./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu --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 2e4978c2419e4c1644022dd229f44f68c9d14c10177af084ee11ac932b0c1016 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:25,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:25,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:46:25,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:25,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:25,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:25,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:25,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:25,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:25,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:25,714 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:25,715 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:46:25,715 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:46:25,717 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:46:25,718 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:46:25,718 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:46:25,718 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:46:25,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:25,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:46:25,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:25,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:25,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:25,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:25,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:46:25,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:46:25,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:46:25,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:25,724 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:25,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:25,725 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:46:25,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:25,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:25,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:25,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:25,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:25,728 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:46:25,728 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_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4978c2419e4c1644022dd229f44f68c9d14c10177af084ee11ac932b0c1016 [2023-11-19 07:46:26,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:26,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:26,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:26,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:26,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:26,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2023-11-19 07:46:29,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:29,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:29,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2023-11-19 07:46:29,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/data/5878d4675/dc66df01870a45d0b93cc090b2afd8c5/FLAG4c2d90a9b [2023-11-19 07:46:29,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/data/5878d4675/dc66df01870a45d0b93cc090b2afd8c5 [2023-11-19 07:46:29,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:29,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:29,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:29,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:29,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:29,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:29" (1/1) ... [2023-11-19 07:46:29,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210b74c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29, skipping insertion in model container [2023-11-19 07:46:29,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:29" (1/1) ... [2023-11-19 07:46:29,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:30,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:30,176 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:30,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-11-19 07:46:30,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [91] [2023-11-19 07:46:30,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [457] [2023-11-19 07:46:30,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [634] [2023-11-19 07:46:30,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [731] [2023-11-19 07:46:30,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [797] [2023-11-19 07:46:30,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [835] [2023-11-19 07:46:30,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2023-11-19 07:46:30,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:30,290 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:30,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30 WrapperNode [2023-11-19 07:46:30,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:30,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:30,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:30,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:30,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,357 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 60, statements flattened = 418 [2023-11-19 07:46:30,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:30,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:30,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:30,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:30,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:30,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:30,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:30,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:30,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (1/1) ... [2023-11-19 07:46:30,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:30,647 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:30,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:31,200 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:31,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:31,212 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:46:31,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:31 BoogieIcfgContainer [2023-11-19 07:46:31,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:31,218 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:46:31,218 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:46:31,229 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:46:31,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:31,231 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:46:29" (1/3) ... [2023-11-19 07:46:31,233 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50fb147f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:31, skipping insertion in model container [2023-11-19 07:46:31,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:31,233 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:30" (2/3) ... [2023-11-19 07:46:31,234 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50fb147f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:31, skipping insertion in model container [2023-11-19 07:46:31,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:31,236 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:31" (3/3) ... [2023-11-19 07:46:31,238 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2023-11-19 07:46:31,301 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:46:31,301 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:46:31,302 