./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD --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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad ................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:03:21,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:03:21,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:03:21,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:03:21,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:03:21,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:03:21,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:03:21,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:03:21,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:03:21,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:03:21,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:03:21,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:03:21,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:03:21,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:03:21,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:03:21,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:03:21,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:03:21,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:03:21,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:03:21,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:03:21,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:03:21,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:03:21,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:03:21,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:03:21,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:03:21,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:03:21,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:03:21,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:03:21,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:03:21,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:03:21,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:03:21,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:03:21,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:03:21,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:03:21,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:03:21,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:03:21,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:03:21,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:03:21,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:03:21,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:03:21,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:03:21,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:03:21,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:03:21,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:03:21,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:03:21,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:03:21,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:03:21,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:03:21,309 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:03:21,309 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:03:21,309 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:03:21,310 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:03:21,311 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:03:21,311 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:03:21,312 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:03:21,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:03:21,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:03:21,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:03:21,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:03:21,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:03:21,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:03:21,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:03:21,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:03:21,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:03:21,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:03:21,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:03:21,315 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:03:21,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:03:21,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:03:21,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:03:21,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:03:21,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:03:21,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:03:21,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:03:21,321 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:03:21,321 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_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2021-10-29 00:03:21,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:03:21,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:03:21,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:03:21,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:03:21,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:03:21,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2021-10-29 00:03:21,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/data/9286d935e/cc8976049b804a9181c2b8fc5e584ccc/FLAG14a7a22ee [2021-10-29 00:03:22,387 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:03:22,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2021-10-29 00:03:22,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/data/9286d935e/cc8976049b804a9181c2b8fc5e584ccc/FLAG14a7a22ee [2021-10-29 00:03:22,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/data/9286d935e/cc8976049b804a9181c2b8fc5e584ccc [2021-10-29 00:03:22,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:03:22,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:03:22,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:22,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:03:22,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:03:22,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:22" (1/1) ... [2021-10-29 00:03:22,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d82723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:22, skipping insertion in model container [2021-10-29 00:03:22,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:22" (1/1) ... [2021-10-29 00:03:22,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:03:22,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:03:22,999 WARN L228 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_71213fd8-e1a2-4851-8a23-d074a449924b/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2021-10-29 00:03:23,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:23,078 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:03:23,199 WARN L228 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_71213fd8-e1a2-4851-8a23-d074a449924b/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2021-10-29 00:03:23,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:23,265 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:03:23,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23 WrapperNode [2021-10-29 00:03:23,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:23,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:23,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:03:23,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:03:23,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:23,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:03:23,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:03:23,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:03:23,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:03:23,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:03:23,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:03:23,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:03:23,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (1/1) ... [2021-10-29 00:03:23,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:03:23,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:23,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:03:23,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:03:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:03:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:03:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:03:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:03:24,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:03:24,522 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-29 00:03:24,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:24 BoogieIcfgContainer [2021-10-29 00:03:24,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:03:24,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:03:24,526 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:03:24,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:03:24,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:03:24,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:03:22" (1/3) ... [2021-10-29 00:03:24,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3e417e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:03:24, skipping insertion in model container [2021-10-29 00:03:24,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:03:24,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:23" (2/3) ... [2021-10-29 00:03:24,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3e417e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:03:24, skipping insertion in model container [2021-10-29 00:03:24,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:03:24,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:24" (3/3) ... [2021-10-29 00:03:24,537 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2021-10-29 00:03:24,651 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:03:24,652 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:03:24,652 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:03:24,652 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:03:24,652 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:03:24,652 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:03:24,653 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:03:24,653 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:03:24,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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) [2021-10-29 00:03:24,735 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-29 00:03:24,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:03:24,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:03:24,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:03:24,748 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:24,748 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:03:24,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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) [2021-10-29 00:03:24,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-29 00:03:24,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:03:24,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:03:24,774 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:03:24,774 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:24,779 INFO L791 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 29#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 47#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 23#L83true main_#t~ret10 := valid_product_#res;main_~tmp~1 := main_#t~ret10;havoc main_#t~ret10; 80#L204true assume 0 != main_~tmp~1; 3#L180true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L99-1true [2021-10-29 00:03:24,780 INFO L793 eck$LassoCheckResult]: Loop: 34#L99-1true assume !false; 100#L886true assume test_~splverifierCounter~0 < 4; 94#L887true test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 62#L895true assume !(0 != test_~tmp~8); 74#L895-1true test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 92#L905true assume !(0 != test_~tmp___0~2); 50#L905-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 69#L915true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 53#L923-2true assume !(0 != ~pumpRunning~0); 35#L696true assume !