./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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_spec2_product52.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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:39:14,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:39:14,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:39:14,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:39:14,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:39:14,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:39:14,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:39:14,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:39:14,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:39:14,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:39:14,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:39:14,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:39:14,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:39:14,593 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:39:14,594 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:39:14,595 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:39:14,595 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:39:14,595 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:39:14,595 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:39:14,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:39:14,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:39:14,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:39:14,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:39:14,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:39:14,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:39:14,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:39:14,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:39:14,598 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:39:14,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:39:14,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:39:14,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:39:14,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:39:14,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:39:14,599 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:39:14,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2024-11-12 21:39:14,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:39:14,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:39:14,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:39:14,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:39:14,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:39:14,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2024-11-12 21:39:16,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:39:16,442 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:39:16,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2024-11-12 21:39:16,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30f95fbb/cbd7fc27c54a4c1ea5effa8e7c924f6f/FLAG9f70d13d1 [2024-11-12 21:39:16,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d30f95fbb/cbd7fc27c54a4c1ea5effa8e7c924f6f [2024-11-12 21:39:16,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:39:16,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:39:16,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:16,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:39:16,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:39:16,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:16" (1/1) ... [2024-11-12 21:39:16,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8a4570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:16, skipping insertion in model container [2024-11-12 21:39:16,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:16" (1/1) ... [2024-11-12 21:39:16,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:39:17,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:17,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:39:17,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-12 21:39:17,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2024-11-12 21:39:17,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] [2024-11-12 21:39:17,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:17,183 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:39:17,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17 WrapperNode [2024-11-12 21:39:17,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:17,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:17,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:39:17,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:39:17,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,250 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 56, calls inlined = 84, statements flattened = 575 [2024-11-12 21:39:17,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:17,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:39:17,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:39:17,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:39:17,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,297 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]. [2024-11-12 21:39:17,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:39:17,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:39:17,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:39:17,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:39:17,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (1/1) ... [2024-11-12 21:39:17,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:39:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:17,492 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) [2024-11-12 21:39:17,494 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 [2024-11-12 21:39:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:39:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:39:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:39:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:39:17,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:39:17,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:39:18,034 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-12 21:39:18,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:39:18,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:39:18,058 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:39:18,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:18 BoogieIcfgContainer [2024-11-12 21:39:18,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:39:18,060 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:39:18,060 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:39:18,062 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:39:18,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:18,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:39:16" (1/3) ... [2024-11-12 21:39:18,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@471d0ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:18, skipping insertion in model container [2024-11-12 21:39:18,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:18,064 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:17" (2/3) ... [2024-11-12 21:39:18,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@471d0ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:18, skipping insertion in model container [2024-11-12 21:39:18,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:18,064 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:18" (3/3) ... [2024-11-12 21:39:18,066 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2024-11-12 21:39:18,114 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:39:18,114 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:39:18,114 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:39:18,114 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:39:18,114 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:39:18,114 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:39:18,115 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:39:18,115 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:39:18,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 174 states, 173 states have (on average 1.3757225433526012) internal successors, (238), 173 states have internal predecessors, (238), 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) [2024-11-12 21:39:18,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-12 21:39:18,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:18,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:18,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,147 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,147 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:39:18,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 174 states, 173 states have (on average 1.3757225433526012) internal successors, (238), 173 states have internal predecessors, (238), 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) [2024-11-12 21:39:18,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2024-11-12 21:39:18,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:18,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:18,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,165 