./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd --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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:57:49,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:57:49,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:57:49,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:57:49,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:57:49,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:57:49,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:57:49,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:57:49,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:57:49,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:57:49,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:57:49,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:57:49,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:57:49,968 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:57:49,968 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:57:49,968 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:57:49,969 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:57:49,969 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:57:49,969 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:57:49,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:57:49,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:57:49,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:57:49,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:57:49,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:57:49,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:57:49,972 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:57:49,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:57:49,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:57:49,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:57:49,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:57:49,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:57:49,972 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:57:49,973 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd 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 -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2024-11-13 14:57:50,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:57:50,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:57:50,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:57:50,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:57:50,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:57:50,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c Unable to find full path for "g++" [2024-11-13 14:57:52,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:57:52,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:57:52,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2024-11-13 14:57:52,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/data/ac082ac55/2c41218bd8fe423c8fb03a6b40128fa6/FLAGd5f20d16a [2024-11-13 14:57:52,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/data/ac082ac55/2c41218bd8fe423c8fb03a6b40128fa6 [2024-11-13 14:57:52,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:57:52,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:57:52,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:52,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:57:52,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:57:52,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:52" (1/1) ... [2024-11-13 14:57:52,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380b6b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:52, skipping insertion in model container [2024-11-13 14:57:52,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:52" (1/1) ... [2024-11-13 14:57:52,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:57:53,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:53,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:57:53,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-13 14:57:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-13 14:57:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [190] [2024-11-13 14:57:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [232] [2024-11-13 14:57:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] [2024-11-13 14:57:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2024-11-13 14:57:53,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [615] [2024-11-13 14:57:53,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [981] [2024-11-13 14:57:53,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:53,302 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:57:53,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53 WrapperNode [2024-11-13 14:57:53,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:53,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:53,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:57:53,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:57:53,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,366 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 566 [2024-11-13 14:57:53,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:53,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:57:53,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:57:53,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:57:53,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,416 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]. [2024-11-13 14:57:53,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:57:53,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:57:53,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:57:53,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:57:53,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (1/1) ... [2024-11-13 14:57:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:57:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:57:53,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:57:53,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:57:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:57:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:57:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:57:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:57:53,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:57:53,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:57:54,361 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-13 14:57:54,361 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:57:54,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:57:54,383 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:57:54,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:54 BoogieIcfgContainer [2024-11-13 14:57:54,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:57:54,385 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:57:54,385 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:57:54,392 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:57:54,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:57:54,393 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:57:52" (1/3) ... [2024-11-13 14:57:54,394 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bbecb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:57:54, skipping insertion in model container [2024-11-13 14:57:54,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:57:54,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:53" (2/3) ... [2024-11-13 14:57:54,394 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bbecb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:57:54, skipping insertion in model container [2024-11-13 14:57:54,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:57:54,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:54" (3/3) ... [2024-11-13 14:57:54,396 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2024-11-13 14:57:54,453 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:57:54,453 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:57:54,453 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:57:54,453 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:57:54,453 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:57:54,453 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:57:54,453 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:57:54,454 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:57:54,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 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) [2024-11-13 14:57:54,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-13 14:57:54,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:54,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:54,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:54,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:54,523 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:57:54,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 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) [2024-11-13 14:57:54,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-13 14:57:54,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:54,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:54,533 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:54,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:54,538 INFO L745 eck$LassoCheckResult]: Stem: 36#$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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 140#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; 115#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 65#L177true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 88#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 138#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 124#L559-2true [2024-11-13 14:57:54,539 INFO L747 eck$LassoCheckResult]: Loop: 124#L559-2true assume !false; 27#L560true assume test_~splverifierCounter~0#1 < 4; 89#L561true havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 42#L569true assume !