory was 65.5MB in the beginning and 115.5MB in the end (delta: -50.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.14ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 115.4MB in the beginning and 138.4MB in the end (delta: -23.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1958.12ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 69.7MB in the end (delta: 68.6MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Witness Printer took 66.74ms. Allocated memory is still 186.6MB. Free memory was 68.7MB in the beginning and 66.6MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] - GenericResultAtLocation [Line: 701]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [701] - GenericResultAtLocation [Line: 796]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [796] - GenericResultAtLocation [Line: 822]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [822] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [860] * 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 3 locations. The remainder module has 318 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. 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, 3 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, 261 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 508 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 295 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 441]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L703] int waterLevel = 1; [L704] int methaneLevelCritical = 0; [L861] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] int retValue_acc ; [L935] int tmp ; [L939] FCALL select_helpers() [L940] FCALL select_features() [L941] CALL, EXPR valid_product() [L852] int retValue_acc ; [L855] retValue_acc = 1 [L856] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] RET, EXPR valid_product() [L941] tmp = valid_product() [L943] COND TRUE \read(tmp) [L945] FCALL setup() [L946] CALL runTest() [L928] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___2)) [L477] tmp___1 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___1)) [L488] CALL timeShift() [L516] COND FALSE !(\read(pumpRunning)) [L523] COND TRUE \read(systemActive) [L525] CALL processEnvironment() [L545] int tmp ; [L548] COND TRUE ! pumpRunning [L550] CALL, EXPR isHighWaterLevel() [L660] int retValue_acc ; [L661] int tmp ; [L662] int tmp___0 ; [L666] CALL, EXPR isHighWaterSensorDry() [L783] int retValue_acc ; [L786] COND TRUE waterLevel < 2 [L787] retValue_acc = 1 [L788] return (retValue_acc); [L666] RET, EXPR isHighWaterSensorDry() [L666] tmp = isHighWaterSensorDry() [L668] COND TRUE \read(tmp) [L669] tmp___0 = 0 [L673] retValue_acc = tmp___0 [L674] return (retValue_acc); [L550] RET, EXPR isHighWaterLevel() [L550] tmp = isHighWaterLevel() [L552] COND FALSE !(\read(tmp)) [L558] FCALL processEnvironment__wrappee__base() [L525] RET processEnvironment() [L531] CALL __utac_acc__Specification1_spec__1() [L798] int tmp ; [L799] int tmp___0 ; [L803] CALL, EXPR isMethaneLevelCritical() [L742] int retValue_acc ; [L745] retValue_acc = methaneLevelCritical [L746] return (retValue_acc); [L803] RET, EXPR isMethaneLevelCritical() [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) [L531] RET __utac_acc__Specification1_spec__1() [L488] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 441]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L703] int waterLevel = 1; [L704] int methaneLevelCritical = 0; [L861] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] int retValue_acc ; [L935] int tmp ; [L939] FCALL select_helpers() [L940] FCALL select_features() [L941] CALL, EXPR valid_product() [L852] int retValue_acc ; [L855] retValue_acc = 1 [L856] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] RET, EXPR valid_product() [L941] tmp = valid_product() [L943] COND TRUE \read(tmp) [L945] FCALL setup() [L946] CALL runTest() [L928] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___2)) [L477] tmp___1 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___1)) [L488] CALL timeShift() [L516] COND FALSE !(\read(pumpRunning)) [L523] COND TRUE \read(systemActive) [L525] CALL processEnvironment() [L545] int tmp ; [L548] COND TRUE ! pumpRunning [L550] CALL, EXPR isHighWaterLevel() [L660] int retValue_acc ; [L661] int tmp ; [L662] int tmp___0 ; [L666] CALL, EXPR isHighWaterSensorDry() [L783] int retValue_acc ; [L786] COND TRUE waterLevel < 2 [L787] retValue_acc = 1 [L788] return (retValue_acc); [L666] RET, EXPR isHighWaterSensorDry() [L666] tmp = isHighWaterSensorDry() [L668] COND TRUE \read(tmp) [L669] tmp___0 = 0 [L673] retValue_acc = tmp___0 [L674] return (retValue_acc); [L550] RET, EXPR isHighWaterLevel() [L550] tmp = isHighWaterLevel() [L552] COND FALSE !(\read(tmp)) [L558] FCALL processEnvironment__wrappee__base() [L525] RET processEnvironment() [L531] CALL __utac_acc__Specification1_spec__1() [L798] int tmp ; [L799] int tmp___0 ; [L803] CALL, EXPR isMethaneLevelCritical() [L742] int retValue_acc ; [L745] retValue_acc = methaneLevelCritical [L746] return (retValue_acc); [L803] RET, EXPR isMethaneLevelCritical() [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) [L531] RET __utac_acc__Specification1_spec__1() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:56:30,887 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)