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~5#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_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;" [2024-11-12 21:39:18,165 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:18,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-12 21:39:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:18,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314726795] [2024-11-12 21:39:18,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:18,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:18,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:18,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash -863100949, now seen corresponding path program 1 times [2024-11-12 21:39:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093907867] [2024-11-12 21:39:18,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:18,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:18,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093907867] [2024-11-12 21:39:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093907867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49381019] [2024-11-12 21:39:18,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:18,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:18,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:18,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:39:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:18,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:39:18,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:18,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:18,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49381019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:18,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:18,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074762859] [2024-11-12 21:39:18,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:18,509 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:18,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:18,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:18,536 INFO L87 Difference]: Start difference. First operand has 174 states, 173 states have (on average 1.3757225433526012) internal successors, (238), 173 states have internal predecessors, (238), 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) [2024-11-12 21:39:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:18,593 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2024-11-12 21:39:18,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 326 states and 436 transitions. [2024-11-12 21:39:18,600 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 212 [2024-11-12 21:39:18,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 326 states to 306 states and 415 transitions. [2024-11-12 21:39:18,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2024-11-12 21:39:18,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2024-11-12 21:39:18,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 415 transitions. [2024-11-12 21:39:18,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:18,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 415 transitions. [2024-11-12 21:39:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 415 transitions. [2024-11-12 21:39:18,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 303. [2024-11-12 21:39:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.3564356435643565) internal successors, (411), 302 states have internal predecessors, (411), 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) [2024-11-12 21:39:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 411 transitions. [2024-11-12 21:39:18,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 303 states and 411 transitions. [2024-11-12 21:39:18,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:18,644 INFO L426 stractBuchiCegarLoop]: Abstraction has 303 states and 411 transitions. [2024-11-12 21:39:18,644 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:39:18,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 411 transitions. [2024-11-12 21:39:18,647 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2024-11-12 21:39:18,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:18,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:18,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,648 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] [2024-11-12 21:39:18,648 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~5#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_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;" [2024-11-12 21:39:18,648 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:18,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:18,649 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-12 21:39:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:18,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275012549] [2024-11-12 21:39:18,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:18,659 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:18,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:18,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:18,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1767338373, now seen corresponding path program 1 times [2024-11-12 21:39:18,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:18,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354072248] [2024-11-12 21:39:18,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:18,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:18,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354072248] [2024-11-12 21:39:18,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354072248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:18,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068185919] [2024-11-12 21:39:18,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:18,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:18,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:18,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:39:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:18,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:39:18,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:18,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:18,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068185919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:18,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:18,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:18,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322804974] [2024-11-12 21:39:18,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:18,796 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:18,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:18,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:18,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:18,797 INFO L87 Difference]: Start difference. First operand 303 states and 411 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-12 21:39:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:18,934 INFO L93 Difference]: Finished difference Result 421 states and 552 transitions. [2024-11-12 21:39:18,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 421 states and 552 transitions. [2024-11-12 21:39:18,942 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 299 [2024-11-12 21:39:18,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 421 states to 421 states and 552 transitions. [2024-11-12 21:39:18,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 421 [2024-11-12 21:39:18,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 421 [2024-11-12 21:39:18,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 421 states and 552 transitions. [2024-11-12 21:39:18,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:18,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 421 states and 552 transitions. [2024-11-12 21:39:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states and 552 transitions. [2024-11-12 21:39:18,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2024-11-12 21:39:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 421 states have (on average 1.3111638954869358) internal successors, (552), 420 states have internal predecessors, (552), 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) [2024-11-12 21:39:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 552 transitions. [2024-11-12 21:39:18,978 INFO L240 hiAutomatonCegarLoop]: Abstraction has 421 states and 552 transitions. [2024-11-12 21:39:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:18,980 INFO L426 stractBuchiCegarLoop]: Abstraction has 421 states and 552 transitions. [2024-11-12 21:39:18,980 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:39:18,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 421 states and 552 transitions. [2024-11-12 21:39:18,987 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 299 [2024-11-12 21:39:18,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:18,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:18,989 