(0 != test_~tmp~6#1); 101#L569-2true havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 14#L579true assume !(0 != test_~tmp___0~3#1); 52#L579-2true havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 17#L589true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 66#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 71#L597-2true assume { :begin_inline_timeShift } true; 87#L351true assume !(0 != ~pumpRunning~0); 169#L351-2true assume !(0 != ~systemActive~0); 62#L358-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 159#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 132#L211true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 145#L211-1true havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 124#L559-2true [2024-11-13 14:57:54,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-13 14:57:54,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:54,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259619266] [2024-11-13 14:57:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:54,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:54,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:54,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:54,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:54,701 INFO L85 PathProgramCache]: Analyzing trace with hash -596628630, now seen corresponding path program 1 times [2024-11-13 14:57:54,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:54,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280602115] [2024-11-13 14:57:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:57:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280602115] [2024-11-13 14:57:54,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280602115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:54,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:54,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:57:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025655944] [2024-11-13 14:57:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:54,797 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:57:54,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:54,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:57:54,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:57:54,826 INFO L87 Difference]: Start difference. First operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 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) [2024-11-13 14:57:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:57:54,885 INFO L93 Difference]: Finished difference Result 164 states and 217 transitions. [2024-11-13 14:57:54,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 217 transitions. [2024-11-13 14:57:54,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-13 14:57:54,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 154 states and 206 transitions. [2024-11-13 14:57:54,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2024-11-13 14:57:54,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2024-11-13 14:57:54,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 206 transitions. [2024-11-13 14:57:54,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:57:54,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-13 14:57:54,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 206 transitions. [2024-11-13 14:57:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-13 14:57:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3376623376623376) internal successors, (206), 153 states have internal predecessors, (206), 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) [2024-11-13 14:57:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 206 transitions. [2024-11-13 14:57:54,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-13 14:57:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:57:54,966 INFO L424 stractBuchiCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-13 14:57:54,966 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:57:54,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 206 transitions. [2024-11-13 14:57:54,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-13 14:57:54,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:54,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:54,969 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:54,973 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] [2024-11-13 14:57:54,974 INFO L745 eck$LassoCheckResult]: Stem: 401#$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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 402#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 395#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 396#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; 478#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 434#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 435#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 457#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 445#L559-2 [2024-11-13 14:57:54,974 INFO L747 eck$LassoCheckResult]: Loop: 445#L559-2 assume !false; 387#L560 assume test_~splverifierCounter~0#1 < 4; 388#L561 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 408#L569 assume !(0 != test_~tmp~6#1); 363#L569-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 364#L579 assume !(0 != test_~tmp___0~3#1); 366#L579-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 367#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 368#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 436#L597-2 assume { :begin_inline_timeShift } true; 440#L351 assume !(0 != ~pumpRunning~0); 407#L351-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 495#L409 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 392#L383-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 345#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 346#L383-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 358#L409-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 425#L358-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 429#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 484#L211 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 486#L211-1 havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 444#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 445#L559-2 [2024-11-13 14:57:54,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-13 14:57:54,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:54,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130617683] [2024-11-13 14:57:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:55,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:55,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1050796720, now seen corresponding path program 1 times [2024-11-13 14:57:55,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172384553] [2024-11-13 14:57:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:57:55,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:55,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172384553] [2024-11-13 14:57:55,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172384553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:55,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:55,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:57:55,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79296590] [2024-11-13 14:57:55,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:55,111 