./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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_product64.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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:01:46,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:01:46,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:01:46,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:01:46,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:01:46,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:01:46,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:01:46,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:01:46,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:01:46,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:01:46,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:01:46,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:01:46,371 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:01:46,371 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:01:46,372 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:01:46,372 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:01:46,372 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:01:46,373 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:01:46,373 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:01:46,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:01:46,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:01:46,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:01:46,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:01:46,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:01:46,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:01:46,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:01:46,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:01:46,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:01:46,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:01:46,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:01:46,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:01:46,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:01:46,380 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:01:46,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:01:46,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:01:46,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:01:46,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:01:46,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:01:46,383 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:01:46,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2024-11-09 16:01:46,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:01:46,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:01:46,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:01:46,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:01:46,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:01:46,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2024-11-09 16:01:48,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:01:48,396 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:01:48,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2024-11-09 16:01:48,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2908dedb3/ffab48efe47141b28a979213cd09921d/FLAGa90aff0c2 [2024-11-09 16:01:48,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2908dedb3/ffab48efe47141b28a979213cd09921d [2024-11-09 16:01:48,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:01:48,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:01:48,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:48,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:01:48,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:01:48,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7831cdb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48, skipping insertion in model container [2024-11-09 16:01:48,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:01:48,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:48,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:01:48,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-09 16:01:48,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-11-09 16:01:48,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] [2024-11-09 16:01:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] [2024-11-09 16:01:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] [2024-11-09 16:01:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] [2024-11-09 16:01:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] [2024-11-09 16:01:48,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] [2024-11-09 16:01:48,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:01:48,879 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:01:48,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48 WrapperNode [2024-11-09 16:01:48,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:01:48,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:48,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:01:48,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:01:48,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,969 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1213 [2024-11-09 16:01:48,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:01:48,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:01:48,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:01:48,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:01:48,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:48,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,030 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]. [2024-11-09 16:01:49,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:01:49,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:01:49,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:01:49,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:01:49,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (1/1) ... [2024-11-09 16:01:49,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:01:49,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:01:49,135 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) [2024-11-09 16:01:49,142 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 [2024-11-09 16:01:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:01:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:01:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:01:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:01:49,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:01:49,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:01:49,988 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2024-11-09 16:01:49,989 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:01:50,008 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:01:50,008 