(0 != ~systemActive~0); 15#L703true havoc __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_#t~ret9, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 101#L640-1true __utac_acc__Specification1_spec__1_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret8;havoc __utac_acc__Specification1_spec__1_#t~ret8; 81#L99true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 34#L99-1true [2021-10-29 00:03:24,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:24,787 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-29 00:03:24,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:24,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948628303] [2021-10-29 00:03:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:24,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,053 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:03:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:03:25,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2021-10-29 00:03:25,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:25,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644703086] [2021-10-29 00:03:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:25,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:25,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:25,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644703086] [2021-10-29 00:03:25,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644703086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:25,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:25,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:25,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155178565] [2021-10-29 00:03:25,346 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-29 00:03:25,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:25,370 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-29 00:03:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:25,446 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2021-10-29 00:03:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:25,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2021-10-29 00:03:25,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-29 00:03:25,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2021-10-29 00:03:25,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2021-10-29 00:03:25,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2021-10-29 00:03:25,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2021-10-29 00:03:25,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:03:25,476 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-29 00:03:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2021-10-29 00:03:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-29 00:03:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 94 states have internal predecessors, (135), 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) [2021-10-29 00:03:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2021-10-29 00:03:25,508 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-29 00:03:25,509 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-29 00:03:25,509 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:03:25,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2021-10-29 00:03:25,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-29 00:03:25,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:03:25,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:03:25,512 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:03:25,512 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:25,512 INFO L791 eck$LassoCheckResult]: Stem: 300#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 284#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 285#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 271#L83 main_#t~ret10 := valid_product_#res;main_~tmp~1 := main_#t~ret10;havoc main_#t~ret10; 272#L204 assume 0 != main_~tmp~1; 213#L180 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 214#L99-1 [2021-10-29 00:03:25,513 INFO L793 eck$LassoCheckResult]: Loop: 214#L99-1 assume !false; 297#L886 assume test_~splverifierCounter~0 < 4; 303#L887 test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 252#L895 assume !(0 != test_~tmp~8); 238#L895-1 test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 279#L905 assume !(0 != test_~tmp___0~2); 301#L905-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 268#L915 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 269#L923-2 assume !(0 != ~pumpRunning~0); 296#L696 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret57, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 223#L754 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret56, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 224#L728-1 assume !(0 != ~pumpRunning~0); 250#L703 havoc __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_#t~ret9, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 251#L640-1 __utac_acc__Specification1_spec__1_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret8;havoc __utac_acc__Specification1_spec__1_#t~ret8; 286#L99 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 214#L99-1 [2021-10-29 00:03:25,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:25,514 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-29 00:03:25,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:25,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418805872] [2021-10-29 00:03:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:25,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,581 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:03:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:03:25,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:25,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2021-10-29 00:03:25,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:25,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897559906] [2021-10-29 00:03:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:25,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,724 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:03:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:03:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:25,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2021-10-29 00:03:25,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:25,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989161012] [2021-10-29 00:03:25,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:25,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:03:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:03:25,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:34,452 WARN L207 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-29 00:05:37,356 WARN L207 SmtUtils]: Spent 30.55 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-29 00:05:37,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:05:37 BoogieIcfgContainer [2021-10-29 00:05:37,504 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:05:37,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:05:37,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:05:37,505 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:05:37,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:24" (3/4) ... [2021-10-29 00:05:37,508 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-29 00:05:37,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:05:37,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:05:37,626 INFO L168 Benchmark]: Toolchain (without parser) took 135001.47 ms. Allocated memory was 96.5 MB in the beginning and 155.2 MB in the end (delta: 58.7 MB). Free memory was 60.5 MB in the beginning and 37.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,627 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 71.4 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:37,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.94 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 91.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.48 ms. Allocated memory is still 123.7 MB. Free memory was 91.0 MB in the beginning and 87.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,629 INFO L168 Benchmark]: Boogie Preprocessor took 71.58 ms. Allocated memory is still 123.7 MB. Free memory was 87.5 MB in the beginning and 84.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,630 INFO L168 Benchmark]: RCFGBuilder took 1056.29 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 43.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,631 INFO L168 Benchmark]: BuchiAutomizer took 132977.93 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 43.5 MB in the beginning and 39.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,632 INFO L168 Benchmark]: Witness Printer took 120.75 ms. Allocated memory is still 155.2 MB. Free memory was 39.8 MB in the beginning and 37.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:37,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 71.4 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.94 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 91.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.48 ms. Allocated memory is still 123.7 MB. Free memory was 91.0 MB in the beginning and 87.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.58 ms. Allocated memory is still 123.7 MB. Free memory was 87.5 MB in the beginning and 84.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1056.29 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 43.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 132977.93 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 43.5 MB in the beginning and 39.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. * Witness Printer took 120.75 ms. Allocated memory is still 155.2 MB. Free memory was 39.8 MB in the beginning and 37.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 132.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 132.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 885]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=7602, retValue_acc=0, NULL=1, NULL=0, NULL=0, NULL=0, NULL=7604, NULL=0, NULL=0, NULL=7615, NULL=7611, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a6d7994=0, NULL=7617, NULL=0, NULL=7597, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ea1a196=0, NULL=7608, tmp=0, tmp___1=0, NULL=7598, tmp=0, NULL=0, NULL=0, tmp___0=0, NULL=7614, cleanupTimeShifts=4, NULL=7595, NULL=7603, NULL=7600, NULL=7619, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cd1fb34=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e970052=69, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17f56f52=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27a8eb89=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51bb0a2d=0, NULL=7601, NULL=7613, NULL=0, NULL=0, NULL=7594, \result=1, head=0, pumpRunning=0, NULL=7606, \result=0, NULL=7607, NULL=7609, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f0e02fc=0, NULL=0, NULL=0, NULL=7593, retValue_acc=1, tmp___2=69, tmp___0=0, NULL=7599, splverifierCounter=0, NULL=0, \result=0, NULL=7592, NULL=7610, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5481659f=0, head=0, tmp=0, NULL=7596, NULL=0, NULL=0, NULL=7618, NULL=7605, NULL=7612, NULL=7616} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L117] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; [L195] int retValue_acc ; [L196] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L876] int splverifierCounter ; [L877] int tmp ; [L878] int tmp___0 ; [L879] int tmp___1 ; [L880] int tmp___2 ; [L883] splverifierCounter = 0 Loop: [L885] COND TRUE 1 [L887] COND TRUE splverifierCounter < 4 [L893] tmp = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp)) [L903] tmp___0 = __VERIFIER_nondet_int() [L905] COND FALSE !(\read(tmp___0)) [L913] tmp___2 = __VERIFIER_nondet_int() [L915] COND TRUE \read(tmp___2) [L870] systemActive = 1 [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L92] int tmp ; [L93] int tmp___0 ; [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 00:05:37,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71213fd8-e1a2-4851-8a23-d074a449924b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...