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:57:55,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:55,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:57:55,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:57:55,115 INFO L87 Difference]: Start difference. First operand 154 states and 206 transitions. cyclomatic complexity: 54 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) [2024-11-13 14:57:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:57:55,282 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2024-11-13 14:57:55,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 275 transitions. [2024-11-13 14:57:55,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2024-11-13 14:57:55,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 213 states and 275 transitions. [2024-11-13 14:57:55,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2024-11-13 14:57:55,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2024-11-13 14:57:55,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 275 transitions. [2024-11-13 14:57:55,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:57:55,294 INFO L218 hiAutomatonCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-13 14:57:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 275 transitions. [2024-11-13 14:57:55,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-13 14:57:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 213 states have (on average 1.2910798122065728) internal successors, (275), 212 states have internal predecessors, (275), 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) [2024-11-13 14:57:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 275 transitions. [2024-11-13 14:57:55,311 INFO L240 hiAutomatonCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-13 14:57:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:57:55,312 INFO L424 stractBuchiCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-13 14:57:55,316 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:57:55,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 275 transitions. [2024-11-13 14:57:55,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2024-11-13 14:57:55,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:55,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:55,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:55,323 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] [2024-11-13 14:57:55,323 INFO L745 eck$LassoCheckResult]: Stem: 772#$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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 773#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 766#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 767#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; 854#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 810#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 811#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 835#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 821#L559-2 [2024-11-13 14:57:55,323 INFO L747 eck$LassoCheckResult]: Loop: 821#L559-2 assume !false; 758#L560 assume test_~splverifierCounter~0#1 < 4; 759#L561 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 781#L569 assume !(0 != test_~tmp~6#1); 731#L569-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 732#L579 assume !(0 != test_~tmp___0~3#1); 734#L579-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 738#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 739#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 807#L597-2 assume { :begin_inline_timeShift } true; 816#L351 assume !(0 != ~pumpRunning~0); 834#L351-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 877#L409 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 763#L383-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 764#L321-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 790#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 765#L511-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 746#L511-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 747#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 873#L387-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 783#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 777#L383-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 737#L409-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 799#L358-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 803#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 864#L211 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 866#L211-1 havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 820#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 821#L559-2 [2024-11-13 14:57:55,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:55,324 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-13 14:57:55,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:55,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070261776] [2024-11-13 14:57:55,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:55,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:55,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash 275835494, now seen corresponding path program 1 times [2024-11-13 14:57:55,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:55,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897874041] [2024-11-13 14:57:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:57:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897874041] [2024-11-13 14:57:55,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897874041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:55,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:55,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:57:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130531788] [2024-11-13 14:57:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:55,537 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:57:55,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:55,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:57:55,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:57:55,537 INFO L87 Difference]: Start difference. First operand 213 states and 275 transitions. cyclomatic complexity: 64 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:57:55,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:57:55,726 INFO L93 Difference]: Finished difference Result 225 states and 287 transitions. [2024-11-13 14:57:55,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 287 transitions. [2024-11-13 14:57:55,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2024-11-13 14:57:55,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 287 transitions. [2024-11-13 14:57:55,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2024-11-13 14:57:55,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2024-11-13 14:57:55,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 287 transitions. [2024-11-13 14:57:55,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:57:55,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 225 states and 287 transitions. [2024-11-13 14:57:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 287 transitions. [2024-11-13 14:57:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-13 14:57:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.2755555555555556) internal successors, (287), 224 states have internal predecessors, (287), 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) [2024-11-13 14:57:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 287 transitions. [2024-11-13 14:57:55,754 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 287 transitions. [2024-11-13 14:57:55,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:57:55,755 INFO L424 stractBuchiCegarLoop]: Abstraction has 225 states and 287 transitions. [2024-11-13 14:57:55,755 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 14:57:55,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 287 transitions. [2024-11-13 14:57:55,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2024-11-13 14:57:55,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:55,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:55,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:55,758 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] [2024-11-13 14:57:55,758 INFO L745 eck$LassoCheckResult]: Stem: 1219#$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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1212#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1213#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; 1305#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1255#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1256#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1282#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1310#L559-2 [2024-11-13 14:57:55,759 INFO L747 eck$LassoCheckResult]: Loop: 1310#L559-2 assume !false; 1204#L560 assume test_~splverifierCounter~0#1 < 4; 1205#L561 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1227#L569 assume !