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:01:50,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:50 BoogieIcfgContainer [2024-11-09 16:01:50,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:01:50,010 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:01:50,010 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:01:50,013 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:01:50,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:50,014 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:01:48" (1/3) ... [2024-11-09 16:01:50,015 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69a56ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:50, skipping insertion in model container [2024-11-09 16:01:50,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:50,015 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:01:48" (2/3) ... [2024-11-09 16:01:50,016 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69a56ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:01:50, skipping insertion in model container [2024-11-09 16:01:50,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:01:50,016 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:50" (3/3) ... [2024-11-09 16:01:50,017 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2024-11-09 16:01:50,082 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:01:50,083 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:01:50,084 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:01:50,084 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:01:50,084 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:01:50,084 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:01:50,084 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:01:50,085 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:01:50,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 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) [2024-11-09 16:01:50,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2024-11-09 16:01:50,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:50,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:50,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,150 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:01:50,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 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) [2024-11-09 16:01:50,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2024-11-09 16:01:50,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:50,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:50,172 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,172 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,178 INFO L745 eck$LassoCheckResult]: Stem: 197#$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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 213#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 298#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 106#valid_product_returnLabel#1true main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 220#L578true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 80#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 147#L977-2true [2024-11-09 16:01:50,178 INFO L747 eck$LassoCheckResult]: Loop: 147#L977-2true assume !false; 12#L978true assume test_~splverifierCounter~0#1 < 4; 143#L979true havoc test_#t~nondet51#1;test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 112#L987true assume !(0 != test_~tmp~11#1); 267#L987-2true havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 268#L997true assume !(0 != test_~tmp___0~3#1); 161#L997-2true havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 92#L1007true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 63#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 191#L1015-2true assume { :begin_inline_timeShift } true; 40#L607true assume !(0 != ~pumpRunning~0); 69#L607-2true assume !(0 != ~systemActive~0); 99#L614-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 319#isMethaneLevelCritical_returnLabel#6true __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 154#L107true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 151#L107-1true havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 239#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 147#L977-2true [2024-11-09 16:01:50,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-09 16:01:50,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:50,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255529155] [2024-11-09 16:01:50,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:50,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:50,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:50,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:50,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:50,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1296490173, now seen corresponding path program 1 times [2024-11-09 16:01:50,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:50,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695417829] [2024-11-09 16:01:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:01:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:01:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:01:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695417829] [2024-11-09 16:01:50,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695417829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:01:50,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:01:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 16:01:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827284873] [2024-11-09 16:01:50,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:01:50,463 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 16:01:50,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:01:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 16:01:50,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 16:01:50,504 INFO L87 Difference]: Start difference. First operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 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) [2024-11-09 16:01:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:01:50,609 INFO L93 Difference]: Finished difference Result 631 states and 837 transitions. [2024-11-09 16:01:50,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 631 states and 837 transitions. [2024-11-09 16:01:50,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 416 [2024-11-09 16:01:50,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 631 states to 611 states and 816 transitions. [2024-11-09 16:01:50,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 611 [2024-11-09 16:01:50,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 611 [2024-11-09 16:01:50,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 611 states and 816 transitions. [2024-11-09 16:01:50,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:01:50,639 