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:46:31,302 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:46:31,302 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:46:31,302 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:46:31,302 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:46:31,302 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:46:31,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 123 states have internal predecessors, (169), 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) [2023-11-19 07:46:31,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 78 [2023-11-19 07:46:31,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:31,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:31,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,343 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:46:31,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 123 states have internal predecessors, (169), 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) [2023-11-19 07:46:31,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 78 [2023-11-19 07:46:31,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:31,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:31,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,361 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);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 89#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 61#L928true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 69#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; 102#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L743-2true [2023-11-19 07:46:31,361 INFO L750 eck$LassoCheckResult]: Loop: 68#L743-2true assume !false; 35#L744true assume test_~splverifierCounter~0#1 < 4; 75#L745true havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 124#L753true assume !(0 != test_~tmp~7#1); 85#L753-2true havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 71#L763true assume !(0 != test_~tmp___0~2#1); 80#L763-2true havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 47#L773true assume 0 != test_~tmp___2~0#1; 34#L779-2true assume { :begin_inline_timeShift } true; 33#L472true assume !(0 != ~pumpRunning~0); 39#L472-2true assume !(0 != ~systemActive~0); 66#L479-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 67#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 63#L70true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 26#L70-1true havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 57#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 68#L743-2true [2023-11-19 07:46:31,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,368 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:46:31,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007003859] [2023-11-19 07:46:31,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1953725748, now seen corresponding path program 1 times [2023-11-19 07:46:31,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444680348] [2023-11-19 07:46:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2116013131, now seen corresponding path program 1 times [2023-11-19 07:46:31,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509541311] [2023-11-19 07:46:31,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:31,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509541311] [2023-11-19 07:46:31,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509541311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:31,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:31,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:46:31,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643169097] [2023-11-19 07:46:31,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:32,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:32,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:32,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:32,063 INFO L87 Difference]: Start difference. First operand has 124 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 123 states have internal predecessors, (169), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2023-11-19 07:46:32,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:32,132 INFO L93 Difference]: Finished difference Result 118 states and 152 transitions. [2023-11-19 07:46:32,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 152 transitions. [2023-11-19 07:46:32,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-19 07:46:32,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 108 states and 142 transitions. [2023-11-19 07:46:32,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108 [2023-11-19 07:46:32,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 108 [2023-11-19 07:46:32,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 142 transitions. [2023-11-19 07:46:32,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:32,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 108 states and 142 transitions. [2023-11-19 07:46:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 142 transitions. [2023-11-19 07:46:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-19 07:46:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 107 states have internal predecessors, (142), 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) [2023-11-19 07:46:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 142 transitions. [2023-11-19 07:46:32,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 142 transitions. [2023-11-19 07:46:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:32,209 INFO L428 stractBuchiCegarLoop]: Abstraction has 108 states and 142 transitions. [2023-11-19 07:46:32,210 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:46:32,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 142 transitions. [2023-11-19 07:46:32,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-19 07:46:32,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:32,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:32,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:32,214 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] [2023-11-19 07:46:32,215 INFO L748 eck$LassoCheckResult]: Stem: 297#$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);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 298#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 288#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 356#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 333#L928 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 334#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; 339#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 328#L743-2 [2023-11-19 07:46:32,215 INFO L750 eck$LassoCheckResult]: Loop: 328#L743-2 assume !false; 307#L744 assume test_~splverifierCounter~0#1 < 4; 308#L745 havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 346#L753 assume !(0 != test_~tmp~7#1); 354#L753-2 havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 341#L763 assume !(0 != test_~tmp___0~2#1); 342#L763-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 320#L773 assume 0 != test_~tmp___2~0#1; 271#L779-2 assume { :begin_inline_timeShift } true; 304#L472 assume !