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:18,989 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~5#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_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;" [2024-11-12 21:39:18,989 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:18,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-12 21:39:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:18,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462232979] [2024-11-12 21:39:18,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,013 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:19,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1774139067, now seen corresponding path program 1 times [2024-11-12 21:39:19,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:19,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844717720] [2024-11-12 21:39:19,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:19,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,036 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:19,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash -775068498, now seen corresponding path program 1 times [2024-11-12 21:39:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:19,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511724258] [2024-11-12 21:39:19,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,069 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:19,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:39:19 BoogieIcfgContainer [2024-11-12 21:39:20,001 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:39:20,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:39:20,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:39:20,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:39:20,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:18" (3/4) ... [2024-11-12 21:39:20,004 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:39:20,056 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:39:20,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:39:20,056 INFO L158 Benchmark]: Toolchain (without parser) took 3232.03ms. Allocated memory is still 226.5MB. Free memory was 157.3MB in the beginning and 94.4MB in the end (delta: 62.9MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,057 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:20,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.84ms. Allocated memory is still 226.5MB. Free memory was 157.0MB in the beginning and 135.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.61ms. Allocated memory is still 226.5MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,057 INFO L158 Benchmark]: Boogie Preprocessor took 137.35ms. Allocated memory is still 226.5MB. Free memory was 131.8MB in the beginning and 196.9MB in the end (delta: -65.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,057 INFO L158 Benchmark]: RCFGBuilder took 665.92ms. Allocated memory is still 226.5MB. Free memory was 196.9MB in the beginning and 168.7MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,058 INFO L158 Benchmark]: BuchiAutomizer took 1941.72ms. Allocated memory is still 226.5MB. Free memory was 168.7MB in the beginning and 97.5MB in the end (delta: 71.1MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,058 INFO L158 Benchmark]: Witness Printer took 54.46ms. Allocated memory is still 226.5MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:20,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.84ms. Allocated memory is still 226.5MB. Free memory was 157.0MB in the beginning and 135.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.61ms. Allocated memory is still 226.5MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.35ms. Allocated memory is still 226.5MB. Free memory was 131.8MB in the beginning and 196.9MB in the end (delta: -65.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 665.92ms. Allocated memory is still 226.5MB. Free memory was 196.9MB in the beginning and 168.7MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1941.72ms. Allocated memory is still 226.5MB. Free memory was 168.7MB in the beginning and 97.5MB in the end (delta: 71.1MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Witness Printer took 54.46ms. Allocated memory is still 226.5MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] * 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 421 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, 360 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 763 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 312 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 451 mSDtfsCounter, 41 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: 66]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L355] int cleanupTimeShifts = 4; [L457] int methAndRunningLastTime ; [L532] int waterLevel = 1; [L533] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] int retValue_acc ; [L434] int tmp ; [L438] FCALL select_helpers() [L439] FCALL select_features() [L440] CALL, EXPR valid_product() [L522] int retValue_acc ; [L525] retValue_acc = 1 [L526] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L440] RET, EXPR valid_product() [L440] tmp = valid_product() [L442] COND TRUE \read(tmp) [L444] FCALL setup() [L445] CALL runTest() [L423] CALL __utac_acc__Specification2_spec__1() [L462] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] RET __utac_acc__Specification2_spec__1() [L424] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) [L113] CALL timeShift() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L197] int tmp ; [L200] COND FALSE !(\read(pumpRunning)) [L215] CALL processEnvironment__wrappee__highWaterSensor() [L171] int tmp ; [L174] COND TRUE ! pumpRunning [L176] CALL, EXPR isHighWaterLevel() [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isHighWaterSensorDry() [L612] int retValue_acc ; [L615] COND TRUE waterLevel < 2 [L616] retValue_acc = 1 [L617] return (retValue_acc); [L300] RET, EXPR isHighWaterSensorDry() [L300] tmp = isHighWaterSensorDry() [L302] COND TRUE \read(tmp) [L303] tmp___0 = 0 [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); [L176] RET, EXPR isHighWaterLevel() [L176] tmp = isHighWaterLevel() [L178] COND FALSE !(\read(tmp)) [L184] FCALL processEnvironment__wrappee__base() [L215] RET processEnvironment__wrappee__highWaterSensor() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification2_spec__2() [L467] int tmp ; [L468] int tmp___0 ; [L472] CALL, EXPR isMethaneLevelCritical() [L571] int retValue_acc ; [L574] retValue_acc = methaneLevelCritical [L575] return (retValue_acc); [L472] RET, EXPR isMethaneLevelCritical() [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE !(\read(tmp)) [L490] methAndRunningLastTime = 0 [L157] RET __utac_acc__Specification2_spec__2() [L113] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 66]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L355] int cleanupTimeShifts = 4; [L457] int methAndRunningLastTime ; [L532] int waterLevel = 1; [L533] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] int retValue_acc ; [L434] int tmp ; [L438] FCALL select_helpers() [L439] FCALL select_features() [L440] CALL, EXPR valid_product() [L522] int retValue_acc ; [L525] retValue_acc = 1 [L526] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L440] RET, EXPR valid_product() [L440] tmp = valid_product() [L442] COND TRUE \read(tmp) [L444] FCALL setup() [L445] CALL runTest() [L423] CALL __utac_acc__Specification2_spec__1() [L462] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] RET __utac_acc__Specification2_spec__1() [L424] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) [L113] CALL timeShift() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L197] int tmp ; [L200] COND FALSE !(\read(pumpRunning)) [L215] CALL processEnvironment__wrappee__highWaterSensor() [L171] int tmp ; [L174] COND TRUE ! pumpRunning [L176] CALL, EXPR isHighWaterLevel() [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isHighWaterSensorDry() [L612] int retValue_acc ; [L615] COND TRUE waterLevel < 2 [L616] retValue_acc = 1 [L617] return (retValue_acc); [L300] RET, EXPR isHighWaterSensorDry() [L300] tmp = isHighWaterSensorDry() [L302] COND TRUE \read(tmp) [L303] tmp___0 = 0 [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); [L176] RET, EXPR isHighWaterLevel() [L176] tmp = isHighWaterLevel() [L178] COND FALSE !(\read(tmp)) [L184] FCALL processEnvironment__wrappee__base() [L215] RET processEnvironment__wrappee__highWaterSensor() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification2_spec__2() [L467] int tmp ; [L468] int tmp___0 ; [L472] CALL, EXPR isMethaneLevelCritical() [L571] int retValue_acc ; [L574] retValue_acc = methaneLevelCritical [L575] return (retValue_acc); [L472] RET, EXPR isMethaneLevelCritical() [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE !(\read(tmp)) [L490] methAndRunningLastTime = 0 [L157] RET __utac_acc__Specification2_spec__2() [L113] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:39:20,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:39:20,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:39:20,489 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)