INFO L218 hiAutomatonCegarLoop]: Abstraction has 611 states and 816 transitions. [2024-11-09 16:01:50,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states and 816 transitions. [2024-11-09 16:01:50,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 608. [2024-11-09 16:01:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 608 states have (on average 1.3355263157894737) internal successors, (812), 607 states have internal predecessors, (812), 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) [2024-11-09 16:01:50,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 812 transitions. [2024-11-09 16:01:50,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 608 states and 812 transitions. [2024-11-09 16:01:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 16:01:50,717 INFO L425 stractBuchiCegarLoop]: Abstraction has 608 states and 812 transitions. [2024-11-09 16:01:50,717 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:01:50,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 608 states and 812 transitions. [2024-11-09 16:01:50,724 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 413 [2024-11-09 16:01:50,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:50,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:50,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:50,729 INFO L745 eck$LassoCheckResult]: Stem: 1259#$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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1020#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1021#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1157#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 1158#L578 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1113#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1114#L977-2 [2024-11-09 16:01:50,729 INFO L747 eck$LassoCheckResult]: Loop: 1114#L977-2 assume !false; 1393#L978 assume test_~splverifierCounter~0#1 < 4; 1201#L979 havoc test_#t~nondet51#1;test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1164#L987 assume !(0 != test_~tmp~11#1); 1166#L987-2 havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1303#L997 assume !(0 != test_~tmp___0~3#1); 1227#L997-2 havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 1136#L1007 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~0#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 1137#L1015 assume !(0 != test_~tmp___1~0#1); 1090#L1015-2 assume { :begin_inline_timeShift } true; 1042#L607 assume !(0 != ~pumpRunning~0); 1043#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1053#L691 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret35#1, isMethaneAlarm_~retValue_acc~6#1;havoc isMethaneAlarm_~retValue_acc~6#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 1055#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret35#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~6#1 := isMethaneAlarm_#t~ret35#1;havoc isMethaneAlarm_#t~ret35#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; 1324#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret33#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret35#1, isMethaneAlarm_~retValue_acc~6#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret33#1;havoc processEnvironment_#t~ret33#1; 1218#L695 assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1108#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1033#L691-1 havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1404#L614-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 1401#isMethaneLevelCritical_returnLabel#6 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 1399#L107 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 1397#L107-1 havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1396#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1114#L977-2 [2024-11-09 16:01:50,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-09 16:01:50,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:50,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484417364] [2024-11-09 16:01:50,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:50,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:50,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:50,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:50,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1618551802, now seen corresponding path program 1 times [2024-11-09 16:01:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:50,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338916792] [2024-11-09 16:01:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:50,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:01:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:01:50,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:01:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338916792] [2024-11-09 16:01:50,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338916792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:01:50,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:01:50,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 16:01:50,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116359949] [2024-11-09 16:01:50,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:01:50,819 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 16:01:50,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:01:50,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 16:01:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 16:01:50,821 INFO L87 Difference]: Start difference. First operand 608 states and 812 transitions. cyclomatic complexity: 207 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 16:01:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:01:50,944 INFO L93 Difference]: Finished difference Result 624 states and 791 transitions. [2024-11-09 16:01:50,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 624 states and 791 transitions. [2024-11-09 16:01:50,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 435 [2024-11-09 16:01:50,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 624 states to 624 states and 791 transitions. [2024-11-09 16:01:50,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 624 [2024-11-09 16:01:50,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 624 [2024-11-09 16:01:50,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 624 states and 791 transitions. [2024-11-09 16:01:50,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:01:50,984 INFO L218 hiAutomatonCegarLoop]: Abstraction has 624 states and 791 transitions. [2024-11-09 16:01:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states and 791 transitions. [2024-11-09 16:01:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2024-11-09 16:01:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 624 states have (on average 1.267628205128205) internal successors, (791), 623 states have internal