(0 != test_~tmp~6#1); 1178#L569-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1179#L579 assume !(0 != test_~tmp___0~3#1); 1181#L579-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1183#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1184#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1254#L597-2 assume { :begin_inline_timeShift } true; 1260#L351 assume !(0 != ~pumpRunning~0); 1281#L351-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1327#L409 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1210#L383-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1211#L321-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1237#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1214#L511-3 assume !(0 != isHighWaterLevel_~tmp~4#1);isHighWaterLevel_~tmp___0~1#1 := 1; 1193#L511-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1194#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1324#L387-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1229#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1230#L383-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1320#L409-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1382#L358-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1381#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 1379#L211 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1376#L211-1 havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1375#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1310#L559-2 [2024-11-13 14:57:55,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-13 14:57:55,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010165638] [2024-11-13 14:57:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:55,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:55,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:55,797 INFO L85 PathProgramCache]: Analyzing trace with hash 534000932, now seen corresponding path program 1 times [2024-11-13 14:57:55,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:55,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605677979] [2024-11-13 14:57:55,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:55,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:57:55,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:55,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605677979] [2024-11-13 14:57:55,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605677979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:55,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:55,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:57:55,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062843173] [2024-11-13 14:57:55,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:55,963 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:57:55,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:57:55,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:57:55,964 INFO L87 Difference]: Start difference. First operand 225 states and 287 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:57:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:57:56,163 INFO L93 Difference]: Finished difference Result 243 states and 305 transitions. [2024-11-13 14:57:56,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 243 states and 305 transitions. [2024-11-13 14:57:56,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-13 14:57:56,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 243 states to 243 states and 305 transitions. [2024-11-13 14:57:56,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2024-11-13 14:57:56,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2024-11-13 14:57:56,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 305 transitions. [2024-11-13 14:57:56,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:57:56,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 243 states and 305 transitions. [2024-11-13 14:57:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 305 transitions. [2024-11-13 14:57:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2024-11-13 14:57:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.2551440329218106) internal successors, (305), 242 states have internal predecessors, (305), 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) [2024-11-13 14:57:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 305 transitions. [2024-11-13 14:57:56,189 INFO L240 hiAutomatonCegarLoop]: Abstraction has 243 states and 305 transitions. [2024-11-13 14:57:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:57:56,190 INFO L424 stractBuchiCegarLoop]: Abstraction has 243 states and 305 transitions. [2024-11-13 14:57:56,190 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 14:57:56,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 305 transitions. [2024-11-13 14:57:56,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-13 14:57:56,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:57:56,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:57:56,194 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:56,194 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] [2024-11-13 14:57:56,194 INFO L745 eck$LassoCheckResult]: Stem: 1695#$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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1696#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1688#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1689#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; 1780#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1732#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1733#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1758#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1742#L559-2 [2024-11-13 14:57:56,194 INFO L747 eck$LassoCheckResult]: Loop: 1742#L559-2 assume !false; 1680#L560 assume test_~splverifierCounter~0#1 < 4; 1681#L561 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1703#L569 assume !(0 != test_~tmp~6#1); 1653#L569-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1654#L579 assume !(0 != test_~tmp___0~3#1); 1656#L579-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1659#L589 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1660#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1731#L597-2 assume { :begin_inline_timeShift } true; 1737#L351 assume !(0 != ~pumpRunning~0); 1757#L351-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1810#L409 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1686#L383-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1687#L321-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1778#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1824#L511-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1821#L511-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1819#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1817#L387-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1705#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1706#L383-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1721#L409-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1722#L358-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1727#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret6#1;havoc __utac_acc__Specification2_spec__2_#t~ret6#1; 1791#L211 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1793#L211-1 havoc __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_#t~ret7#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1741#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1742#L559-2 [2024-11-13 14:57:56,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2024-11-13 14:57:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:56,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921421744] [2024-11-13 14:57:56,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:56,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1286952744, now seen corresponding path program 1 times [2024-11-13 14:57:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:56,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414794342] [2024-11-13 14:57:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:56,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:56,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2008943983, now seen corresponding path program 1 times [2024-11-13 14:57:56,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:56,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705959113] [2024-11-13 14:57:56,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:56,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:56,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:57,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:57,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:57:57 BoogieIcfgContainer [2024-11-13 14:57:57,922 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:57:57,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:57:57,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:57:57,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:57:57,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:54" (3/4) ... [2024-11-13 14:57:57,926 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 14:57:57,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:57:57,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:57:57,988 INFO L158 Benchmark]: Toolchain (without parser) took 5246.