./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:55,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:55,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:23:55,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:55,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:55,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:55,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:55,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:55,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:55,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:55,401 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:55,402 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:23:55,402 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:23:55,403 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:23:55,404 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:23:55,404 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:23:55,405 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:23:55,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:55,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:23:55,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:55,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:55,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:55,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:55,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:23:55,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:23:55,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:23:55,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:23:55,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:55,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:55,413 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:23:55,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:55,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:55,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:55,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:55,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:55,417 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:23:55,417 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f [2023-11-06 22:23:55,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:55,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:55,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:55,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:55,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:55,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2023-11-06 22:23:58,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:59,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:59,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2023-11-06 22:23:59,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/data/d3f8d4f32/e5b2e2f5a43e44918344dbe5f64bcbdb/FLAG8483b3624 [2023-11-06 22:23:59,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/data/d3f8d4f32/e5b2e2f5a43e44918344dbe5f64bcbdb [2023-11-06 22:23:59,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:59,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:59,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:59,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:59,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:59,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68383219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59, skipping insertion in model container [2023-11-06 22:23:59,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:59,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:59,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:59,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:23:59,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-06 22:23:59,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2023-11-06 22:23:59,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] [2023-11-06 22:23:59,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] [2023-11-06 22:23:59,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] [2023-11-06 22:23:59,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2023-11-06 22:23:59,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2023-11-06 22:23:59,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:59,892 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:59,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59 WrapperNode [2023-11-06 22:23:59,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:59,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:59,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:59,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:59,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,955 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 55, statements flattened = 367 [2023-11-06 22:23:59,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:59,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:59,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:59,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:59,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:23:59,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:24:00,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:24:00,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:24:00,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:24:00,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:24:00,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (1/1) ... [2023-11-06 22:24:00,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:24:00,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:00,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:00,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:24:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:24:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:24:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:24:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:24:00,221 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:24:00,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:24:00,613 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:24:00,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:24:00,624 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:24:00,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:00 BoogieIcfgContainer [2023-11-06 22:24:00,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:24:00,628 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:24:00,628 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:24:00,631 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:24:00,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:24:00,632 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:23:59" (1/3) ... [2023-11-06 22:24:00,633 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63379bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:24:00, skipping insertion in model container [2023-11-06 22:24:00,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:24:00,633 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:59" (2/3) ... [2023-11-06 22:24:00,634 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63379bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:24:00, skipping insertion in model container [2023-11-06 22:24:00,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:24:00,634 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:00" (3/3) ... [2023-11-06 22:24:00,635 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2023-11-06 22:24:00,694 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:24:00,694 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:24:00,694 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:24:00,695 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:24:00,695 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:24:00,695 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:24:00,695 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:24:00,696 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:24:00,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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) [2023-11-06 22:24:00,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2023-11-06 22:24:00,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:00,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:00,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:00,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:00,743 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:24:00,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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) [2023-11-06 22:24:00,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2023-11-06 22:24:00,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:00,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:00,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:00,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:00,761 INFO L748 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#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; 84#valid_product_returnLabel#1true main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 116#L587true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 69#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L704-2true [2023-11-06 22:24:00,762 INFO L750 eck$LassoCheckResult]: Loop: 37#L704-2true assume !false; 98#L705true assume test_~splverifierCounter~0#1 < 4; 100#L706true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 8#L714true assume !(0 != test_~tmp~5#1); 82#L714-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 16#L724true assume !(0 != test_~tmp___0~1#1); 11#L724-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 92#L734true assume 0 != test_~tmp___2~0#1; 26#L740-2true assume { :begin_inline_timeShift } true; 42#L770true assume !(0 != ~pumpRunning~0); 107#L770-2true assume !(0 != ~systemActive~0); 19#L777-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 110#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 101#L109true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 57#L115-1true havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 61#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 37#L704-2true [2023-11-06 22:24:00,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-06 22:24:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258493532] [2023-11-06 22:24:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:00,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:00,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:00,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1634798218, now seen corresponding path program 1 times [2023-11-06 22:24:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:00,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448476461] [2023-11-06 22:24:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:00,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:00,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:00,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:00,964 INFO L85 PathProgramCache]: Analyzing trace with hash -279379142, now seen corresponding path program 1 times [2023-11-06 22:24:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:00,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070734081] [2023-11-06 22:24:00,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:00,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:01,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:01,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070734081] [2023-11-06 22:24:01,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070734081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:01,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:01,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:24:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5583022] [2023-11-06 22:24:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:01,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:01,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:01,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:01,534 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:01,712 INFO L93 Difference]: Finished difference Result 281 states and 362 transitions. [2023-11-06 22:24:01,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 362 transitions. [2023-11-06 22:24:01,727 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2023-11-06 22:24:01,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 251 states and 332 transitions. [2023-11-06 22:24:01,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2023-11-06 22:24:01,739 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2023-11-06 22:24:01,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 332 transitions. [2023-11-06 22:24:01,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:01,742 INFO L218 hiAutomatonCegarLoop]: Abstraction has 251 states and 332 transitions. [2023-11-06 22:24:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 332 transitions. [2023-11-06 22:24:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 157. [2023-11-06 22:24:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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) [2023-11-06 22:24:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2023-11-06 22:24:01,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2023-11-06 22:24:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:24:01,795 INFO L428 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2023-11-06 22:24:01,796 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:24:01,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2023-11-06 22:24:01,800 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2023-11-06 22:24:01,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:01,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:01,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:01,802 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] [2023-11-06 22:24:01,802 INFO L748 eck$LassoCheckResult]: Stem: 453#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 447#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 448#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; 503#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 504#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 494#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 465#L704-2 [2023-11-06 22:24:01,802 INFO L750 eck$LassoCheckResult]: Loop: 465#L704-2 assume !false; 466#L705 assume test_~splverifierCounter~0#1 < 4; 507#L706 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 420#L714 assume !