predecessors, (791), 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) [2024-11-09 16:01:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 791 transitions. [2024-11-09 16:01:51,013 INFO L240 hiAutomatonCegarLoop]: Abstraction has 624 states and 791 transitions. [2024-11-09 16:01:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 16:01:51,015 INFO L425 stractBuchiCegarLoop]: Abstraction has 624 states and 791 transitions. [2024-11-09 16:01:51,015 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 16:01:51,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 624 states and 791 transitions. [2024-11-09 16:01:51,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 435 [2024-11-09 16:01:51,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:01:51,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:01:51,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:01:51,022 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, 1, 1] [2024-11-09 16:01:51,022 INFO L745 eck$LassoCheckResult]: Stem: 2437#$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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2438#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2243#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2244#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 2351#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 2352#L578 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 2315#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~11#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~11#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2316#L977-2 [2024-11-09 16:01:51,022 INFO L747 eck$LassoCheckResult]: Loop: 2316#L977-2 assume !false; 2220#L978 assume test_~splverifierCounter~0#1 < 4; 2221#L979 havoc test_#t~nondet51#1;test_~tmp~11#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2357#L987 assume !(0 != test_~tmp~11#1); 2359#L987-2 havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 2486#L997 assume !(0 != test_~tmp___0~3#1); 2408#L997-2 havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 2409#L1007 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2294#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2295#L1015-2 assume { :begin_inline_timeShift } true; 2256#L607 assume !(0 != ~pumpRunning~0); 2257#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2265#L691 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret32#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 2266#L665-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 2619#L639-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2618#L947-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2617#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; 2616#L810-9 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2615#L810-11 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 2614#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 2613#L643-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2373#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 2374#L639-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2641#L665-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret32#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2309#L691-1 havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 2563#L614-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 2557#isMethaneLevelCritical_returnLabel#6 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 2558#L107 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 2551#L107-1 havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 2552#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2316#L977-2 [2024-11-09 16:01:51,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-09 16:01:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122787127] [2024-11-09 16:01:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash 236225128, now seen corresponding path program 1 times [2024-11-09 16:01:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630988795] [2024-11-09 16:01:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:51,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:01:51,105 INFO L85 PathProgramCache]: Analyzing trace with hash 633415980, now seen corresponding path program 1 times [2024-11-09 16:01:51,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:01:51,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305076238] [2024-11-09 16:01:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:01:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:01:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:51,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:01:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:52,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:01:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:01:52,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:01:52 BoogieIcfgContainer [2024-11-09 16:01:52,177 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:01:52,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:01:52,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:01:52,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:01:52,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:01:50" (3/4) ... [2024-11-09 16:01:52,180 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:01:52,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:01:52,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:01:52,240 INFO L158 Benchmark]: Toolchain (without parser) took 3809.42ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 114.9MB in the beginning and 158.2MB in the end (delta: -43.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,240 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:01:52,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.15ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 93.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.30ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 88.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,241 INFO L158 Benchmark]: Boogie Preprocessor took 100.65ms. Allocated memory is still 167.8MB. Free memory was 88.2MB in the beginning and 82.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,241 INFO L158 Benchmark]: RCFGBuilder took 937.32ms. Allocated memory is still 167.8MB. Free memory was 82.5MB in the beginning and 100.5MB in the end (delta: -18.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,245 INFO L158 Benchmark]: BuchiAutomizer took 2167.73ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 100.5MB in the beginning and 161.4MB in the end (delta: -60.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,245 INFO L158 Benchmark]: Witness Printer took 61.20ms. Allocated memory is still 230.7MB. Free memory was 161.4MB in the beginning and 158.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:01:52,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.15ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 93.