./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8 --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 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:15:31,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:15:31,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:15:31,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:15:31,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:15:31,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:15:31,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:15:31,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:15:31,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:15:31,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:15:31,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:15:31,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:15:31,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:15:31,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:15:31,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:15:31,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:15:31,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:15:31,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:15:31,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:15:31,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:15:31,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:15:31,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:15:31,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:15:31,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:15:31,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:15:31,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:15:31,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:15:31,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:15:31,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:15:31,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:15:31,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:15:31,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:15:31,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:15:31,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:15:31,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:15:31,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:15:31,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:15:31,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:15:31,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:15:31,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:15:31,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:15:31,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 17:15:31,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:15:31,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:15:31,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:15:31,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:15:31,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:15:31,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:15:31,218 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:15:31,218 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 17:15:31,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:15:31,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 17:15:31,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:15:31,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 17:15:31,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:15:31,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:15:31,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:15:31,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:15:31,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 17:15:31,223 INFO L138 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_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b [2022-12-13 17:15:31,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:15:31,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:15:31,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:15:31,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:15:31,419 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:15:31,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2022-12-13 17:15:34,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:15:34,034 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-13 17:15:34,202 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:15:34,202 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2022-12-13 17:15:34,214 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/data/b56e5cfa1/50fff1a2fcc548b89ddc878833425f25/FLAG548479a75 [2022-12-13 17:15:34,228 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/data/b56e5cfa1/50fff1a2fcc548b89ddc878833425f25 [2022-12-13 17:15:34,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:15:34,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:15:34,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:15:34,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:15:34,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:15:34,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781defcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34, skipping insertion in model container [2022-12-13 17:15:34,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:15:34,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:15:34,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c[16407,16420] [2022-12-13 17:15:34,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:15:34,477 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:15:34,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c[16407,16420] [2022-12-13 17:15:34,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:15:34,560 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:15:34,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34 WrapperNode [2022-12-13 17:15:34,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:15:34,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:15:34,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:15:34,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:15:34,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,608 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 85, statements flattened = 544 [2022-12-13 17:15:34,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:15:34,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:15:34,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:15:34,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:15:34,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,633 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:15:34,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:15:34,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:15:34,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:15:34,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (1/1) ... [2022-12-13 17:15:34,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:15:34,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:34,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:15:34,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 17:15:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:15:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:15:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:15:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:15:34,759 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:15:34,761 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:15:35,079 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:15:35,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:15:35,085 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:15:35,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:35 BoogieIcfgContainer [2022-12-13 17:15:35,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:15:35,087 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 17:15:35,087 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 17:15:35,090 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 17:15:35,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:15:35,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 05:15:34" (1/3) ... [2022-12-13 17:15:35,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d203ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:15:35, skipping insertion in model container [2022-12-13 17:15:35,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:15:35,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:34" (2/3) ... [2022-12-13 17:15:35,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d203ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:15:35, skipping insertion in model container [2022-12-13 17:15:35,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:15:35,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:35" (3/3) ... [2022-12-13 17:15:35,093 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2022-12-13 17:15:35,135 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 17:15:35,136 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 17:15:35,136 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 17:15:35,136 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 17:15:35,136 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 17:15:35,136 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 17:15:35,136 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 17:15:35,136 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 17:15:35,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 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) [2022-12-13 17:15:35,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-12-13 17:15:35,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:15:35,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:15:35,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:35,161 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] [2022-12-13 17:15:35,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 17:15:35,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 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) [2022-12-13 17:15:35,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-12-13 17:15:35,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:15:35,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:15:35,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:35,167 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] [2022-12-13 17:15:35,171 INFO L748 eck$LassoCheckResult]: Stem: 38#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 133#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 118#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 73#L885true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 98#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 146#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 108#L281-2true [2022-12-13 17:15:35,172 INFO L750 eck$LassoCheckResult]: Loop: 108#L281-2true assume !false; 7#L282true assume test_~splverifierCounter~0#1 < 4; 125#L283true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 110#L291true assume !