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 166.9MB in the end (delta: -73.1MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. [2024-11-13 14:57:57,989 INFO L158 Benchmark]: CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 545.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:57,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.72ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 75.1MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:57:57,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.64ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 72.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:57,990 INFO L158 Benchmark]: Boogie Preprocessor took 80.83ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 69.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:57:57,990 INFO L158 Benchmark]: RCFGBuilder took 935.50ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 42.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:57:57,991 INFO L158 Benchmark]: BuchiAutomizer took 3537.39ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 42.9MB in the beginning and 169.6MB in the end (delta: -126.7MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2024-11-13 14:57:57,991 INFO L158 Benchmark]: Witness Printer took 63.87ms. Allocated memory is still 352.3MB. Free memory was 169.6MB in the beginning and 166.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:57,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 545.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.72ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 75.1MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.64ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 72.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.83ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 69.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 935.50ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 42.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3537.39ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 42.9MB in the beginning and 169.6MB in the end (delta: -126.7MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. * Witness Printer took 63.87ms. Allocated memory is still 352.3MB. Free memory was 169.6MB in the beginning and 166.9MB in the end (delta: 2.7MB). There was no memory consumed. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [190] - GenericResultAtLocation [Line: 232]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [232] - GenericResultAtLocation [Line: 340]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [340] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 615]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [615] - GenericResultAtLocation [Line: 981]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [981] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 243 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 350 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 350 mSDsluCounter, 1778 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 963 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 815 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 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: 559]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L194] int methAndRunningLastTime ; [L238] int waterLevel = 1; [L239] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L785] 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] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification2_spec__1() [L199] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification2_spec__1() [L162] CALL test() [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L559] COND TRUE 1 [L561] COND TRUE splverifierCounter < 4 [L567] tmp = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp)) [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp___0)) [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) [L591] CALL startSystem() [L544] systemActive = 1 [L591] RET startSystem() [L604] CALL timeShift() [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L360] CALL processEnvironment() [L406] int tmp ; [L409] COND FALSE !(\read(pumpRunning)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L380] int tmp ; [L383] COND TRUE ! pumpRunning [L385] CALL, EXPR isHighWaterLevel() [L503] int retValue_acc ; [L504] int tmp ; [L505] int tmp___0 ; [L509] CALL, EXPR isHighWaterSensorDry() [L318] int retValue_acc ; [L321] COND TRUE waterLevel < 2 [L322] retValue_acc = 1 [L323] return (retValue_acc); [L509] RET, EXPR isHighWaterSensorDry() [L509] tmp = isHighWaterSensorDry() [L511] COND TRUE \read(tmp) [L512] tmp___0 = 0 [L516] retValue_acc = tmp___0 [L517] return (retValue_acc); [L385] RET, EXPR isHighWaterLevel() [L385] tmp = isHighWaterLevel() [L387] COND FALSE !(\read(tmp)) [L393] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L360] RET processEnvironment() [L366] CALL __utac_acc__Specification2_spec__2() [L204] int tmp ; [L205] int tmp___0 ; [L209] CALL, EXPR isMethaneLevelCritical() [L277] int retValue_acc ; [L280] retValue_acc = methaneLevelCritical [L281] return (retValue_acc); [L209] RET, EXPR isMethaneLevelCritical() [L209] tmp = isMethaneLevelCritical() [L211] COND FALSE !(\read(tmp)) [L227] methAndRunningLastTime = 0 [L366] RET __utac_acc__Specification2_spec__2() [L604] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 559]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L194] int methAndRunningLastTime ; [L238] int waterLevel = 1; [L239] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L785] 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] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification2_spec__1() [L199] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification2_spec__1() [L162] CALL test() [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L559] COND TRUE 1 [L561] COND TRUE splverifierCounter < 4 [L567] tmp = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp)) [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp___0)) [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) [L591] CALL startSystem() [L544] systemActive = 1 [L591] RET startSystem() [L604] CALL timeShift() [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L360] CALL processEnvironment() [L406] int tmp ; [L409] COND FALSE !(\read(pumpRunning)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L380] int tmp ; [L383] COND TRUE ! pumpRunning [L385] CALL, EXPR isHighWaterLevel() [L503] int retValue_acc ; [L504] int tmp ; [L505] int tmp___0 ; [L509] CALL, EXPR isHighWaterSensorDry() [L318] int retValue_acc ; [L321] COND TRUE waterLevel < 2 [L322] retValue_acc = 1 [L323] return (retValue_acc); [L509] RET, EXPR isHighWaterSensorDry() [L509] tmp = isHighWaterSensorDry() [L511] COND TRUE \read(tmp) [L512] tmp___0 = 0 [L516] retValue_acc = tmp___0 [L517] return (retValue_acc); [L385] RET, EXPR isHighWaterLevel() [L385] tmp = isHighWaterLevel() [L387] COND FALSE !(\read(tmp)) [L393] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L360] RET processEnvironment() [L366] CALL __utac_acc__Specification2_spec__2() [L204] int tmp ; [L205] int tmp___0 ; [L209] CALL, EXPR isMethaneLevelCritical() [L277] int retValue_acc ; [L280] retValue_acc = methaneLevelCritical [L281] return (retValue_acc); [L209] RET, EXPR isMethaneLevelCritical() [L209] tmp = isMethaneLevelCritical() [L211] COND FALSE !(\read(tmp)) [L227] methAndRunningLastTime = 0 [L366] RET __utac_acc__Specification2_spec__2() [L604] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:57:58,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ff7016-bb88-40d3-80c2-014b906a264a/bin/uautomizer-verify-qhAvR1uOyd/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)