(0 != ~pumpRunning~0); 305#L472-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 313#L504 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 345#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L504-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 337#L479-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 338#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 335#L70 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 295#L70-1 havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 296#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 328#L743-2 [2023-11-19 07:46:32,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:46:32,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:32,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293446719] [2023-11-19 07:46:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:32,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:32,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:32,245 INFO L85 PathProgramCache]: Analyzing trace with hash -982477139, now seen corresponding path program 1 times [2023-11-19 07:46:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:32,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132036363] [2023-11-19 07:46:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:32,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:32,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132036363] [2023-11-19 07:46:32,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132036363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:32,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:32,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:32,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877966332] [2023-11-19 07:46:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:32,310 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:32,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:32,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:32,312 INFO L87 Difference]: Start difference. First operand 108 states and 142 transitions. cyclomatic complexity: 36 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-19 07:46:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:32,370 INFO L93 Difference]: Finished difference Result 166 states and 213 transitions. [2023-11-19 07:46:32,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 213 transitions. [2023-11-19 07:46:32,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2023-11-19 07:46:32,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 213 transitions. [2023-11-19 07:46:32,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2023-11-19 07:46:32,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2023-11-19 07:46:32,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 213 transitions. [2023-11-19 07:46:32,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:32,388 INFO L218 hiAutomatonCegarLoop]: Abstraction has 166 states and 213 transitions. [2023-11-19 07:46:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 213 transitions. [2023-11-19 07:46:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-11-19 07:46:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 166 states have (on average 1.283132530120482) internal successors, (213), 165 states have internal predecessors, (213), 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) [2023-11-19 07:46:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2023-11-19 07:46:32,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 166 states and 213 transitions. [2023-11-19 07:46:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:32,415 INFO L428 stractBuchiCegarLoop]: Abstraction has 166 states and 213 transitions. [2023-11-19 07:46:32,415 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:46:32,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 213 transitions. [2023-11-19 07:46:32,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2023-11-19 07:46:32,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:32,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:32,425 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:32,427 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] [2023-11-19 07:46:32,427 INFO L748 eck$LassoCheckResult]: Stem: 579#$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);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 570#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 571#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 642#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 618#L928 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 619#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; 624#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 614#L743-2 [2023-11-19 07:46:32,428 INFO L750 eck$LassoCheckResult]: Loop: 614#L743-2 assume !false; 588#L744 assume test_~splverifierCounter~0#1 < 4; 589#L745 havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 631#L753 assume !(0 != test_~tmp~7#1); 640#L753-2 havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 626#L763 assume !(0 != test_~tmp___0~2#1); 627#L763-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 605#L773 assume 0 != test_~tmp___2~0#1; 551#L779-2 assume { :begin_inline_timeShift } true; 586#L472 assume !(0 != ~pumpRunning~0); 587#L472-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 595#L504 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret40#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 635#L721 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 555#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret40#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret40#1;havoc isHighWaterLevel_#t~ret40#1; 556#L624 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 546#L624-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 547#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret29#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret40#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret29#1;havoc processEnvironment_#t~ret29#1; 581#L508 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 552#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 553#L504-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 696#L479-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 695#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 692#L70 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 575#L70-1 havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 576#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 614#L743-2 [2023-11-19 07:46:32,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:32,429 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-19 07:46:32,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:32,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125000559] [2023-11-19 07:46:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:32,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:32,477 INFO L85 PathProgramCache]: Analyzing trace with hash 408081589, now seen corresponding path program 1 times [2023-11-19 07:46:32,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573920030] [2023-11-19 07:46:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:32,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:32,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1677531628, now seen corresponding path program 1 times [2023-11-19 07:46:32,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:32,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785026243] [2023-11-19 07:46:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:32,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:33,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:33,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:46:33 BoogieIcfgContainer [2023-11-19 07:46:33,944 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:46:33,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:46:33,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:46:33,945 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:46:33,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:31" (3/4) ... [2023-11-19 07:46:33,947 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:46:34,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:46:34,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:46:34,012 INFO L158 Benchmark]: Toolchain (without parser) took 4326.79ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 107.7MB in the beginning and 171.1MB in the end (delta: -63.4MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,012 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 62.1MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:34,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.85ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 88.