(0 != test_~tmp~4#1); 109#L291-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 117#L301true assume !(0 != test_~tmp___0~1#1); 34#L301-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 65#L311true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 162#L319true assume 0 != test_~tmp___1~0#1; 25#L319-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 143#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 111#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 91#L72true assume !(0 != ~pumpRunning~0); 16#L72-2true assume !(0 != ~systemActive~0); 142#L79-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 84#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 24#L367true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 129#L367-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 85#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 108#L281-2true [2022-12-13 17:15:35,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 17:15:35,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307849633] [2022-12-13 17:15:35,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:35,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,293 INFO L85 PathProgramCache]: Analyzing trace with hash 831706316, now seen corresponding path program 1 times [2022-12-13 17:15:35,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171639121] [2022-12-13 17:15:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2033512637, now seen corresponding path program 1 times [2022-12-13 17:15:35,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871224144] [2022-12-13 17:15:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:35,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:35,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871224144] [2022-12-13 17:15:35,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871224144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:35,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:35,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:15:35,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824451366] [2022-12-13 17:15:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:35,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:15:35,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:15:35,657 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-12-13 17:15:35,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:35,716 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2022-12-13 17:15:35,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 201 transitions. [2022-12-13 17:15:35,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-12-13 17:15:35,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 148 states and 191 transitions. [2022-12-13 17:15:35,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2022-12-13 17:15:35,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2022-12-13 17:15:35,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 191 transitions. [2022-12-13 17:15:35,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:15:35,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-12-13 17:15:35,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 191 transitions. [2022-12-13 17:15:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-12-13 17:15:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 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) [2022-12-13 17:15:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 191 transitions. [2022-12-13 17:15:35,759 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-12-13 17:15:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:15:35,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-12-13 17:15:35,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 17:15:35,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 191 transitions. [2022-12-13 17:15:35,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-12-13 17:15:35,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:15:35,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:15:35,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:35,766 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] [2022-12-13 17:15:35,766 INFO L748 eck$LassoCheckResult]: Stem: 398#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 392#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 393#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 475#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 440#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 441#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 463#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 453#L281-2 [2022-12-13 17:15:35,767 INFO L750 eck$LassoCheckResult]: Loop: 453#L281-2 assume !false; 342#L282 assume test_~splverifierCounter~0#1 < 4; 343#L283 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 471#L291 assume !(0 != test_~tmp~4#1); 369#L291-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 470#L301 assume !(0 != test_~tmp___0~1#1); 394#L301-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 395#L311 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 432#L319 assume 0 != test_~tmp___1~0#1; 377#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 378#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 473#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 459#L72 assume !(0 != ~pumpRunning~0); 358#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 359#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 445#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 339#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 340#L104-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 450#L130-1 assume { :end_inline_processEnvironment } true; 481#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 451#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 372#L367 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 373#L367-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 452#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 453#L281-2 [2022-12-13 17:15:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,767 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 17:15:35,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579860719] [2022-12-13 17:15:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:35,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1084281418, now seen corresponding path program 1 times [2022-12-13 17:15:35,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141459473] [2022-12-13 17:15:35,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:35,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash 848136755, now seen corresponding path program 1 times [2022-12-13 17:15:35,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340706682] [2022-12-13 17:15:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:35,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:35,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340706682] [2022-12-13 17:15:35,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340706682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:35,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:35,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:15:35,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174655299] [2022-12-13 17:15:35,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:36,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:15:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:15:36,013 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-13 17:15:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:36,183 INFO L93 Difference]: Finished difference Result 712 states and 921 transitions. [2022-12-13 17:15:36,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 712 states and 921 transitions. [2022-12-13 17:15:36,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 475 [2022-12-13 17:15:36,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 712 states to 712 states and 921 transitions. [2022-12-13 17:15:36,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 712 [2022-12-13 17:15:36,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 712 [2022-12-13 17:15:36,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 712 states and 921 transitions. [2022-12-13 17:15:36,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:15:36,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 712 states and 921 transitions. [2022-12-13 17:15:36,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states and 921 transitions. [2022-12-13 17:15:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 285. [2022-12-13 17:15:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.280701754385965) internal successors, (365), 284 states have internal predecessors, (365), 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) [2022-12-13 17:15:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 365 transitions. [2022-12-13 17:15:36,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 365 transitions. [2022-12-13 17:15:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:15:36,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 285 states and 365 transitions. [2022-12-13 17:15:36,219 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 17:15:36,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 365 transitions. [2022-12-13 17:15:36,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196 [2022-12-13 17:15:36,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:15:36,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:15:36,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:36,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:36,222 INFO L748 eck$LassoCheckResult]: Stem: 1276#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1270#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1271#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1362#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 1319#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1320#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1348#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1379#L281-2 [2022-12-13 17:15:36,222 INFO L750 eck$LassoCheckResult]: Loop: 1379#L281-2 assume !false; 1452#L282 assume test_~splverifierCounter~0#1 < 4; 1366#L283 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1358#L291 assume !