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.30ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 88.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.65ms. Allocated memory is still 167.8MB. Free memory was 88.2MB in the beginning and 82.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 937.32ms. Allocated memory is still 167.8MB. Free memory was 82.5MB in the beginning and 100.5MB in the end (delta: -18.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2167.73ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 100.5MB in the beginning and 161.4MB in the end (delta: -60.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 61.20ms. Allocated memory is still 230.7MB. Free memory was 161.4MB in the beginning and 158.2MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] - GenericResultAtLocation [Line: 591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] - GenericResultAtLocation [Line: 862]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] - GenericResultAtLocation [Line: 966]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] * 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 624 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 645 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 1267 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 537 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 730 mSDtfsCounter, 53 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: 977]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L294] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int cleanupTimeShifts = 4; [L600] int pumpRunning = 0; [L601] int systemActive = 1; [L864] int waterLevel = 1; [L865] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; [L570] int tmp ; [L574] FCALL select_helpers() [L575] FCALL select_features() [L576] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] RET, EXPR valid_product() [L576] tmp = valid_product() [L578] COND TRUE \read(tmp) [L580] FCALL setup() [L581] CALL runTest() [L563] CALL test() [L968] int splverifierCounter ; [L969] int tmp ; [L970] int tmp___0 ; [L971] int tmp___1 ; [L972] int tmp___2 ; [L975] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L977] COND TRUE 1 [L979] COND TRUE splverifierCounter < 4 [L985] tmp = __VERIFIER_nondet_int() [L987] COND FALSE !(\read(tmp)) [L995] tmp___0 = __VERIFIER_nondet_int() [L997] COND FALSE !(\read(tmp___0)) [L1005] tmp___2 = __VERIFIER_nondet_int() [L1007] COND TRUE \read(tmp___2) [L1009] CALL startSystem() [L858] systemActive = 1 [L1009] RET startSystem() [L1024] CALL timeShift() [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L616] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(\read(pumpRunning)) [L706] CALL processEnvironment__wrappee__methaneQuery() [L662] int tmp ; [L665] COND FALSE !(\read(pumpRunning)) [L680] CALL processEnvironment__wrappee__highWaterSensor() [L636] int tmp ; [L639] COND TRUE ! pumpRunning [L641] CALL, EXPR isHighWaterLevel() [L802] int retValue_acc ; [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isHighWaterSensorDry() [L944] int retValue_acc ; [L947] COND TRUE waterLevel < 2 [L948] retValue_acc = 1 [L949] return (retValue_acc); [L808] RET, EXPR isHighWaterSensorDry() [L808] tmp = isHighWaterSensorDry() [L810] COND TRUE \read(tmp) [L811] tmp___0 = 0 [L815] retValue_acc = tmp___0 [L816] return (retValue_acc); [L641] RET, EXPR isHighWaterLevel() [L641] tmp = isHighWaterLevel() [L643] COND FALSE !(\read(tmp)) [L649] FCALL processEnvironment__wrappee__base() [L680] RET processEnvironment__wrappee__highWaterSensor() [L706] RET processEnvironment__wrappee__methaneQuery() [L616] RET processEnvironment() [L622] CALL __utac_acc__Specification1_spec__1() [L100] int tmp ; [L101] int tmp___0 ; [L105] CALL, EXPR isMethaneLevelCritical() [L903] int retValue_acc ; [L906] retValue_acc = methaneLevelCritical [L907] return (retValue_acc); [L105] RET, EXPR isMethaneLevelCritical() [L105] tmp = isMethaneLevelCritical() [L107] COND FALSE !(\read(tmp)) [L622] RET __utac_acc__Specification1_spec__1() [L1024] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 977]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L294] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int cleanupTimeShifts = 4; [L600] int pumpRunning = 0; [L601] int systemActive = 1; [L864] int waterLevel = 1; [L865] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; [L570] int tmp ; [L574] FCALL select_helpers() [L575] FCALL select_features() [L576] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] RET, EXPR valid_product() [L576] tmp = valid_product() [L578] COND TRUE \read(tmp) [L580] FCALL setup() [L581] CALL runTest() [L563] CALL test() [L968] int splverifierCounter ; [L969] int tmp ; [L970] int tmp___0 ; [L971] int tmp___1 ; [L972] int tmp___2 ; [L975] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L977] COND TRUE 1 [L979] COND TRUE splverifierCounter < 4 [L985] tmp = __VERIFIER_nondet_int() [L987] COND FALSE !(\read(tmp)) [L995] tmp___0 = __VERIFIER_nondet_int() [L997] COND FALSE !(\read(tmp___0)) [L1005] tmp___2 = __VERIFIER_nondet_int() [L1007] COND TRUE \read(tmp___2) [L1009] CALL startSystem() [L858] systemActive = 1 [L1009] RET startSystem() [L1024] CALL timeShift() [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L616] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(\read(pumpRunning)) [L706] CALL processEnvironment__wrappee__methaneQuery() [L662] int tmp ; [L665] COND FALSE !(\read(pumpRunning)) [L680] CALL processEnvironment__wrappee__highWaterSensor() [L636] int tmp ; [L639] COND TRUE ! pumpRunning [L641] CALL, EXPR isHighWaterLevel() [L802] int retValue_acc ; [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isHighWaterSensorDry() [L944] int retValue_acc ; [L947] COND TRUE waterLevel < 2 [L948] retValue_acc = 1 [L949] return (retValue_acc); [L808] RET, EXPR isHighWaterSensorDry() [L808] tmp = isHighWaterSensorDry() [L810] COND TRUE \read(tmp) [L811] tmp___0 = 0 [L815] retValue_acc = tmp___0 [L816] return (retValue_acc); [L641] RET, EXPR isHighWaterLevel() [L641] tmp = isHighWaterLevel() [L643] COND FALSE !(\read(tmp)) [L649] FCALL processEnvironment__wrappee__base() [L680] RET processEnvironment__wrappee__highWaterSensor() [L706] RET processEnvironment__wrappee__methaneQuery() [L616] RET processEnvironment() [L622] CALL __utac_acc__Specification1_spec__1() [L100] int tmp ; [L101] int tmp___0 ; [L105] CALL, EXPR isMethaneLevelCritical() [L903] int retValue_acc ; [L906] retValue_acc = methaneLevelCritical [L907] return (retValue_acc); [L105] RET, EXPR isMethaneLevelCritical() [L105] tmp = isMethaneLevelCritical() [L107] COND FALSE !(\read(tmp)) [L622] RET __utac_acc__Specification1_spec__1() [L1024] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:01:52,274 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)