(0 != test_~tmp~5#1); 422#L714-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 437#L724 assume !(0 != test_~tmp___0~1#1); 427#L724-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 428#L734 assume 0 != test_~tmp___2~0#1; 451#L740-2 assume { :begin_inline_timeShift } true; 452#L770 assume !(0 != ~pumpRunning~0); 470#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 472#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 474#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 424#L802-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 444#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 445#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 508#L109 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 482#L115-1 havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 488#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 465#L704-2 [2023-11-06 22:24:01,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:01,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-06 22:24:01,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:01,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325285899] [2023-11-06 22:24:01,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:01,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:01,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:01,833 INFO L85 PathProgramCache]: Analyzing trace with hash -313185504, now seen corresponding path program 1 times [2023-11-06 22:24:01,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:01,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816164375] [2023-11-06 22:24:01,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:01,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:01,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:01,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1988957916, now seen corresponding path program 1 times [2023-11-06 22:24:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028558228] [2023-11-06 22:24:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:02,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:02,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028558228] [2023-11-06 22:24:02,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028558228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:02,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:02,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:02,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912943995] [2023-11-06 22:24:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:02,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:02,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:24:02,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:24:02,096 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:02,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:02,234 INFO L93 Difference]: Finished difference Result 404 states and 533 transitions. [2023-11-06 22:24:02,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 533 transitions. [2023-11-06 22:24:02,250 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 294 [2023-11-06 22:24:02,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 404 states and 533 transitions. [2023-11-06 22:24:02,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 404 [2023-11-06 22:24:02,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 404 [2023-11-06 22:24:02,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 404 states and 533 transitions. [2023-11-06 22:24:02,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:02,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 404 states and 533 transitions. [2023-11-06 22:24:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states and 533 transitions. [2023-11-06 22:24:02,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 307. [2023-11-06 22:24:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.3061889250814331) internal successors, (401), 306 states have internal predecessors, (401), 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) [2023-11-06 22:24:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2023-11-06 22:24:02,315 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2023-11-06 22:24:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:24:02,317 INFO L428 stractBuchiCegarLoop]: Abstraction has 307 states and 401 transitions. [2023-11-06 22:24:02,317 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:24:02,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 401 transitions. [2023-11-06 22:24:02,320 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2023-11-06 22:24:02,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:24:02,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:24:02,322 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:02,322 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] [2023-11-06 22:24:02,322 INFO L748 eck$LassoCheckResult]: Stem: 1031#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1032#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1025#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1026#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; 1094#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 1095#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1079#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1043#L704-2 [2023-11-06 22:24:02,322 INFO L750 eck$LassoCheckResult]: Loop: 1043#L704-2 assume !false; 1044#L705 assume test_~splverifierCounter~0#1 < 4; 1104#L706 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 995#L714 assume !(0 != test_~tmp~5#1); 997#L714-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1013#L724 assume !(0 != test_~tmp___0~1#1); 1002#L724-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1003#L734 assume 0 != test_~tmp___2~0#1; 1029#L740-2 assume { :begin_inline_timeShift } true; 1030#L770 assume !(0 != ~pumpRunning~0); 1048#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1217#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1084#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 999#L802-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1066#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1201#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1200#L109 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1199#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1; 1196#L115 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1195#L115-1 havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1072#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1043#L704-2 [2023-11-06 22:24:02,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-06 22:24:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:02,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621366145] [2023-11-06 22:24:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:02,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:02,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash -322366475, now seen corresponding path program 1 times [2023-11-06 22:24:02,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:02,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246681847] [2023-11-06 22:24:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:02,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:02,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:02,397 INFO L85 PathProgramCache]: Analyzing trace with hash 129302705, now seen corresponding path program 1 times [2023-11-06 22:24:02,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:02,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324477192] [2023-11-06 22:24:02,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:02,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:02,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:24:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:03,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:24:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:24:03,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:24:03 BoogieIcfgContainer [2023-11-06 22:24:03,713 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:24:03,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:24:03,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:24:03,714 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:24:03,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:00" (3/4) ... [2023-11-06 22:24:03,716 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 22:24:03,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:24:03,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:24:03,791 INFO L158 Benchmark]: Toolchain (without parser) took 4417.88ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 129.4MB in the beginning and 88.4MB in the end (delta: 41.0MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,791 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:03,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.82ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 110.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.44ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 107.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,801 INFO L158 Benchmark]: Boogie Preprocessor took 47.49ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,802 INFO L158 Benchmark]: RCFGBuilder took 620.06ms. Allocated memory is still 161.5MB. Free memory was 105.5MB in the beginning and 86.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,802 INFO L158 Benchmark]: BuchiAutomizer took 3085.39ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 90.5MB in the end (delta: -3.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,803 INFO L158 Benchmark]: Witness Printer took 76.64ms. Allocated memory is still 203.4MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:03,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.82ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 110.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.44ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 107.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.49ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.06ms. Allocated memory is still 161.5MB. Free memory was 105.5MB in the beginning and 86.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3085.39ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 90.5MB in the end (delta: -3.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Witness Printer took 76.64ms. Allocated memory is still 203.4MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 307 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 191 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 919 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 919 mSDsluCounter, 1419 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1093 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 326 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 704]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 704]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:24:03,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6955965d-e195-425b-902f-7072e99b3fed/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)