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,014 INFO L158 Benchmark]: Boogie Preprocessor took 39.47ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,014 INFO L158 Benchmark]: RCFGBuilder took 818.73ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 112.8MB in the end (delta: -28.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,014 INFO L158 Benchmark]: BuchiAutomizer took 2726.30ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 112.1MB in the beginning and 90.1MB in the end (delta: 22.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,015 INFO L158 Benchmark]: Witness Printer took 66.23ms. Allocated memory is still 205.5MB. Free memory was 90.1MB in the beginning and 171.1MB in the end (delta: -81.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:34,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 62.1MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.85ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 88.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.01ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.47ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 818.73ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 112.8MB in the end (delta: -28.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2726.30ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 112.1MB in the beginning and 90.1MB in the end (delta: 22.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 66.23ms. Allocated memory is still 205.5MB. Free memory was 90.1MB in the beginning and 171.1MB in the end (delta: -81.0MB). 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [91] - GenericResultAtLocation [Line: 457]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [457] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [634] - GenericResultAtLocation [Line: 731]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [731] - GenericResultAtLocation [Line: 797]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [797] - GenericResultAtLocation [Line: 835]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [835] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] * 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 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 695 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 695 mSDsluCounter, 373 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 291 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 743]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int methAndRunningLastTime ; [L261] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L465] int pumpRunning = 0; [L466] int systemActive = 1; [L638] int waterLevel = 1; [L639] int methaneLevelCritical = 0; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L919] int retValue_acc ; [L920] int tmp ; [L924] FCALL select_helpers() [L925] FCALL select_features() [L926] CALL, EXPR valid_product() [L827] int retValue_acc ; [L830] retValue_acc = 1 [L831] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L926] RET, EXPR valid_product() [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L930] FCALL setup() [L931] CALL runTest() [L912] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET __utac_acc__Specification2_spec__1() [L913] CALL test() [L734] int splverifierCounter ; [L735] int tmp ; [L736] int tmp___0 ; [L737] int tmp___1 ; [L738] int tmp___2 ; [L741] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L743] COND TRUE 1 [L745] COND TRUE splverifierCounter < 4 [L751] tmp = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp)) [L761] tmp___0 = __VERIFIER_nondet_int() [L763] COND FALSE !(\read(tmp___0)) [L771] tmp___2 = __VERIFIER_nondet_int() [L773] COND TRUE \read(tmp___2) [L786] CALL timeShift() [L472] COND FALSE !(\read(pumpRunning)) [L479] COND TRUE \read(systemActive) [L481] CALL processEnvironment() [L501] int tmp ; [L504] COND TRUE ! pumpRunning [L506] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L718] int retValue_acc ; [L721] COND TRUE waterLevel < 2 [L722] retValue_acc = 1 [L723] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L506] RET, EXPR isHighWaterLevel() [L506] tmp = isHighWaterLevel() [L508] COND FALSE !(\read(tmp)) [L514] FCALL processEnvironment__wrappee__base() [L481] RET processEnvironment() [L487] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L487] RET __utac_acc__Specification2_spec__2() [L786] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 743]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int methAndRunningLastTime ; [L261] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L465] int pumpRunning = 0; [L466] int systemActive = 1; [L638] int waterLevel = 1; [L639] int methaneLevelCritical = 0; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L919] int retValue_acc ; [L920] int tmp ; [L924] FCALL select_helpers() [L925] FCALL select_features() [L926] CALL, EXPR valid_product() [L827] int retValue_acc ; [L830] retValue_acc = 1 [L831] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L926] RET, EXPR valid_product() [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L930] FCALL setup() [L931] CALL runTest() [L912] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET __utac_acc__Specification2_spec__1() [L913] CALL test() [L734] int splverifierCounter ; [L735] int tmp ; [L736] int tmp___0 ; [L737] int tmp___1 ; [L738] int tmp___2 ; [L741] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L743] COND TRUE 1 [L745] COND TRUE splverifierCounter < 4 [L751] tmp = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp)) [L761] tmp___0 = __VERIFIER_nondet_int() [L763] COND FALSE !(\read(tmp___0)) [L771] tmp___2 = __VERIFIER_nondet_int() [L773] COND TRUE \read(tmp___2) [L786] CALL timeShift() [L472] COND FALSE !(\read(pumpRunning)) [L479] COND TRUE \read(systemActive) [L481] CALL processEnvironment() [L501] int tmp ; [L504] COND TRUE ! pumpRunning [L506] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L718] int retValue_acc ; [L721] COND TRUE waterLevel < 2 [L722] retValue_acc = 1 [L723] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L506] RET, EXPR isHighWaterLevel() [L506] tmp = isHighWaterLevel() [L508] COND FALSE !(\read(tmp)) [L514] FCALL processEnvironment__wrappee__base() [L481] RET processEnvironment() [L487] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L677] int retValue_acc ; [L680] retValue_acc = methaneLevelCritical [L681] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L487] RET __utac_acc__Specification2_spec__2() [L786] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:46:34,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9deff0a8-0ba1-4b61-97c1-19727605baed/bin/uautomizer-verify-uCwYo4JHxu/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)