(0 != test_~tmp~4#1); 1247#L291-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1357#L301 assume !(0 != test_~tmp___0~1#1); 1272#L301-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1273#L311 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1312#L319 assume 0 != test_~tmp___1~0#1; 1252#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1253#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 1360#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1342#L72 assume !(0 != ~pumpRunning~0); 1236#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1237#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 1326#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1217#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1218#L104-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1331#L130-1 assume { :end_inline_processEnvironment } true; 1375#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1376#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 1250#L367 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1251#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 1341#L371 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1454#L367-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1453#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1379#L281-2 [2022-12-13 17:15:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 17:15:36,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:36,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332816887] [2022-12-13 17:15:36,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:36,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:36,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1701707195, now seen corresponding path program 1 times [2022-12-13 17:15:36,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:36,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126717607] [2022-12-13 17:15:36,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:36,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:36,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1003461650, now seen corresponding path program 1 times [2022-12-13 17:15:36,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:36,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202560407] [2022-12-13 17:15:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:36,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:15:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:36,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:15:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:15:37,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 05:15:37 BoogieIcfgContainer [2022-12-13 17:15:37,027 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 17:15:37,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:15:37,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:15:37,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:15:37,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:35" (3/4) ... [2022-12-13 17:15:37,030 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 17:15:37,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:15:37,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:15:37,063 INFO L158 Benchmark]: Toolchain (without parser) took 2831.51ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 90.3MB in the beginning and 57.2MB in the end (delta: 33.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,063 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:15:37,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.73ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 71.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 125.8MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,065 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,065 INFO L158 Benchmark]: RCFGBuilder took 447.21ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 123.5MB in the end (delta: -57.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,065 INFO L158 Benchmark]: BuchiAutomizer took 1940.17ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 60.3MB in the end (delta: 63.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,066 INFO L158 Benchmark]: Witness Printer took 34.70ms. Allocated memory is still 155.2MB. Free memory was 60.3MB in the beginning and 57.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:15:37,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.73ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 71.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 125.8MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.21ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 123.5MB in the end (delta: -57.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1940.17ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 60.3MB in the end (delta: 63.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 34.70ms. Allocated memory is still 155.2MB. Free memory was 60.3MB in the beginning and 57.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 427 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1424 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1424 mSDsluCounter, 1623 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1095 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 528 mSDtfsCounter, 134 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: 281]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L340] int switchedOnBeforeTS ; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L802] int cleanupTimeShifts = 4; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] int retValue_acc ; [L877] int tmp ; [L881] FCALL select_helpers() [L882] FCALL select_features() [L883] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] RET, EXPR valid_product() [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L887] FCALL setup() [L888] CALL runTest() [L869] CALL __utac_acc__Specification5_spec__1() [L345] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L869] RET __utac_acc__Specification5_spec__1() [L870] CALL test() [L272] int splverifierCounter ; [L273] int tmp ; [L274] int tmp___0 ; [L275] int tmp___1 ; [L276] int tmp___2 ; [L279] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L281] COND TRUE 1 [L283] COND TRUE splverifierCounter < 4 [L289] tmp = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp)) [L299] tmp___0 = __VERIFIER_nondet_int() [L301] COND FALSE !(\read(tmp___0)) [L309] tmp___2 = __VERIFIER_nondet_int() [L311] COND FALSE !(\read(tmp___2)) [L317] tmp___1 = __VERIFIER_nondet_int() [L319] COND TRUE \read(tmp___1) [L326] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L354] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L354] RET, EXPR isPumpRunning() [L354] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__methaneQuery() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__methaneQuery() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L360] int tmp ; [L361] int tmp___0 ; [L365] CALL, EXPR getWaterLevel() [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L365] RET, EXPR getWaterLevel() [L365] tmp = getWaterLevel() [L367] COND TRUE tmp != 2 [L369] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L369] RET, EXPR isPumpRunning() [L369] tmp___0 = isPumpRunning() [L371] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L326] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 281]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L340] int switchedOnBeforeTS ; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L802] int cleanupTimeShifts = 4; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] int retValue_acc ; [L877] int tmp ; [L881] FCALL select_helpers() [L882] FCALL select_features() [L883] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] RET, EXPR valid_product() [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L887] FCALL setup() [L888] CALL runTest() [L869] CALL __utac_acc__Specification5_spec__1() [L345] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L869] RET __utac_acc__Specification5_spec__1() [L870] CALL test() [L272] int splverifierCounter ; [L273] int tmp ; [L274] int tmp___0 ; [L275] int tmp___1 ; [L276] int tmp___2 ; [L279] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L281] COND TRUE 1 [L283] COND TRUE splverifierCounter < 4 [L289] tmp = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp)) [L299] tmp___0 = __VERIFIER_nondet_int() [L301] COND FALSE !(\read(tmp___0)) [L309] tmp___2 = __VERIFIER_nondet_int() [L311] COND FALSE !(\read(tmp___2)) [L317] tmp___1 = __VERIFIER_nondet_int() [L319] COND TRUE \read(tmp___1) [L326] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L354] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L354] RET, EXPR isPumpRunning() [L354] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__methaneQuery() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__methaneQuery() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L360] int tmp ; [L361] int tmp___0 ; [L365] CALL, EXPR getWaterLevel() [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L365] RET, EXPR getWaterLevel() [L365] tmp = getWaterLevel() [L367] COND TRUE tmp != 2 [L369] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L369] RET, EXPR isPumpRunning() [L369] tmp___0 = isPumpRunning() [L371] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L326] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:15:37,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08beead1-7510-4e34-8a94-a00542463b04/bin/uautomizer-uyxdKDjOR8/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)